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@article{::NISTDigitalLibrary,
title = {{{NIST}} Digital Library of Mathematical Functions},
url = {http://dlmf.nist.gov/, Release 1.0.27 of 2020-06-15},
key = {DLMF}
}
@article{Abel:2003:FlavourChangingNeutral,
title = {Flavour {{Changing Neutral Currents}} in {{Intersecting Brane Models}}},
author = {Abel, Steven A. and Masip, Manuel and Santiago, Jose},
date = {2003-04-30},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energy Phys.},
volume = {2003},
pages = {057--057},
issn = {1029-8479},
doi = {10.1088/1126-6708/2003/04/057},
abstract = {Intersecting D-brane models provide an attractive explanation of family replication in the context of string theory. We show, however, that the localization of fermion families at different brane intersections in the extra dimensions introduces flavour changing neutral currents mediated by the Kaluza-Klein excitations of the gauge fields. This is a generic feature in these models, and it implies stringent bounds on the mass of the lightest Kaluza-Klein modes (becoming severe when the compactification radii are larger than the string length). We present the full string calculation of four-fermion interactions in models with intersecting D-branes, recovering the field theory result. This reveals other stringy sources of flavour violation, which give bounds that are complementary to the KK bounds (i.e. they become severe when the compactification radii are comparable to the string length). Taken together these bounds imply that the string scale is larger than \$M\_s\textbackslash gtrsim 10\^2\$ TeV, implying that non-supersymmetric cases are phenomenologically disfavoured.},
archivePrefix = {arXiv},
eprint = {hep-ph/0303087},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/abel_et_al_2003_flavour_changing_neutral_currents_in_intersecting_brane_models.pdf},
number = {04}
}
@article{Abel:2005:OneloopYukawasIntersecting,
title = {One-Loop {{Yukawas}} on {{Intersecting Branes}}},
author = {Abel, Steven A. and Schofield, Ben W.},
date = {2005-06-28},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energy Phys.},
volume = {2005},
pages = {072--072},
issn = {1029-8479},
doi = {10.1088/1126-6708/2005/06/072},
abstract = {We calculate Yukawa interactions at one-loop on intersecting D6 branes. We demonstrate the non-renormalization theorem in supersymmetric configurations, and show how Yukawa beta functions may be extracted. In addition to the usual logarithmic running, we find the power-law dependence on the infra-red cut-off associated with Kaluza-Klein modes. Our results may also be used to evaluate coupling renormalization in non-supersymmetric cases.},
archivePrefix = {arXiv},
eprint = {hep-th/0412206},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/abel_schofield_2005_one-loop_yukawas_on_intersecting_branes5.pdf},
number = {06}
}
@article{Abel:2007:RealisticYukawaCouplings,
title = {Realistic {{Yukawa Couplings}} through {{Instantons}} in {{Intersecting Brane Worlds}}},
author = {Abel, Steven A. and Goodsell, Mark D.},
date = {2007-10-05},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energy Phys.},
volume = {2007},
pages = {034--034},
issn = {1029-8479},
doi = {20071006031312},
abstract = {The Yukawa couplings of the simpler models of D-branes on toroidal orientifolds suffer from the so-called ``rank one'' problem -- there is only a single non-zero mass and no mixing. We consider the one-loop contribution of E2-instantons to Yukawa couplings on intersecting D6-branes, and show that they can solve the rank one problem. In addition they have the potential to provide a geometric explanation for the hierarchies observed in the Yukawa coupling. In order to do this we provide the necessary quantities for instanton calculus in this class of background.},
archivePrefix = {arXiv},
eprint = {hep-th/0612110},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/abel_goodsell_2007_realistic_yukawa_couplings_through_instantons_in_intersecting_brane_worlds8.pdf},
number = {10}
}
@article{Aldazabal:2000:DBranesSingularitiesBottomUp,
title = {D-{{Branes}} at {{Singularities}} : {{A Bottom}}-{{Up Approach}} to the {{String Embedding}} of the {{Standard Model}}},
shorttitle = {D-{{Branes}} at {{Singularities}}},
author = {Aldazabal, Gerardo and Ibanez, Luis E. and Quevedo, Fernando and Uranga, Angel M.},
date = {2000-08-01},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energy Phys.},
volume = {2000},
pages = {002--002},
issn = {1029-8479},
doi = {10.1088/1126-6708/2000/08/002},
abstract = {We propose a bottom-up approach to the building of particle physics models from string theory. Our building blocks are Type II D-branes which we combine appropriately to reproduce desirable features of a particle theory model: 1) Chirality ; 2) Standard Model group ; 3) N=1 or N=0 supersymmetry ; 4) Three quark-lepton generations. We start such a program by studying configurations of D=10, Type IIB D3-branes located at singularities. We study in detail the case of Z\_N, N=1,0 orbifold singularities leading to the SM group or some left-right symmetricextension. In general, tadpole cancellation conditions require the presence of additional branes, e.g. D7-branes. For the N=1 supersymmetric case the unique twist leading to three quark-lepton generations is Z\_3, predicting \$\textbackslash sin\^2\textbackslash theta\_W=3/14=0.21\$. The models obtained are the simplest semirealistic string models ever built. In the non-supersymmetric case there is a three-generation model for each Z\_N, N{$>$}4, but the Weinberg angle is in general too small. One can obtain a large class of D=4 compact models by considering the above structure embedded into a Calabi Yau compactification. We explicitly construct examples of such compact models using Z\_3 toroidal orbifolds and orientifolds, and discuss their properties. In these examples, global cancellation of RR charge may be achieved by adding anti-branes stuck at the fixed points, leading to models with hidden sector gravity-induced supersymmetry breaking. More general frameworks, like F-theory compactifications, allow completely \$\textbackslash NN=1\$ supersymmetric embeddings of our local structures, as we show in an explicit example.},
archivePrefix = {arXiv},
eprint = {hep-th/0005067},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/aldazabal_et_al_2000_d-branes_at_singularities.pdf},
number = {08}
}
@article{Anastasopoulos:2011:ClosedstringTwistfieldCorrelators,
title = {On Closed-String Twist-Field Correlators and Their Open-String Descendants},
author = {Anastasopoulos, Pascal and Bianchi, Massimo and Richter, Robert},
date = {2011-10-24},
abstract = {In a recent paper we have proposed the possibility that the lightest massive string states could be identified with open strings living at intersections of D-branes forming small angles. In this note, we reconsider the relevant twist-field correlation functions and perform the analysis of the sub-dominant physical poles in the various channels. Our derivation is new in that it is based on the algebraic procedure for the construction of open string models starting from their closed-string `parents' rather than on the stress-tensor method. We also indicate possible generalizations and diverse applications of our approach.},
archivePrefix = {arXiv},
eprint = {1110.5359},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/anastasopoulos_et_al_2011_on_closed-string_twist-field_correlators_and_their_open-string_descendants5.pdf},
keywords = {⛔ No DOI found}
}
@article{Anastasopoulos:2012:LightStringyStates,
title = {Light Stringy States},
author = {Anastasopoulos, Pascal and Bianchi, Massimo and Richter, Robert},
date = {2012-03},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energ. Phys.},
volume = {2012},
pages = {68},
issn = {1029-8479},
doi = {10.1007/JHEP03(2012)068},
abstract = {We carefully study the spectrum of open strings localized at the intersections of D6-branes and identify the lowest massive 'twisted' states and their vertex operators, paying particular attention to the signs of the intersection angles. We argue that the masses of the lightest states scale as M\^2 \textasciitilde{} \textbackslash theta M\^2\_s and can thus be parametrically smaller than the string scale. Relying on previous analyses, we compute scattering amplitudes of massless 'twisted' open strings and study their factorization, confirming the presence of the light massive states as sub-dominant poles in one of the channels.},
archivePrefix = {arXiv},
eprint = {1110.5424},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/anastasopoulos_et_al_2012_light_stringy_states5.pdf},
number = {3}
}
@article{Anastasopoulos:2013:ThreeFourpointCorrelators,
title = {Three- and {{Four}}-Point Correlators of Excited Bosonic Twist Fields},
author = {Anastasopoulos, Pascal and Goodsell, Mark D. and Richter, Robert},
date = {2013-10},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energ. Phys.},
volume = {2013},
pages = {182},
issn = {1029-8479},
doi = {10.1007/JHEP10(2013)182},
abstract = {We compute three- and four-point correlation functions containing excited bosonic twist fields. Our results can be used to determine properties, such as lifetimes and production rates, of massive string excitations localised at D-brane intersections, which could be signatures of a low string scale even if the usual string resonances are inaccessible to the LHC.},
archivePrefix = {arXiv},
eprint = {1305.7166},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/anastasopoulos_et_al_2013_three-_and_four-point_correlators_of_excited_bosonic_twist_fields9.pdf},
number = {10}
}
@article{Anderson:2018:TASILecturesGeometric,
title = {{{TASI Lectures}} on {{Geometric Tools}} for {{String Compactifications}}},
author = {Anderson, Lara B. and Karkheiran, Mohsen},
date = {2018-04},
abstract = {In this work we provide a self-contained and modern introduction to some of the tools, obstacles and open questions arising in string compactifications. Techniques and current progress are illustrated in the context of smooth heterotic string compactifications to 4-dimensions. Progress is described on bounding and enumerating possible string backgrounds and their properties. We provide an overview of constructions, partial classifications, and moduli problems associated to Calabi-Yau manifolds and holomorphic bundles over them.},
archivePrefix = {arXiv},
eprint = {1804.08792},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/anderson_karkheiran_2018_tasi_lectures_on_geometric_tools_for_string_compactifications.pdf}
}
@article{Angelantonj:2000:TypeIStringsMagnetised,
title = {Type-{{I}} Strings on Magnetised Orbifolds and Brane Transmutation},
author = {Angelantonj, Carlo and Antoniadis, Ignatios and Dudas, Emilian and Sagnotti, Augusto},
date = {2000-09},
journaltitle = {Physics Letters B},
shortjournal = {Physics Letters B},
volume = {489},
pages = {223--232},
issn = {03702693},
doi = {10.1016/S0370-2693(00)00907-2},
abstract = {In the presence of internal magnetic fields, a D9 brane can acquire a D5 (or anti-D5) R-R charge, and can therefore contribute to the corresponding tadpole. In the resulting vacua, supersymmetry is generically broken and tachyonic instabilities are present. However, suitable choices for the magnetic fields, corresponding to self-dual configurations in the internal space, can yield new chiral supersymmetric vacua with gauge groups of reduced rank, where the magnetic energy saturates, partly or fully, the negative tension of the O5+ planes. These models contain Green-Schwarz couplings to untwisted R-R forms not present in conventional orientifolds.},
archivePrefix = {arXiv},
eprint = {hep-th/0007090},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/angelantonj_et_al_2000_type-i_strings_on_magnetised_orbifolds_and_brane_transmutation.pdf},
number = {1-2}
}
@article{Angelantonj:2002:OpenStrings,
title = {Open {{Strings}}},
author = {Angelantonj, Carlo and Sagnotti, Augusto},
date = {2002-04},
doi = {10.1016/s0370-1573(02)00273-9},
abstract = {This review is devoted to open strings, and in particular to the often surprising features of their spectra. It follows and summarizes developments that took place mainly at the University of Rome “Tor Vergata” over the last decade, and centred on world-sheet aspects of the constructions now commonly referred to as “orientifolds”. Our presentation aims to bridge the gap between the world-sheet analysis, that first exhibited many of the novel features of these systems, and their geometric description in terms of extended objects, D-branes and O-planes, contributed by many other colleagues, and most notably by J. Polchinski. We therefore proceed through a number of prototype examples, starting from the bosonic string and moving on to ten-dimensional fermionic strings and their toroidal and orbifold compactifications, in an attempt to guide the reader in a self-contained journey to the more recent developments related to the breaking of supersymmetry.},
archivePrefix = {arXiv},
eprint = {hep-th/0204089},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/angelantonj_sagnotti_2002_open_strings.pdf}
}
@article{Berkooz:1996:BranesIntersectingAngles,
title = {Branes {{Intersecting}} at {{Angles}}},
author = {Berkooz, Micha and Douglas, Michael R. and Leigh, Robert G.},
date = {1996-11},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {480},
pages = {265--278},
issn = {05503213},
doi = {10.1016/S0550-3213(96)00452-X},
abstract = {We show that configurations of multiple D-branes related by SU(N) rotations will preserve unbroken supersymmetry. This includes cases in which two D-branes are related by a rotation of arbitrarily small angle, and we discuss some of the physics of this. In particular, we discuss a way of obtaining 4D chiral fermions on the intersection of D-branes. We also rephrase the condition for unbroken supersymmety as the condition that a `generalized holonomy group' associated with the brane configuration and manifold is reduced, and relate this condition (in Type IIA string theory) to a condition in eleven dimensions.},
archivePrefix = {arXiv},
eprint = {hep-th/9606139},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/berkooz_et_al_1996_branes_intersecting_at_angles5.pdf},
number = {1-2}
}
@article{Berkooz:2004:ClosedStringsMisner,
title = {Closed {{Strings}} in {{Misner Space}}: {{Stringy Fuzziness}} with a {{Twist}}},
shorttitle = {Closed {{Strings}} in {{Misner Space}}},
author = {Berkooz, Micha and Durin, Bruno and Pioline, Boris and Reichmann, Dori},
date = {2004-10-02},
journaltitle = {Journal of Cosmology and Astroparticle Physics},
shortjournal = {J. Cosmol. Astropart. Phys.},
volume = {2004},
pages = {002--002},
issn = {1475-7516},
doi = {20041012031301},
abstract = {Misner space, also known as the Lorentzian orbifold \$R\^\{1,1\}/boost\$, is the simplest tree-level solution of string theory with a cosmological singularity. We compute tree-level scattering amplitudes involving twisted states, using operator and current algebra techniques. We find that, due to zero-point quantum fluctuations of the excited modes, twisted strings with a large winding number \$w\$ are fuzzy on a scale \$\textbackslash sqrt\{\textbackslash log w\}\$, which can be much larger than the string scale. Wave functions are smeared by an operator \$\textbackslash exp(\textbackslash Delta(\textbackslash nu) \textbackslash partial\_+ \textbackslash partial\_-)\$ reminiscent of the Moyal-product of non-commutative geometry, which, since \$\textbackslash Delta(\textbackslash nu)\$ is real, modulates the amplitude rather than the phase of the wave function, and is purely gravitational in its origin. We compute the scattering amplitude of two twisted states and one tachyon or graviton, and find a finite result. The scattering amplitude of two twisted and two untwisted states is found to diverge, due to the propagation of intermediate winding strings with vanishing boost momentum. The scattering amplitude of three twisted fields is computed by analytic continuation from three-point amplitudes of states with non-zero \$p\^+\$ in the Nappi-Witten plane wave, and the non-locality of the three-point vertex is found to diverge for certain kinematical configurations. Our results for the three-point amplitudes allow in principle to compute, to leading order, the back-reaction on the metric due to a condensation of coherent winding strings.},
archivePrefix = {arXiv},
eprint = {hep-th/0407216},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/berkooz_et_al_2004_closed_strings_in_misner_space8.pdf},
number = {10}
}
@article{Bertolini:2006:BraneWorldEffective,
title = {Brane World Effective Actions for {{D}}-Branes with Fluxes},
author = {Bertolini, Matteo and Billo, Marco and Lerda, Alberto and Morales, Jose F. and Russo, Rodolfo},
date = {2006-05},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {743},
pages = {1--40},
issn = {05503213},
doi = {10.1016/j.nuclphysb.2006.02.044},
abstract = {We develop systematic string techniques to study brane world effective actions for models with magnetized (or equivalently intersecting) D-branes. In particular, we derive the dependence on all NS-NS moduli of the kinetic terms of the chiral matter in a generic non-supersymmetric brane configurations with non-commuting open string fluxes. Near a N=1 supersymmetric point the effective action is consistent with a Fayet-Iliopoulos supersymmetry breaking and the normalization of the scalar kinetic terms is nothing else than the Kahler metric. We also discuss, from a stringy perspective, D and F term breaking mechanisms, and how, in this generic set up, the Kahler metric enters in the physical Yukawa couplings.},
archivePrefix = {arXiv},
eprint = {hep-th/0512067},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/bertolini_et_al_2006_brane_world_effective_actions_for_d-branes_with_fluxes5.pdf},
number = {1-2}
}
@article{Bianchi:2005:OpenStoryMagnetic,
title = {The Open Story of the Magnetic Fluxes},
author = {Bianchi, Massimo and Trevigne, Elisa},
date = {2005-08-09},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energy Phys.},
volume = {2005},
pages = {034--034},
issn = {1029-8479},
doi = {10.1088/1126-6708/2005/08/034},
abstract = {We discuss the effects of oblique internal magnetic fields on the spectrum of type I superstrings compactified on tori. In particular we derive general formulae for the magnetic shifts and multiplicities of open strings connecting D9-branes with arbitrary magnetic fluxes. We discuss the flux induced potential and offer an interpretation of the stabilization of R-R moduli associated to deformations of the complex structure of T\^6 in terms of non-derivative mixing with NS-NS moduli. Finally we briefly comment on how to extract other low energy couplings and generalize our results to toroidal orbifolds and other configurations governed by rational conformal field theories on the worldsheet.},
archivePrefix = {arXiv},
eprint = {hep-th/0502147},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/bianchi_trevigne_2005_the_open_story_of_the_magnetic_fluxes5.pdf},
number = {08}
}
@article{Blumenhagen:2007:FourdimensionalStringCompactifications,
title = {Four-Dimensional String Compactifications with {{D}}-Branes, Orientifolds and Fluxes},
author = {Blumenhagen, Ralph and Körs, Boris and Lüst, Dieter and Stieberger, Stephan},
date = {2007-07},
journaltitle = {Physics Reports},
volume = {445},
pages = {1--193},
issn = {03701573},
doi = {10.1016/j.physrep.2007.04.003},
abstract = {This review article provides a pedagogical introduction into various classes of chiral string compactifications to four dimensions with D-branes and fluxes. The main concern is to provide all necessary technical tools to explicitly construct four-dimensional orientifold vacua, with the final aim to come as close as possible to the supersymmetric Standard Model. Furthermore, we outline the available methods to derive the resulting four-dimensional effective action. Finally, we summarize recent attempts to address the string vacuum problem via the statistical approach to D-brane models.},
archivePrefix = {arXiv},
eprint = {hep-th/0610327},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/blumenhagen_et_al_2007_four-dimensional_string_compactifications_with_d-branes,_orientifolds_and_fluxes.pdf},
number = {1-6}
}
@book{Blumenhagen:2009:IntroductionConformalField,
title = {Introduction to {{Conformal Field Theory}}},
author = {Blumenhagen, Ralph and Plauschinn, Erik},
date = {2009},
volume = {779},
publisher = {{Springer Berlin Heidelberg}},
location = {{Berlin, Heidelberg}},
doi = {10.1007/978-3-642-00450-6},
file = {/home/riccardo/.local/share/zotero/files/blumenhagen_plauschinn_2009_introduction_to_conformal_field_theory.pdf},
isbn = {978-3-642-00449-0 978-3-642-00450-6},
langid = {english},
series = {Lecture {{Notes}} in {{Physics}}}
}
@book{Blumenhagen:2013:BasicConceptsString,
title = {Basic {{Concepts}} of {{String Theory}}},
author = {Blumenhagen, Ralph and Lüst, Dieter and Theisen, Stefan},
date = {2013},
publisher = {{Springer Berlin Heidelberg}},
location = {{Berlin, Heidelberg}},
doi = {10.1007/978-3-642-29497-6},
file = {/home/riccardo/.local/share/zotero/files/blumenhagen_et_al_2013_basic_concepts_of_string_theory.pdf},
isbn = {978-3-642-29496-9 978-3-642-29497-6},
langid = {english},
series = {Theoretical and {{Mathematical Physics}}}
}
@article{Bousso:2000:QuantizationFourformFluxes,
title = {Quantization of {{Four}}-Form {{Fluxes}} and {{Dynamical Neutralization}} of the {{Cosmological Constant}}},
author = {Bousso, Raphael and Polchinski, Joseph},
date = {2000-06-04},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energy Phys.},
volume = {2000},
pages = {006--006},
issn = {1029-8479},
doi = {10.1088/1126-6708/2000/06/006},
abstract = {A four-form gauge flux makes a variable contribution to the cosmological constant. This has often been assumed to take continuous values, but we argue that it has a generalized Dirac quantization condition. For a single flux the steps are much larger than the observational limit, but we show that with multiple fluxes the allowed values can form a sufficiently dense `discretuum'. Multiple fluxes generally arise in M theory compactifications on manifolds with non-trivial three-cycles. In theories with large extra dimensions a few four-forms suffice; otherwise of order 100 are needed. Starting from generic initial conditions, the repeated nucleation of membranes dynamically generates regions with a cosmological constant in the observational range. Entropy and density perturbations can be produced.},
archivePrefix = {arXiv},
eprint = {hep-th/0004134},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/bousso_polchinski_2000_quantization_of_four-form_fluxes_and_dynamical_neutralization_of_the.pdf},
number = {06}
}
@article{Brown:1988:NeutralizationCosmologicalConstant,
title = {Neutralization of the Cosmological Constant by Membrane Creation},
author = {Brown, David J. and Teitelboim, Claudio},
date = {1988-02},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {297},
pages = {787--836},
issn = {05503213},
doi = {10.1016/0550-3213(88)90559-7},
annotation = {http://web.archive.org/web/20200904101758/https://linkinghub.elsevier.com/retrieve/pii/0550321388905597},
file = {/home/riccardo/.local/share/zotero/files/brown_teitelboim_1988_neutralization_of_the_cosmological_constant_by_membrane_creation.pdf},
keywords = {archived},
langid = {english},
number = {4}
}
@article{Burwick:1991:GeneralYukawaCouplings,
title = {General {{Yukawa}} Couplings of Strings on Orbifolds},
author = {Burwick, Thomas T. and Kaiser, Ralf K. and Müller, H. F.},
date = {1991-05},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {355},
pages = {689--711},
issn = {05503213},
doi = {10.1016/0550-3213(91)90491-F},
annotation = {http://web.archive.org/web/20200909161147/https://linkinghub.elsevier.com/retrieve/pii/055032139190491F},
file = {/home/riccardo/.local/share/zotero/files/burwick_et_al_1991_general_yukawa_couplings_of_strings_on_orbifolds.pdf},
keywords = {archived},
langid = {english},
number = {3}
}
@inproceedings{Calabi:1957:KahlerManifoldsVanishing,
title = {On {{Kähler}} Manifolds with Vanishing Canonical Class},
booktitle = {Algebraic Geometry and Topology. {{A}} Symposium in Honor of {{S}}. {{Lefschetz}}},
author = {Calabi, Eugenio},
date = {1957},
volume = {12},
pages = {78--89},
doi = {10.1515/9781400879915-006},
file = {/home/riccardo/.local/share/zotero/files/calabi_1957_on_kähler_manifolds_with_vanishing_canonical_class.pdf}
}
@article{Candelas:1985:VacuumConfigurationsSuperstrings,
title = {Vacuum Configurations for Superstrings},
author = {Candelas, Philip and Horowitz, Gary T. and Strominger, Andrew and Witten, Edward},
date = {1985-01},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {258},
pages = {46--74},
issn = {05503213},
doi = {10.1016/0550-3213(85)90602-9},
abstract = {We study candidate vacuum configurations in ten-dimensional O(32) and E8 × E8 supergravity and superstring theory that have unbroken N = 1 supersymmetry in four dimensions. This condition permits only a few possibilities, all of which have vanishing cosmological constant. In the E8 × E8 case, one of these possibilities leads to a model that in four dimensions has an E6 gauge group with four standard generations of fermions.},
file = {/home/riccardo/.local/share/zotero/files/candelas_et_al_1985_vacuum_configurations_for_superstrings.pdf},
keywords = {archived},
langid = {english}
}
@article{Chamoun:2004:FermionMassesMixing,
title = {Fermion Masses and Mixing in Intersecting Brane Scenarios},
author = {Chamoun, Nidal and Khalil, Shaaban and Lashin, Elsayed},
date = {2004-05-26},
journaltitle = {Physical Review D},
shortjournal = {Phys. Rev. D},
volume = {69},
pages = {095011},
issn = {1550-7998, 1550-2368},
doi = {10.1103/PhysRevD.69.095011},
archivePrefix = {arXiv},
eprint = {hep-ph/0309169},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/chamoun_et_al_2004_fermion_masses_and_mixing_in_intersecting_brane_scenarios.pdf},
keywords = {archived},
langid = {english},
number = {9}
}
@article{Chen:2008:RealisticWorldIntersecting,
title = {A {{Realistic World}} from {{Intersecting D6}}-{{Branes}}},
author = {Chen, Ching-Ming and Li, Tianjun and Mayes, van Eric and Nanopoulos, Dimitri V.},
date = {2008-07},
journaltitle = {Physics Letters B},
shortjournal = {Physics Letters B},
volume = {665},
pages = {267--270},
issn = {03702693},
doi = {10.1016/j.physletb.2008.06.024},
abstract = {We briefly describe a three-family intersecting D6-brane model in Type IIA theory on the T\^6/(Z\_2 x Z\_2) orientifold with a realistic phenomenology. In this model, the gauge symmetry can be broken down to the Standard Model (SM) gauge symmetry close to the string scale, and the gauge coupling unification can be achieved. We calculate the supersymmetry breaking soft terms, and the corresponding low energy supersymmetric particle spectrum, which may be tested at the Large Hadron Collider (LHC). The observed dark matter density may also be generated. Finally, we can explain the SM quark masses and CKM mixings, and the tau lepton mass. The neutrino masses and mixings may be generated via the seesaw mechanism as well.},
archivePrefix = {arXiv},
eprint = {hep-th/0703280},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/chen_et_al_2008_a_realistic_world_from_intersecting_d6-branes.pdf},
number = {4}
}
@article{Chen:2008:RealisticYukawaTextures,
title = {Realistic {{Yukawa Textures}} and {{SUSY Spectra}} from {{Intersecting Branes}}},
author = {Chen, Ching-Ming and Li, Tianjun and Mayes, van Eric and Nanopoulos, Dimitri V.},
date = {2008-06-20},
journaltitle = {Physical Review D},
shortjournal = {Phys. Rev. D},
volume = {77},
pages = {125023},
issn = {1550-7998, 1550-2368},
doi = {10.1103/PhysRevD.77.125023},
abstract = {We study the possible phenomenology of a three-family Pati-Salam model constructed from intersecting D6-branes in Type IIA string theory on the T\^6/(Z2 x Z2) orientifold with some desirable semi-realistic features. In the model, tree-level gauge coupling unification is achieved automatically at the string scale, and the gauge symmetry may be broken to the Standard Model (SM) close to the string scale. The small number of extra chiral exotic states in the model may be decoupled via the Higgs mechanism and strong dynamics. We calculate the possible supersymmetry breaking soft terms and the corresponding low-energy supersymmetric particle spectra which may potentially be tested at the Large Hadron Collider (LHC). We find that for the viable regions of the parameter space the lightest CP-even Higgs boson mass usually satisfies m\_H {$<$} 120 GeV, and the observed dark matter density may be generated. Finally, we find that it is possible to obtain correct SM quark masses and mixings, and the tau lepton mass at the unification scale. Additionally, neutrino masses and mixings may be generated via the seesaw mechanism. Mechanisms to stabilize the open and closed-string moduli, which are necessary for the model to be truly viable and to make definite predictions are discussed.},
archivePrefix = {arXiv},
eprint = {0711.0396},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/chen_et_al_2008_realistic_yukawa_textures_and_susy_spectra_from_intersecting_branes.pdf},
number = {12}
}
@article{Cleaver:2007:SearchMinimalSupersymmetric,
title = {In {{Search}} of the ({{Minimal Supersymmetric}}) {{Standard Model String}}},
author = {Cleaver, Gerald B.},
date = {2007-03},
abstract = {This paper summarizes several developments in string-derived (Minimal Supersymmetric) Standard Models. Part one reviews the first string model containing solely the three generations of the Minimal Supersymmetric Standard Model and a single pair of Higgs as the matter in the observable sector of the low energy effective field theory. This model was constructed by Cleaver, Faraggi, and Nanopoulos in the Z\_2 x Z\_2 free fermionic formulation of weak coupled heterotic strings. Part two examines a representative collection of string/brane-derived MSSMs that followed. These additional models were obtained from various construction methods, including weak coupled Z\_6 heterotic orbifolds, strong coupled heterotic on elliptically fibered Calabi-Yau's, Type IIB orientifolds with magnetic charged branes, and Type IIA orientifolds with intersecting branes (duals of the Type IIB). Phenomenology of the models is compared. To appear in String Theory Research Progress, Ferenc N. Balogh, editor., (ISBN 978-1-60456-075-6), Nova Science Publishers, Inc.\vphantom\{\}},
archivePrefix = {arXiv},
eprint = {hep-ph/0703027},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/cleaver_2007_in_search_of_the_(minimal_supersymmetric)_standard_model_string.pdf}
}
@article{Cremades:2003:YukawaCouplingsIntersecting,
title = {Yukawa Couplings in Intersecting {{D}}-Brane Models},
author = {Cremades, Daniel and Ibanez, Luis E. and Marchesano, Fernando},
date = {2003-07-16},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energy Phys.},
volume = {2003},
pages = {038--038},
issn = {1029-8479},
doi = {10.1088/1126-6708/2003/07/038},
abstract = {We compute the Yukawa couplings among chiral fields in toroidal Type II compactifications with wrapping D6-branes intersecting at angles. Those models can yield realistic standard model spectrum living at the intersections. The Yukawa couplings depend both on the Kahler and open string moduli but not on the complex structure. They arise from worldsheet instanton corrections and are found to be given by products of complex Jacobi theta functions with characteristics. The Yukawa couplings for a particular intersecting brane configuration yielding the chiral spectrum of the MSSM are computed as an example. We also show how our methods can be extended to compute Yukawa couplings on certain classes of elliptically fibered CY manifolds which are mirror to complex cones over del Pezzo surfaces. We find that the Yukawa couplings in intersecting D6-brane models have a mathematical interpretation in the context of homological mirror symmetry. In particular, the computation of such Yukawa couplings is related to the construction of Fukaya's category in a generic symplectic manifold.},
archivePrefix = {arXiv},
eprint = {hep-th/0302105},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/cremades_et_al_2003_yukawa_couplings_in_intersecting_d-brane_models5.pdf},
number = {07}
}
@article{Cvetic:2010:BranesInstantonsIntersecting,
title = {Branes and Instantons Intersecting at Angles},
author = {Cvetič, Mirjam and García-Etxebarria, Iñaki and Richter, Robert},
date = {2010-01},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energ. Phys.},
volume = {2010},
pages = {5},
issn = {1029-8479},
doi = {10.1007/JHEP01(2010)005},
abstract = {We study in detail the system of D6 branes and euclidean D2-brane instantons intersecting at angles in type IIA string theory. We find that in the absence of orientifolds the system does not contribute to the low energy superpotential, in agreement with expectations based on effective field theory arguments. We also comment on the implications of our results for dual string theory pictures.},
archivePrefix = {arXiv},
eprint = {0905.1694},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/cvetič_et_al_2010_branes_and_instantons_intersecting_at_angles.pdf},
number = {1}
}
@article{DAppollonio:2003:StringInteractionsGravitational,
title = {String Interactions in Gravitational Wave Backgrounds},
author = {D'Appollonio, Giuseppe and Kiritsis, Elias},
date = {2003-12},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {674},
pages = {80--170},
issn = {05503213},
doi = {10.1016/j.nuclphysb.2003.09.020},
abstract = {The non-compact CFT of a class of NS-supported pp-wave backgrounds is solved exactly. The associated tree-level covariant string scattering amplitudes are calculated. The S-matrix elements are well-defined, dual but not analytic as a function of \$p\^+\$. They have poles corresponding to physical intermediate states with \$p\^+\textbackslash not =0\$ and logarithmic branch cuts due to on-shell exchange of spectral-flow images of \$p\^+=0\$ states. When \$\textbackslash mu\textbackslash to 0\$ a smooth flat space limit is obtained. The \$\textbackslash mu\textbackslash to\textbackslash infty\$ limit, unlike the case of RR-supported pp-waves, gives again a flat space theory.},
archivePrefix = {arXiv},
eprint = {hep-th/0305081},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/d'appollonio_kiritsis_2003_string_interactions_in_gravitational_wave_backgrounds5.pdf},
number = {1-2}
}
@article{DAppollonio:2005:DbranesBCFTHppwave,
title = {D-Branes and {{BCFT}} in {{Hpp}}-Wave Backgrounds},
author = {D'Appollonio, Giuseppe and Kiritsis, Elias},
date = {2005-04},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {712},
pages = {433--512},
issn = {05503213},
doi = {10.1016/j.nuclphysb.2005.01.020},
abstract = {In this paper we study two classes of symmetric D-branes in the Nappi-Witten gravitational wave, namely D2 and \$S 1\$ branes. We solve the sewing constraints and determine the bulk-boundary couplings and the boundary three-point couplings. For the D2 brane our solution gives the first explicit results for the structure constants of the twisted symmetric branes in a WZW model. We also compute the boundary four-point functions, providing examples of open string four-point amplitudes in a curved background. We finally discuss the annulus amplitudes, the relation with branes in \$AdS\_3\$ and in \$S\^3\$ and the analogy between the open string couplings in the \$H\_4\$ model and the couplings for magnetized and intersecting branes.},
archivePrefix = {arXiv},
eprint = {hep-th/0410269},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/d'appollonio_kiritsis_2005_d-branes_and_bcft_in_hpp-wave_backgrounds5.pdf},
number = {3}
}
@article{David:2000:TachyonCondensationD0,
title = {Tachyon Condensation in the {{D0}}/{{D4}} System},
author = {David, Justin R.},
date = {2000-10-03},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energy Phys.},
volume = {2000},
pages = {004--004},
issn = {1029-8479},
doi = {20050405175528},
abstract = {The D0/D4 system with a Neveu-Schwarz B-field in the spatial directions of the D4-brane has a tachyon in the spectrum of the (0,4) strings. The tachyon signals the instability of the system to form a bound state of the D0-brane with the D4-brane. We use the Wess-Zumino-Witten like open superstring field theory formulated by Berkovits to study the tachyon potential for this system. The tachyon potential lies outside the universality class of the D-brane anti-D-brane system. It is a function of the B-field. We calculate the tachyon potential at the zeroth level approximation. The minimum of the tachyon potential in this case is expected to reproduce the mass defect involved in the formation of the D0/D4 bound state. We compare the minimum of the tachyon potential with the mass defect in three cases. For small values of the B-field we obtain 70\% of the expected mass defect. For large values of the B-field with Pf\$(2\textbackslash pi\textbackslash alpha' B) {$>$}0\$ the potential reduces to that of the D-brane anti-D-brane reproducing 62\% of the expected mass defect. For large values of the B-field with Pf\$(2\textbackslash pi\textbackslash alpha' B) {$<$}0\$ the minimum of the tachyon potential gives 25\% of the expected mass defect. At the tachyon condensate we show that the (0,4) strings decouple from the low energy dynamics.},
archivePrefix = {arXiv},
eprint = {hep-th/0007235},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/david_2000_tachyon_condensation_in_the_d0-d4_system.pdf},
number = {10}
}
@article{David:2001:TachyonCondensationUsing,
title = {Tachyon Condensation Using the Disc Partition Function},
author = {David, Justin R.},
date = {2001-07-10},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energy Phys.},
volume = {2001},
pages = {009--009},
issn = {1029-8479},
doi = {10.1088/1126-6708/2001/07/009},
abstract = {It has been recently proposed that the background independent open superstring field theory action is given by the disc partition function with all possible open string operators inserted at the boundary of the disc. We use this proposal to study tachyon condensation in the D0-D2 system. We evaluate the disc partition function for the D0-D2 system in presence of a large Neveu-Schwarz B-field using perturbation theory. This perturbative expansion of the disc partition function makes sense as the boundary tachyon operator for the large Neveu-Schwarz B-field is almost marginal. We find that the mass defect for the formation of the D0-D2 bound state agrees exactly with the expected result in the large B-field limit.},
archivePrefix = {arXiv},
eprint = {hep-th/0012089},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/david_2001_tachyon_condensation_using_the_disc_partition_function5.pdf},
number = {07}
}
@article{David:2002:ClosedStringTachyon,
title = {Closed {{String Tachyon Condensation}} on {{Twisted Circles}}},
author = {David, Justin R. and Gutperle, Michael and Headrick, Matthew and Minwalla, Shiraz},
date = {2002-02-26},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energy Phys.},
volume = {2002},
pages = {041--041},
issn = {1029-8479},
doi = {10.1088/1126-6708/2002/02/041},
abstract = {We study IIA/B string theory compactified on twisted circles. These models possess closed string tachyons and reduce to type 0B/A theory in a special limit. Using methods of gauged linear sigma models and mirror symmetry we construct a conformal field theory which interpolates between these models and flat space via an auxiliary Liouville direction. Interpreting motion in the Liouville direction as renormalization group flow, we argue that the end point of tachyon condensation in all these models (including 0B/A theory) is supersymmetric type II theory. We also find a zero-slope limit of these models which is best described in a T-dual picture as a type II NS-NS fluxbrane. In this limit tachyon condensation is an interesting and well posed problem in supergravity. We explicitly determine the tachyon as a fluctuation of supergravity fields, and perform a rudimentary numerical analysis of the relevant flows.},
archivePrefix = {arXiv},
eprint = {hep-th/0111212},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/david_et_al_2002_closed_string_tachyon_condensation_on_twisted_circles5.pdf},
number = {02}
}
@article{DellaSelva:1970:SimpleExpressionSciuto,
title = {A Simple Expression for the {{Sciuto}} Three-Reggeon Vertex-Generating Duality},
author = {Della Selva, Angelo and Saito, Satoru},
date = {1970-10},
journaltitle = {Lettere al Nuovo Cimento},
shortjournal = {Lett. Nuovo Cimento},
volume = {4},
pages = {689--692},
issn = {0375-930X, 1827-613X},
doi = {10.1007/BF02755329},
file = {/home/riccardo/.local/share/zotero/files/selva_saito_1970_a_simple_expression_for_the_sciuto_three-reggeon_vertex-generating_duality.pdf},
langid = {english},
number = {15}
}
@book{DiFrancesco:1997:ConformalFieldTheory,
title = {Conformal {{Field Theory}}},
author = {Di Francesco, Philippe and Mathieu, Pierre and Sénéchal, David},
date = {1997},
publisher = {{Springer New York}},
location = {{New York}},
doi = {10.1007/978-1-4612-2256-9},
file = {/home/riccardo/.local/share/zotero/files/di_francesco_et_al_1997_conformal_field_theory.pdf},
isbn = {978-1-4612-7475-9 978-1-4612-2256-9},
langid = {english},
series = {Graduate {{Texts}} in {{Contemporary Physics}}}
}
@article{DiVecchia:1997:ClassicalPbranesBoundary,
title = {Classical P-Branes from Boundary State},
author = {Di Vecchia, Paolo and Frau, Marialuisa and Pesando, Igor and Sciuto, Stefano and Lerda, Alberto and Russo, Rodolfo},
date = {1997-07},
journaltitle = {Nuclear Physics B},
volume = {507},
pages = {259--276},
issn = {05503213},
doi = {10.1016/s0550-3213(97)00576-2},
abstract = {We show that the boundary state description of a Dp-brane is strictly related to the corresponding classical solution of the low-energy string effective action. By projecting the boundary state on the massless states of the closed string we obtain the tension, the R-R charge and the large distance behavior of the classical solution. We discuss both the case of a single D-brane and that of bound states of two D-branes. We also show that in the R-R sector the boundary state, written in a picture which treats asymmetrically the left and right components, directly yields the R-R gauge potentials.},
archivePrefix = {arXiv},
eprint = {hep-th/9707068},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/di_vecchia_et_al_1997_classical_p-branes_from_boundary_state.pdf},
number = {1-2}
}
@inproceedings{DiVecchia:1999:DbranesStringTheory,
title = {D-Branes in String Theory {{II}}},
booktitle = {{{YITP}} Workshop on Developments in Superstring and {{M}} Theory},
author = {Di Vecchia, Paolo and Liccardo, Antonella},
date = {1999-12},
pages = {7--48},
archivePrefix = {arXiv},
eprint = {hep-th/9912275},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/di_vecchia_liccardo_1999_d-branes_in_string_theory.pdf}
}
@article{DiVecchia:2000:BranesStringTheory,
title = {D Branes in String Theory {{I}}},
author = {Di Vecchia, Paolo and Liccardo, Antonella},
editor = {Thorlacius, Lárus and Jonsson, Thordur},
date = {2000},
journaltitle = {NATO Sci. Ser. C},
volume = {556},
pages = {1--60},
doi = {10.1007/978-94-011-4303-5_1},
archivePrefix = {arXiv},
eprint = {hep-th/9912161},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/di_vecchia_liccardo_2000_d_branes_in_string_theory,_i.pdf},
number = {NORDITA-1999-77-HE}
}
@inproceedings{DiVecchia:2006:BoundaryStateMagnetized,
title = {Boundary {{State}} for {{Magnetized D9 Branes}} and {{One}}-{{Loop Calculation}}},
booktitle = {Sense of {{Beauty}} in {{Physics}}: {{Miniconference}} in {{Honor}} of {{Adriano Di Giacomo}} on His 70th {{Birthday}}},
author = {Di Vecchia, Paolo and Liccardo, Antonella and Marotta, Raffaele and Pezzella, Franco and Pesando, Igor},
date = {2006-01},
abstract = {We construct the boundary state describing magnetized D9 branes in R\^\{3,1\} x T\^6 and we use it to compute the annulus and Moebius amplitudes. We derive from them, by using open/closed string duality, the number of Landau levels on the torus T\^d.},
archivePrefix = {arXiv},
eprint = {hep-th/0601067},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/di_vecchia_et_al_2006_boundary_state_for_magnetized_d9_branes_and_one-loop_calculation.pdf}
}
@article{DiVecchia:2007:WrappedMagnetizedBranes,
ids = {DiVecchia:2007:WrappedMagnetizedBranesa},
title = {Wrapped Magnetized Branes: Two Alternative Descriptions?},
author = {Di Vecchia, Paolo and Liccardo, Antonella and Marotta, Raffaele and Pezzella, Franco and Pesando, Igor},
date = {2007-12},
journaltitle = {Journal of High Energy Physics},
volume = {2007},
pages = {100--100},
issn = {1029-8479},
doi = {10.1088/1126-6708/2007/11/100},
abstract = {We discuss two inequivalent ways for describing magnetized D-branes wrapped N times on a torus T\^2. The first one is based on a non-abelian gauge bundle U(N), while the second one is obtained by means of a Narain T-duality transformation acting on a theory with non-magnetized branes. We construct in both descriptions the boundary state and the open string vertices and show that they give rise to different string amplitudes. In particular, the description based on the gauge bundle has open string vertex operators with momentum dependent Chan-Paton factors.},
annotation = {ZSCC: 0000022},
archivePrefix = {arXiv},
eprint = {0709.4149},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/di_vecchia_et_al_2007_wrapped_magnetized_branes.pdf},
issue = {11},
number = {DSF-32-2007, NORDITA-2007-28},
primaryClass = {hep-th}
}
@article{DiVecchia:2011:OpenStringsSystem,
title = {Open Strings in the System {{D5}}/{{D9}}},
author = {Di Vecchia, Paolo and Marotta, Raffaele and Pesando, Igor and Pezzella, Franco},
date = {2011-06-17},
journaltitle = {Journal of Physics A: Mathematical and Theoretical},
shortjournal = {J. Phys. A: Math. Theor.},
volume = {44},
pages = {245401},
issn = {1751-8113, 1751-8121},
doi = {10.1088/1751-8113/44/24/245401},
abstract = {We construct the six-dimensional Lagrangian for the massless twisted open strings with one end-point ending on a stack of D5 and the other on a stack of D9 branes, interacting with the gauge multiplets living respectively on the D5 and D9 branes. It is first obtained by uplifting to six dimensions the four-dimensional Lagrangian of the N=2 hypermultiplet and manifestly exhibits an SU(2) symmetry. We show by an explicit calculation that it is N=1 supersymmetric in six dimensions and then we check various terms of this Lagrangian by computing string amplitudes on the disk. Finally, starting from this Lagrangian and assuming the presence of non-zero magnetic fluxes along the extra compact dimensions, we determine the spectrum of the Kaluza-Klein states which agrees with the corresponding one obtained from string theory in the field theory limit.},
archivePrefix = {arXiv},
eprint = {1101.0120},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/di_vecchia_et_al_2011_open_strings_in_the_system_d5-d5.pdf},
number = {24}
}
@article{Duo:2007:NewTwistField,
title = {New Twist Field Couplings from the Partition Function for Multiply Wrapped {{D}}-Branes},
author = {Duo, Dario and Russo, Rodolfo and Sciuto, Stefano},
date = {2007-12-12},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energy Phys.},
volume = {2007},
pages = {042--042},
issn = {1029-8479},
doi = {10.1088/1126-6708/2007/12/042},
abstract = {We consider toroidal compactifications of bosonic string theory with particular regard to the phases (cocycles) necessary for a consistent definition of the vertex operators, the boundary states and the T-duality rules. We use these ingredients to compute the planar multi-loop partition function describing the interaction among magnetized or intersecting D-branes, also in presence of open string moduli. It turns out that unitarity in the open string channel crucially depends on the presence of the cocycles. We then focus on the 2-loop case and study the degeneration limit where this partition function is directly related to the tree-level 3-point correlators between twist fields. These correlators represent the main ingredient in the computation of Yukawa couplings and other terms in the effective action for D-brane phenomenological models. By factorizing the 2-loop partition function we are able to compute the 3-point couplings for abelian twist fields on generic non-factorized tori, thus generalizing previous expressions valid for the 2-torus.},
archivePrefix = {arXiv},
eprint = {0709.1805},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/duo_et_al_2007_new_twist_field_couplings_from_the_partition_function_for_multiply_wrapped5.pdf},
number = {12}
}
@article{Erler:1993:HigherTwistedSector,
title = {Higher {{Twisted Sector Couplings}} of {{ZN Orbifolds}}},
author = {Erler, Jens and Jungnickel, Dirk-U. and Spaliński, Michał and Stieberger, Stephan},
date = {1993-05},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {397},
pages = {379--414},
issn = {05503213},
doi = {10.1016/0550-3213(93)90348-S},
abstract = {We derive the basic correlation functions of twist fields coming from arbitrary twisted sectors in symmetric \$Z\_N\$ orbifold conformal field theories, keeping all the admissible marginal perturbations, in particular those corresponding to the antisymmetric tensor background field. This allows a thorough investigation of modular symmetries in this type of string compactification. Such a study is explicitly carried out for the group generated by duality transformations. Thus, apart from being of phenomenological use, our couplings are also interesting from the mathematical point of view as they represent automorphic functions for a large class of discrete groups.},
archivePrefix = {arXiv},
eprint = {hep-th/9207049},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/erler_et_al_1993_higher_twisted_sector_couplings_of_$z_n$_orbifolds.pdf},
number = {1-2}
}
@article{Finotello:2019:ClassicalSolutionBosonic,
ids = {Finotello:2019:ClassicalSolutionBosonica},
title = {The {{Classical Solution}} for the {{Bosonic String}} in the {{Presence}} of {{Three D}}-Branes {{Rotated}} by {{Arbitrary SO}}(4) {{Elements}}},
author = {Finotello, Riccardo and Pesando, Igor},
date = {2019-04},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {941},
pages = {158--194},
issn = {05503213},
doi = {10.1016/j.nuclphysb.2019.02.010},
abstract = {We consider the classical instantonic contribution to the open string configuration associated with three D-branes with relative rotation matrices in SO(4) which corresponds to the computation of the classical part of the correlator of three non Abelian twist fields. We write the classical solution as a sum of a product of two hypergeometric functions. Differently from all the previous cases with three D-branes, the solution is not holomorphic and suggests that the classical bosonic string knows when the configuration may be supersymmetric. We show how this configuration reduces to the standard Abelian twist field computation. From the phenomenological point of view, the Yukawa couplings between chiral matter at the intersection in this configuration are more suppressed with respect to the factorized case in the literature.},
annotation = {ZSCC: 0000000},
archivePrefix = {arXiv},
eprint = {1812.04643},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/finotello_pesando_2019_the_classical_solution_for_the_bosonic_string_in_the_presence_of_three_d-branes.pdf;/home/riccardo/.local/share/zotero/files/finotello_pesando_2019_the_classical_solution_for_the_bosonic_string_in_the_presence_of_three_d-branes2.pdf}
}
@article{Forste:2018:YukawaCouplingsMagnetized,
title = {Yukawa Couplings from Magnetized {{D}}-Brane Models on Non-Factorisable Tori},
author = {Forste, Stefan and Liyanage, Christoph},
date = {2018-08},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energ. Phys.},
volume = {2018},
pages = {169},
issn = {1029-8479},
doi = {10.1007/JHEP08(2018)169},
abstract = {We compute Yukawa couplings in type IIB string theory compactified on a non factorisable six-torus in the presence of D9 branes and fluxes. The setting studied in detail, is obtained by T-dualising an intersecting brane configuration of type IIA theory compactified on a torus generated by the SO(12) root lattice. Particular deformations of such torus are taken into account and provide moduli dependent couplings. Agreement with the type IIA result is found in a non trivial way. The classical type IIB calculation gives also information on a factor accessible only by quantum computations on the type IIA side.},
archivePrefix = {arXiv},
eprint = {1802.05136},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/forste_liyanage_2018_yukawa_couplings_from_magnetized_d-brane_models_on_non-factorisable_tori.pdf},
number = {8}
}
@article{Frampton:2001:ClassificationConformalityModels,
title = {Classification of {{Conformality Models Based}} on {{Nonabelian Orbifolds}}},
author = {Frampton, Paul H. and Kephart, Thomas W.},
date = {2001-09-27},
journaltitle = {Physical Review D},
shortjournal = {Phys. Rev. D},
volume = {64},
pages = {086007},
issn = {0556-2821, 1089-4918},
doi = {10.1103/PhysRevD.64.086007},
abstract = {A systematic analysis is presented of compactifications of the IIB superstring on \$AdS\_5 \textbackslash times S\^5/\textbackslash Gamma\$ where \$\textbackslash Gamma\$ is a non-abelian discrete group. Every possible \$\textbackslash Gamma\$ with order \$g \textbackslash leq 31\$ is considered. There exist 45 such groups but a majority cannot yield chiral fermions due to a certain theorem that is proved. The lowest order to embrace the nonSUSY standard \$SU(3) \textbackslash times SU(2) \textbackslash times U(1)\$ model with three chiral families is \$\textbackslash Gamma = D\_4 \textbackslash times Z\_3\$, with \$g=24\$; this is the only successful model found in the search. The consequent uniqueness of the successful model arises primarily from the scalar sector, prescribed by the construction, being sufficient to allow the correct symmetry breakdown.},
archivePrefix = {arXiv},
eprint = {hep-th/0011186},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/frampton_kephart_2001_classification_of_conformality_models_based_on_nonabelian_orbifolds5.pdf},
number = {8}
}
@article{Friedan:1986:ConformalInvarianceSupersymmetry,
title = {Conformal Invariance, Supersymmetry and String Theory},
author = {Friedan, Daniel and Martinec, Emil and Shenker, Stephen},
date = {1986-01},
journaltitle = {Nuclear Physics B},
volume = {271},
pages = {93--165},
issn = {05503213},
doi = {10.1016/s0550-3213(86)80006-2},
abstract = {Covariant quantization of string theories is developed in the context of conformal field theory and the BRST quantization procedure. The BRST method is used to covariantly quantize superstrings, and in particular to construct the vertex operators for string emission as well as the supersymmetry charge. The calculation of string loop diagrams is sketched. We discuss how conformal methods can be used to study string compactification and dynamics. © 1986, Elsevier Science Publishers B.V. (North-Holland Physics Publishing Division). All rights reserved. All rights reserved.},
file = {/home/riccardo/.local/share/zotero/files/friedan_et_al_1986_conformal_invariance,_supersymmetry_and_string_theory.pdf},
number = {3-4}
}
@article{Gato:1990:VertexOperatorsNonabelian,
title = {Vertex Operators, Non-Abelian Orbifolds and the {{Reimann}}-{{Hilbert}} Problem},
author = {Gato, Beatriz},
date = {1990-04},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {334},
pages = {414--430},
issn = {05503213},
doi = {10.1016/0550-3213(90)90485-V},
annotation = {http://web.archive.org/web/20200909163742/https://linkinghub.elsevier.com/retrieve/pii/055032139090485V},
file = {/home/riccardo/.local/share/zotero/files/gato_1990_vertex_operators,_non-abelian_orbifolds_and_the_reimann-hilbert_problem.pdf},
keywords = {archived},
langid = {english},
number = {2}
}
@article{Gava:1997:BoundStatesBranes,
title = {On the {{Bound States}} of P- and (P+2)-{{Branes}}},
author = {Gava, Edi and Narain, Kumar S. and Sarmadi, Hossein M.},
date = {1997-10},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {504},
pages = {214--238},
issn = {05503213},
doi = {10.1016/S0550-3213(97)00508-7},
abstract = {We study bound states of D-p-branes and D-(p+2)-branes. By switching on a large magnetic field F on the (p+2) brane, the problem is shown to admit a perturbative analysis in an expansion in inverse powers of F. It is found that, to the leading order in 1/F, the quartic potential of the tachyonic state from the open string stretched between the p- and (p+2)-brane gives a vacuum energy which agrees with the prediction of the BPS mass formula for the bound state. We generalize the discussion to the case of m p-branes plus 1 (p+2)-brane with magnetic field. The T dual picture of this, namely several (p+2)-branes carrying some p-brane charges through magnetic flux is also discussed, where the perturbative treatment is available in the small F limit. We show that once again, in the same approximation, the tachyon condensates give rise to the correct BPS mass formula. The role of 't Hooft's toron configurations in the extension of the above results beyond the quartic approximation as well as the issue of the unbroken gauge symmetries are discussed. We comment on the connection between the present bound state problem and Kondo-like problems in the context of relevant boundary perturbations of boundary conformal field theories.},
archivePrefix = {arXiv},
eprint = {hep-th/9704006},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/gava_et_al_1997_on_the_bound_states_of_p-_and_(p+2)-branes.pdf},
number = {1-2}
}
@article{Ginsparg:1988:AppliedConformalField,
title = {Applied {{Conformal Field Theory}}},
author = {Ginsparg, Paul},
date = {1988-11},
abstract = {These lectures consisted of an elementary introduction to conformal field theory, with some applications to statistical mechanical systems, and fewer to string theory. Contents: 1. Conformal theories in d dimensions 2. Conformal theories in 2 dimensions 3. The central charge and the Virasoro algebra 4. Kac determinant and unitarity 5. Identication of m = 3 with the critical Ising model 6. Free bosons and fermions 7. Free fermions on a torus 8. Free bosons on a torus 9. Affine Kac-Moody algebras and coset constructions 10. Advanced applications},
archivePrefix = {arXiv},
eprint = {hep-th/9108028},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/ginsparg_1988_applied_conformal_field_theory.pdf}
}
@article{Goddard:1973:QuantumDynamicsMassless,
title = {Quantum Dynamics of a Massless Relativistic String},
author = {Goddard, Peter and Goldstone, Jeffrey and Rebbi, Claudio and Thorn, Charles B.},
date = {1973-05},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {56},
pages = {109--135},
issn = {05503213},
doi = {10.1016/0550-3213(73)90223-X},
file = {/home/riccardo/.local/share/zotero/files/goddard_et_al_1973_quantum_dynamics_of_a_massless_relativistic_string.pdf},
keywords = {archived},
langid = {english},
number = {1}
}
@article{Grana:2005:FluxCompactificationsString,
title = {Flux Compactifications in String Theory: A Comprehensive Review},
author = {Graña, Mariana},
date = {2005-09},
journaltitle = {Physics Reports},
volume = {423},
pages = {91--158},
issn = {03701573},
doi = {10.1016/j.physrep.2005.10.008},
abstract = {We present a pedagogical overview of flux compactifications in string theory, from the basic ideas to the most recent developments. We concentrate on closed string fluxes in type II theories. We start by reviewing the supersymmetric flux configurations with maximally symmetric four-dimensional spaces. We then discuss the no-go theorems (and their evasion) for compactifications with fluxes. We analyze the resulting four-dimensional effective theories, as well as some of its perturbative and non-perturbative corrections, focusing on moduli stabilization. Finally, we briefly review statistical studies of flux backgrounds.},
file = {/home/riccardo/.local/share/zotero/files/graña_2005_flux_compactifications_in_string_theory.pdf},
number = {3}
}
@book{Grana:2017:StringTheoryCompactifications,
title = {String {{Theory Compactifications}}},
author = {Graña, Mariana and Triendl, Hagen},
date = {2017},
publisher = {{Springer International Publishing}},
location = {{Cham}},
doi = {10.1007/978-3-319-54316-1},
file = {/home/riccardo/.local/share/zotero/files/graña_triendl_2017_string_theory_compactifications.pdf},
isbn = {978-3-319-54315-4 978-3-319-54316-1},
langid = {english},
series = {{{SpringerBriefs}} in {{Physics}}}
}
@book{Green:1988:SuperstringTheoryIntroduction,
title = {Superstring {{Theory}}. {{Introduction}}.},
author = {Green, Michael B. and Schwarz, John H. and Witten, Edward},
date = {1988},
volume = {1},
doi = {10.1017/CBO9781139248563},
file = {/home/riccardo/.local/share/zotero/files/green_et_al_1988_superstring_theory.pdf},
isbn = {978-0-521-35752-4},
series = {Cambridge Monographs on Mathematical Physics}
}
@book{Green:1988:SuperstringTheoryLoop,
title = {Superstring {{Theory}}. {{Loop Amplitudes}}, {{Anomalies}} and {{Phenomenology}}.},
author = {Green, Michael B. and Schwarz, John H. and Witten, Edward},
date = {1988},
volume = {2},
doi = {10.1017/CBO9781139248570},
file = {/home/riccardo/.local/share/zotero/files/green_et_al_1988_superstring_theory2.pdf},
isbn = {978-0-521-35753-1},
series = {Cambridge Monographs on Mathematical Physics}
}
@article{Greene:1997:StringTheoryCalabiYau,
title = {String {{Theory}} on {{Calabi}}-{{Yau Manifolds}}},
author = {Greene, Brian},
date = {1997-02},
url = {http://arxiv.org/abs/hep-th/9702155},
urldate = {2020-09-03},
abstract = {These lectures are devoted to introducing some of the basic features of quantum geometry that have been emerging from compactified string theory over the last couple of years. The developments discussed include new geometric features of string theory which occur even at the classical level as well as those which require non-perturbative effects. These lecture notes are based on an evolving set of lectures presented at a number of schools but most closely follow a series of seven lectures given at the TASI-96 summer school on Strings, Fields and Duality.},
archivePrefix = {arXiv},
eprint = {hep-th/9702155},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/greene_1997_string_theory_on_calabi-yau_manifolds.pdf}
}
@article{Grimm:2005:EffectiveActionType,
title = {The Effective Action of Type {{IIA Calabi}}{{Yau}} Orientifolds},
author = {Grimm, Thomas W. and Louis, Jan},
date = {2005-07},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {718},
pages = {153--202},
issn = {05503213},
doi = {10.1016/j.nuclphysb.2005.04.007},
annotation = {http://web.archive.org/web/20200905150924/https://linkinghub.elsevier.com/retrieve/pii/S0550321305002920},
file = {/home/riccardo/.local/share/zotero/files/grimm_louis_2005_the_effective_action_of_type_iia_calabiyau_orientifolds.pdf},
keywords = {archived},
langid = {english},
number = {1-2}
}
@article{Hashimoto:2003:RecombinationIntersectingDbranes,
title = {Recombination of {{Intersecting D}}-Branes by {{Local Tachyon Condensation}}},
author = {Hashimoto, Koji and Nagaoka, Satoshi},
date = {2003-06-18},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energy Phys.},
volume = {2003},
pages = {034--034},
issn = {1029-8479},
doi = {10.1088/1126-6708/2003/06/034},
abstract = {We provide a simple low energy description of recombination of intersecting D-branes using super Yang-Mills theory. The recombination is realized by condensation of an off-diagonal tachyonic fluctuation localized at the intersecting point. The recombination process is equivalent to brane-antibrane annihilation, thus our result confirms Sen's conjecture on tachyon condensation, although we work in the super Yang-Mills theory whose energy scale is much lower than alpha'. We also discuss the decay width of non-parallelly separated D-branes.},
archivePrefix = {arXiv},
eprint = {hep-th/0303204},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/hashimoto_nagaoka_2003_recombination_of_intersecting_d-branes_by_local_tachyon_condensation5.pdf},
number = {06}
}
@article{He:2020:CalabiyauSpacesString,
title = {Calabi-Yau Spaces in the String Landscape},
author = {He, Yang-Hui},
date = {2020-06},
archivePrefix = {arXiv},
eprint = {2006.16623},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/he_2020_calabi-yau_spaces_in_the_string_landscape.pdf},
keywords = {⛔ No DOI found}
}
@article{Honecker:2012:FieldTheoryStandard,
title = {Towards the Field Theory of the {{Standard Model}} on Fractional {{D6}}-Branes on {{T6}}/{{Z6}}: {{Yukawa}} Couplings and Masses},
author = {Honecker, Gabriele and Vanhoof, Joris},
date = {2012-01},
journaltitle = {Fortschritte der Physik},
volume = {60},
pages = {1050--1056},
issn = {00158208},
doi = {10.1002/prop.201200016},
abstract = {We present the perturbative Yukawa couplings of the Standard Model on fractional intersecting D6-branes on T6/Z6' and discuss two mechanisms of creating mass terms for the vector-like particles in the matter spectrum, through perturbative three-point couplings and through continuous D6-brane displacements.},
archivePrefix = {arXiv},
eprint = {1201.5872},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/honecker_vanhoof_2012_towards_the_field_theory_of_the_standard_model_on_fractional_d6-branes_on_t6-6.pdf},
number = {9-10}
}
@book{Hubsch:1992:CalabiyauManifoldsBestiary,
title = {Calabi-Yau Manifolds: {{A}} Bestiary for Physicists},
author = {Hubsch, Tristan},
date = {1992},
publisher = {{World Scientific}},
file = {/home/riccardo/.local/share/zotero/files/hubsch_1992_calabi-yau_manifolds.pdf},
isbn = {978-981-02-1927-7}
}
@article{Ibanez:2001:GettingJustStandard,
title = {Getting Just the Standard Model at Intersecting Branes},
author = {Ibanez, Luis E. and Marchesano, Fernando and Rabadán, Raúl},
date = {2001-11-02},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energy Phys.},
volume = {2001},
pages = {002--002},
issn = {1029-8479},
doi = {10.1088/1126-6708/2001/11/002},
archivePrefix = {arXiv},
eprint = {hep-th/0105155},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/nez_et_al_2001_getting_just_the_standard_model_at_intersecting_branes.pdf},
keywords = {archived},
number = {11}
}
@article{Inoue:1987:NonAbelianOrbifolds,
title = {Non-{{Abelian Orbifolds}}},
author = {Inoue, Kenzo and Sakamoto, Makoto and Takano, Hiroshi},
date = {1987-10-01},
journaltitle = {Progress of Theoretical Physics},
shortjournal = {Progress of Theoretical Physics},
volume = {78},
pages = {908--922},
issn = {0033-068X, 1347-4081},
doi = {10.1143/PTP.78.908},
annotation = {http://web.archive.org/web/20200909163620/https://academic.oup.com/ptp/article/78/4/908/1865644},
file = {/home/riccardo/.local/share/zotero/files/inoue_et_al_1987_non-abelian_orbifolds2.pdf},
keywords = {archived},
langid = {english},
number = {4}
}
@article{Inoue:1990:StringInteractionsNonAbelian,
title = {String {{Interactions}} on {{Non}}-{{Abelian Orbifold}}},
author = {Inoue, Kenzo and Nima, Shuij},
date = {1990-10-01},
journaltitle = {Progress of Theoretical Physics},
shortjournal = {Progress of Theoretical Physics},
volume = {84},
pages = {702--727},
issn = {0033-068X, 1347-4081},
doi = {10.1143/ptp/84.4.702},
file = {/home/riccardo/.local/share/zotero/files/inoue_nima_1990_string_interactions_on_non-abelian_orbifold.pdf},
keywords = {archived},
langid = {english},
number = {4}
}
@article{Johnson:2000:DBranePrimer,
title = {D-{{Brane Primer}}},
author = {Johnson, Clifford V.},
date = {2000-07},
journaltitle = {Strings, Branes and Gravity},
pages = {129--350},
doi = {10.1142/9789812799630_0002},
abstract = {Following is a collection of lecture notes on D-branes, which may be used by the reader as preparation for applications to modern research applications such as: the AdS/CFT and other gauge theory/geometry correspondences, Matrix Theory and stringy non-commutative geometry, etc. In attempting to be reasonably self-contained, the notes start from classical point-particles and develop the subject logically (but selectively) through classical strings, quantisation, D-branes, supergravity, superstrings, string duality, including many detailed applications. Selected focus topics feature D-branes as probes of both spacetime and gauge geometry, highlighting the role of world-volume curvature and gauge couplings, with some non-Abelian cases. Other advanced topics which are discussed are the (presently) novel tools of research such as fractional branes, the enhancon mechanism, D(ielectric)-branes and the emergence of the fuzzy/non-commutative sphere.},
archivePrefix = {arXiv},
eprint = {hep-th/0007170},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/johnson_2000_d-brane_primer.pdf}
}
@book{Joyce:2000:CompactManifoldsSpecial,
title = {Compact Manifolds with Special Holonomy},
author = {Joyce, Dominic},
date = {2000},
publisher = {{Oxford University Press on Demand}},
file = {/home/riccardo/.local/share/zotero/files/joyce_2000_compact_manifolds_with_special_holonomy.pdf},
isbn = {978-0-19-850601-0}
}
@article{Joyce:2002:LecturesCalabiYauSpecial,
title = {Lectures on {{Calabi}}-{{Yau}} and Special {{Lagrangian}} Geometry},
author = {Joyce, Dominic},
date = {2002-06},
abstract = {This paper gives a leisurely introduction to Calabi-Yau manifolds and special Lagrangian submanifolds from the differential geometric point of view, followed by a survey of recent results on singularities of special Lagrangian submanifolds, and their application to the SYZ Conjecture. It is aimed at graduate students in Geometry, String Theorists, and others wishing to learn the subject, and is designed to be fairly self-contained. It is based on lecture courses given at Nordfjordeid, Norway and MSRI, Berkeley in June and July 2001. We introduce Calabi-Yau m-folds via holonomy groups, Kahler geometry and the Calabi Conjecture, and special Lagrangian m-folds via calibrated geometry. `Almost Calabi-Yau m-folds' (a generalization of Calabi-Yau m-folds useful in special Lagrangian geometry) are explained and the deformation theory and moduli spaces of compact special Lagrangian submanifolds in (almost) Calabi-Yau m-folds is described. In the final part we consider isolated singularities of special Lagrangian m-folds, focussing mainly on singularities locally modelled on cones, and the expected behaviour of singularities of compact special Lagrangian m-folds in generic (almost) Calabi-Yau m-folds. String Theory, Mirror Symmetry and the SYZ Conjecture are briefly discussed, and some results of the author on singularities of special Lagrangian fibrations of Calabi-Yau 3-folds are described.},
archivePrefix = {arXiv},
eprint = {math/0108088},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/joyce_2002_lectures_on_calabi-yau_and_special_lagrangian_geometry2.pdf},
keywords = {⛔ No DOI found}
}
@article{Kachru:2003:SitterVacuaString,
title = {De {{Sitter Vacua}} in {{String Theory}}},
author = {Kachru, Shamit and Kallosh, Renata and Linde, Andrei and Trivedi, Sandip P.},
date = {2003-08-07},
journaltitle = {Physical Review D},
shortjournal = {Phys. Rev. D},
volume = {68},
pages = {046005},
issn = {0556-2821, 1089-4918},
doi = {10.1103/PhysRevD.68.046005},
abstract = {We outline the construction of metastable de Sitter vacua of type IIB string theory. Our starting point is highly warped IIB compactifications with nontrivial NS and RR three-form fluxes. By incorporating known corrections to the superpotential from Euclidean D-brane instantons or gaugino condensation, one can make models with all moduli fixed, yielding a supersymmetric AdS vacuum. Inclusion of a small number of anti-D3 branes in the resulting warped geometry allows one to uplift the AdS minimum and make it a metastable de Sitter ground state. The lifetime of our metastable de Sitter vacua is much greater than the cosmological timescale of 10\^10 years. We also prove, under certain conditions, that the lifetime of dS space in string theory will always be shorter than the recurrence time.},
archivePrefix = {arXiv},
eprint = {hep-th/0301240},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/kachru_et_al_2003_de_sitter_vacua_in_string_theory.pdf},
number = {4}
}
@article{Kiritsis:1994:StringPropagationGravitational,
title = {String {{Propagation}} in {{Gravitational Wave Backgrounds}}},
author = {Kiritsis, Elias and Kounnas, Costas},
date = {1994-01},
journaltitle = {Physics Letters B},
shortjournal = {Physics Letters B},
volume = {320},
pages = {264--272},
issn = {03702693},
doi = {10.1016/0370-2693(94)90655-6},
abstract = {The Conformal Field Theory of the current algebra of the centrally extended 2-d Euclidean group is analyzed. Its representations can be written in terms of four free fields (without background charge) with signature (\$-\$+++). We construct all irreducible representations of the current algebra with unitary base out of the free fields and their orbifolds. This is used to investigate the spectrum and scattering of strings moving in the background of a gravitational wave. We find that all the dynamics happens in the transverse space or the longitunal one but not both.},
archivePrefix = {arXiv},
eprint = {hep-th/9310202},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/kiritsis_kounnas_1994_string_propagation_in_gravitational_wave_backgrounds5.pdf},
number = {3-4}
}
@article{Krippendorf:2010:CambridgeLecturesSupersymmetry,
title = {Cambridge {{Lectures}} on {{Supersymmetry}} and {{Extra Dimensions}}},
author = {Krippendorf, Sven and Quevedo, Fernando and Schlotterer, Oliver},
date = {2010-11-05},
abstract = {These lectures on supersymmetry and extra dimensions are aimed at finishing undergraduate and beginning postgraduate students with a background in quantum field theory and group theory. Basic knowledge in general relativity might be advantageous for the discussion of extra dimensions. This course was taught as a 24+1 lecture course in Part III of the Mathematical Tripos in recent years. The first six chapters give an introduction to supersymmetry in four spacetime dimensions, they fill about two thirds of the lecture notes and are in principle self-contained. The remaining two chapters are devoted to extra spacetime dimensions which are in the end combined with the concept of supersymmetry. Videos from the course lectured in 2006 can be found online at http://www.sms.cam.ac.uk/collection/659537 .},
archivePrefix = {arXiv},
eprint = {1011.1491},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/krippendorf_et_al_2010_cambridge_lectures_on_supersymmetry_and_extra_dimensions.pdf},
langid = {english}
}
@article{Lust:2009:LHCStringHunter,
title = {The {{LHC String Hunter}}'s {{Companion}}},
author = {Lust, Dieter and Stieberger, Stephan and Taylor, Tomasz R.},
date = {2009-02},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {808},
pages = {1--52},
issn = {05503213},
doi = {10.1016/j.nuclphysb.2008.09.012},
abstract = {The mass scale of fundamental strings can be as low as few TeV/c\^2 provided that spacetime extends into large extra dimensions. We discuss the phenomenological aspects of weakly coupled low mass string theory related to experimental searches for physics beyond the Standard Model at the Large Hadron Collider (LHC). We consider the extensions of the Standard Model based on open strings ending on D-branes, with gauge bosons due to strings attached to stacks of D-branes and chiral matter due to strings stretching between intersecting D-branes. We focus on the model-independent, universal features of low mass string theory. We compute, collect and tabulate the full-fledged string amplitudes describing all 2-{$>$}2 parton scattering subprocesses at the leading order of string perturbation theory. We cast our results in a form suitable for the implementation of stringy partonic cross sections in the LHC data analysis. The amplitudes involving four gluons as well as those with two gluons plus two quarks do not depend on the compactification details and are completely model-independent. They exhibit resonant behavior at the parton center of mass energies equal to the masses of Regge resonances. The existence of these resonances is the primary signal of string physics and should be easy to detect. On the other hand, the four-fermion processes like quark-antiquark scattering include also the exchanges of heavy Kaluza-Klein and winding states, whose details depend on the form of internal geometry. They could be used as ``precision tests'' in order to distinguish between various compactification scenarios.},
archivePrefix = {arXiv},
eprint = {0807.3333},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/lust_et_al_2009_the_lhc_string_hunter's_companion.pdf},
number = {1-2}
}
@article{Paton:1969:GeneralizedVenezianoModel,
title = {Generalized {{Veneziano}} Model with Isospin},
author = {Paton, Jack E. and {Chan Hong-Mo}},
date = {1969-05},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {10},
pages = {516--520},
issn = {05503213},
doi = {10.1016/0550-3213(69)90038-8},
file = {/home/riccardo/.local/share/zotero/files/paton_chan_hong-mo_1969_generalized_veneziano_model_with_isospin.pdf},
keywords = {archived},
langid = {english},
number = {3}
}
@article{Pesando:2008:MultibranesBoundaryStates,
title = {Multi-Branes Boundary States with Open String Interactions},
author = {Pesando, Igor},
date = {2008-04},
journaltitle = {Nuclear Physics B},
volume = {793},
pages = {211--245},
issn = {05503213},
doi = {10.1016/j.nuclphysb.2007.10.002},
abstract = {We derive boundary states which describe configurations of multiple parallel branes with arbitrary open string states interactions in bosonic string theory. This is obtained by a careful discussion of the factorization of open/closed string states amplitudes taking care of cycles needed by ensuring vertexes commutativity: in particular the discussion reveals that already at the tree level open string knows of the existence of closed string. We also give a formal expression for computing pure closed string amplitudes using the open string formalism.},
annotation = {ZSCC: 0000011},
file = {/home/riccardo/.local/share/zotero/files/pesando_2008_multi-branes_boundary_states_with_open_string_interactions.pdf},
number = {1-2}
}
@article{Pesando:2010:OpenClosedString,
title = {Open and {{Closed String Vertices}} for Branes with Magnetic Field and {{T}}-Duality},
author = {Pesando, Igor},
date = {2010-02},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energ. Phys.},
volume = {2010},
pages = {64},
issn = {1029-8479},
doi = {10.1007/JHEP02(2010)064},
abstract = {We discuss carefully the vertices which describe the dipole open strings and closed strings on a D-brane with magnetic flux on a torus. Translation invariance along closed cycles forces surprisingly closed string vertices written in open string formalism to acquire Chan-Paton like matrices. Moreover the one loop amplitudes have a single trace for the part of gauge group with the magnetic flux. These peculiarities are also required by consistency of the action of T-duality in the open string sector. In this way we can show to all orders in perturbation theory the equivalence of the T-dual open string theories, gravitational interactions included. We provide also a new and direct derivation of the bosonic boundary state in presence of constant magnetic and Kalb-Ramond background based on Sciuto-Della Selva-Saito vertex formalism.},
archivePrefix = {arXiv},
eprint = {0910.2576},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/pesando_2010_open_and_closed_string_vertices_for_branes_with_magnetic_field_and_t-duality5.pdf},
number = {2}
}
@article{Pesando:2011:GeneratingFunctionAmplitudes,
title = {The Generating Function of Amplitudes with {{N}} Twisted and {{M}} Untwisted States},
author = {Pesando, Igor},
date = {2011-07-27},
abstract = {We show that the generating function of all amplitudes with N twisted and M untwisted states, i.e. the Reggeon vertex for magnetized branes on R\^2 can be computed once the correlator of N non excited twisted states and the corresponding Green function are known and we give an explicit expression as a functional of the these objects},
archivePrefix = {arXiv},
eprint = {1107.5525},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/pesando_2011_the_generating_function_of_amplitudes_with_n_twisted_and_m_untwisted_states.pdf},
keywords = {⛔ No DOI found},
primaryClass = {hep-th}
}
@article{Pesando:2011:StringsArbitraryConstant,
title = {Strings in an Arbitrary Constant Magnetic Field with Arbitrary Constant Metric and Stringy Form Factors},
author = {Pesando, Igor},
date = {2011-06},
journaltitle = {Journal of High Energy Physics},
shortjournal = {J. High Energ. Phys.},
volume = {2011},
pages = {138},
issn = {1029-8479},
doi = {10.1007/JHEP06(2011)138},
abstract = {We quantize the open string in an arbitrary constant magnetic field with a non factorized metric on a torus. We then discuss carefully the vertexes which describe the emission of dipole open strings and closed strings in the non compact limit. Finally we compute various stringy form factors which in the compact case induces a Kaehler and complex structure dependence and suppression of some amplitudes with KK states.},
archivePrefix = {arXiv},
eprint = {1101.5898},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/pesando_2011_strings_in_an_arbitrary_constant_magnetic_field_with_arbitrary_constant_metric5.pdf},
number = {6}
}
@article{Pesando:2012:GreenFunctionsTwist,
ids = {Pesando:2013:GreenFunctionsTwist},
title = {Green Functions and Twist Correlators for {{N}} Branes at Angles},
author = {Pesando, Igor},
date = {2012-06},
journaltitle = {Nuclear Physics B},
volume = {866},
pages = {87--123},
issn = {05503213},
doi = {10.1016/j.nuclphysb.2012.08.016},
abstract = {We compute the Green functions and correlator functions for N twist fields for branes at angles on T\^2 and we show that there are N-2 different configurations labeled by an integer M which is roughly associated with the number of obtuse angles of the configuration. In order to perform this computation we use a SL(2,R) invariant formulation and geometric constraints instead of Pochammer contours. In particular the M=1 or M=N-1 amplitude can be expressed without using transcendental functions. We determine the amplitudes normalization from N -\textbackslash textgreater N-1 reduction without using the factorization into the untwisted sector. Both the amplitudes normalization and the OPE of two twist fields are unique (up to one constant) when the \$\textbackslash backslash\$epsilon \textbackslash textless-\textbackslash textgreater 1-\$\textbackslash backslash\$epsilon symmetry is imposed. For consistency we find also an infinite number of relations among Lauricella hypergeometric functions.},
annotation = {ZSCC: 0000000[s0]},
archivePrefix = {arXiv},
eprint = {1206.1431},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/pesando_2012_green_functions_and_twist_correlators_for_$n$_branes_at_angles.pdf},
issue = {2},
number = {DFTT-6-2012},
primaryClass = {hep-th}
}
@article{Pesando:2013:LightConeQuantization,
title = {Light Cone Quantization and Interactions of a New Closed Bosonic String Inspired to {{D1}} String},
author = {Pesando, Igor},
date = {2013-11},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {876},
pages = {1--15},
issn = {05503213},
doi = {10.1016/j.nuclphysb.2013.07.022},
abstract = {We quantize the bosonic part of the D1 string with closed boundary conditions on the light cone and we consider the U(1) worldsheet gauge field a dynamical variable. We compute also 3-Reggeon vertex by the overlapping technique. We find that the Fock space is the sum of sectors characterized by the momentum of the U(1) Wilson line and that these sectors do not interact among them. Each sector has exactly the same spectrum of the usual bosonic string when expressed in properly sector dependent rescaled variables. Rescaling is forced by factorization of the string amplitudes. We are also able to determine the relative string coupling constant of the different sectors. It follows a somewhat unexpected picture in which the effective action is always the same independently on the sector but string amplitudes are only the same when expressed in sector dependent rescaled variables.},
archivePrefix = {arXiv},
eprint = {1305.2710},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/pesando_2013_light_cone_quantization_and_interactions_of_a_new_closed_bosonic_string5.pdf},
number = {1}
}
@article{Pesando:2014:CanonicalQuantizationString,
title = {Canonical Quantization of a String Describing \${{N}}\$ Branes at Angles},
author = {Pesando, Igor},
date = {2014-12},
journaltitle = {Nuclear Physics B},
shortjournal = {Nuclear Physics B},
volume = {889},
pages = {120--155},
issn = {05503213},
doi = {10.1016/j.nuclphysb.2014.10.005},
abstract = {We study the canonical quantization of a bosonic string in presence of N twist fields. This generalizes the quantization of the twisted string in two ways: the in and out states are not necessarily twisted and the number of twist fields N can be bigger than 2. In order to quantize the theory we need to find the normal modes. Then we need to define a product between two modes which is conserved. Because of this we need to use the Klein-Gordon product and to separate the string coordinate into the classical and the quantum part. The quantum part has different boundary conditions than the original string coordinates but these boundary conditions are precisely those which make the operator describing the equation of motion self adjoint. The splitting of the string coordinates into a classical and quantum part allows the formulation of an improved overlap principle. Using this approach we then proceed in computing the generating function for the generic correlator with L untwisted operators and N (excited) twist fields for branes at angles. We recover as expected the results previously obtained using the path integral. This construction explains why these correlators},
archivePrefix = {arXiv},
eprint = {1407.4627},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/pesando_2014_canonical_quantization_of_a_string_describing_$n$_branes_at_angles.pdf}
}
@article{Pesando:2014:CorrelatorsArbitraryUntwisted,
ids = {Pesando:2014:CorrelatorsArbitraryUntwisteda},
title = {Correlators of Arbitrary Untwisted Operators and Excited Twist Operators for {{N}} Branes at Angles},
author = {Pesando, Igor},
date = {2014-01},
journaltitle = {Nuclear Physics B},
volume = {886},
pages = {243--287},
issn = {05503213},
doi = {10.1016/j.nuclphysb.2014.06.010},
abstract = {We compute the generic correlator with L untwisted operators and N (excited) twist fields for branes at angles on T\^2 and show that it is given by a generalization of the Wick theorem. We give also the recipe to compute efficiently the generic OPE between an untwisted operator and an excited twisted state.},
annotation = {ZSCC: 0000012},
archivePrefix = {arXiv},
eprint = {1401.6797},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/pesando_2014_correlators_of_arbitrary_untwisted_operators_and_excited_twist_operators_for_n2.pdf},
primaryClass = {hep-th}
}
@article{Pesando:2016:FullyStringyComputation,
ids = {Pesando:2016:FullyStringyComputationa},
title = {Towards a Fully Stringy Computation of {{Yukawa}} Couplings on Non-Factorized Tori and Non-Abelian Twist Correlators ({{I}}): {{The}} Classical Solution and Action},
author = {Pesando, Igor},
date = {2016-09},
journaltitle = {Nuclear Physics B},
volume = {910},
pages = {618--664},
issn = {05503213},
doi = {10.1016/j.nuclphysb.2016.06.013},
abstract = {We consider the simplest possible setting of non-abelian twist fields which corresponds to SU(2) monodromies. We first review the theory of hypergeometric function and of the solutions of the most general Fuchsian second order equation with three singularities. Then we solve the problem of writing the general solution with prescribed U(2) monodromies. We use this result to compute the classical string solution corresponding to three D2 branes in R4. Despite the fact that the configuration is supersymmetric the classical string solution is not holomorphic. Using the equation of motion and not the KLT approach we give a very simple expression for the classical action of the string. We find that the classical action is not proportional to the area of the triangle determined by the branes intersection points since the solution is not holomorphic. Phenomenologically this means that the Yukawa couplings for these supersymmetric configurations on non-factorized tori are suppressed with respect to the factorized case.},
annotation = {ZSCC: 0000003},
archivePrefix = {arXiv},
eprint = {1512.07920},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/pesando_2016_towards_a_fully_stringy_computation_of_yukawa_couplings_on_non_factorized_tori.pdf},
primaryClass = {hep-th}
}
@article{Polchinski:1995:DirichletBranesRamondRamond,
title = {Dirichlet Branes and {{Ramond}}-{{Ramond}} Charges},
author = {Polchinski, Joseph},
date = {1995-12},
journaltitle = {Physical Review Letters},
volume = {75},
pages = {4724--4727},
issn = {00319007},
doi = {10.1103/physrevlett.75.4724},
abstract = {We show that Dirichlet-branes, extended objects defined by mixed Dirichlet-Neumann boundary conditions in string theory, break half of the supersymmetries of the typeII superstring and carry a complete set of electric and magnetic Ramond-Ramond charges. We also find that the product of the electric and magnetic charges is a single Dirac unit, and that the quantum of charge takes the value required by string duality. This is strong evidence that the Dirchlet-branes are intrinsic to type II string theory and are the Ramond-Ramond sources required by string duality. We also note the existence of a previously overlooked 9-form potential in the IIa string, which gives rise to an effective cosmological constant of undetermined magnitude.},
archivePrefix = {arXiv},
eprint = {hep-th/9510017},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/polchinski_1995_dirichlet_branes_and_ramond-ramond_charges.pdf},
number = {26}
}
@article{Polchinski:1996:TASILecturesDBranes,
title = {{{TASI Lectures}} on {{D}}-{{Branes}}},
author = {Polchinski, Joseph},
date = {1996-11},
journaltitle = {New Frontiers in Fields and Strings},
pages = {75--136},
abstract = {This is an introduction to the properties of D-branes, topological defects in string theory on which string endpoints can live. D-branes provide a simple description of various nonperturbative objects required by string duality, and give new insight into the quantum mechanics of black holes and the nature of spacetime at the shortest distances. The first two thirds of these lectures closely follow the earlier ITP lectures hep-th/9602052, written with S. Chaudhuri and C. Johnson. The final third includes more extensive applications to string duality.},
archivePrefix = {arXiv},
eprint = {hep-th/9611050},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/polchinski_1996_tasi_lectures_on_d-branes.pdf}
}
@book{Polchinski:1998:StringTheoryIntroduction,
title = {String {{Theory}}. {{An}} Introduction to the Bosonic String.},
author = {Polchinski, Joseph},
date = {1998},
volume = {1},
publisher = {{Cambridge University Press}},
doi = {10.1017/CBO9780511816079},
file = {/home/riccardo/.local/share/zotero/files/polchinski_1998_string_theory.pdf},
isbn = {978-0-521-67227-6 978-0-521-63303-1 978-0-511-81607-9},
keywords = {archived}
}
@book{Polchinski:1998:StringTheorySuperstring,
title = {String {{Theory}}. {{Superstring}} Theory and Beyond.},
author = {Polchinski, Joseph},
date = {1998},
volume = {2},
publisher = {{Cambridge University Press}},
doi = {10.1017/CBO9780511618123},
file = {/home/riccardo/.local/share/zotero/files/polchinski_1998_string_theory2.pdf},
isbn = {978-0-521-63304-8 978-0-521-67228-3 978-0-511-61812-3},
keywords = {archived}
}
@article{Polyakov:1981:QuantumGeometryBosonic,
title = {Quantum Geometry of Bosonic Strings},
author = {Polyakov, Alexander M.},
date = {1981-07},
journaltitle = {Physics Letters B},
shortjournal = {Physics Letters B},
volume = {103},
pages = {207--210},
issn = {03702693},
doi = {10.1016/0370-2693(81)90743-7},
file = {/home/riccardo/.local/share/zotero/files/polyakov_1981_quantum_geometry_of_bosonic_strings2.pdf},
keywords = {archived},
langid = {english},
number = {3}
}
@article{Sciuto:1969:GeneralVertexFunction,
title = {The General Vertex Function in Dual Resonance Models},
author = {Sciuto, Stefano},
date = {1969-09},
journaltitle = {Lettere al Nuovo Cimento},
shortjournal = {Lett. Nuovo Cimento},
volume = {2},
pages = {411--418},
issn = {0375-930X, 1827-613X},
doi = {10.1007/BF02755622},
file = {/home/riccardo/.local/share/zotero/files/sciuto_1969_the_general_vertex_function_in_dual_resonance_models5.pdf},
langid = {english},
number = {9}
}
@article{Sheikh-Jabbari:1998:ClassificationDifferentBranes,
title = {Classification of {{Different Branes}} at {{Angles}}},
author = {Sheikh-Jabbari, Mohammad M.},
date = {1998-02},
journaltitle = {Physics Letters B},
shortjournal = {Physics Letters B},
volume = {420},
pages = {279--284},
issn = {03702693},
doi = {10.1016/S0370-2693(97)01550-5},
abstract = {In this paper, we consider two D-branes rotated with respect to each other, and argue that in this way one can find brane configurations preserving \$\{1 \textbackslash f 16\}\$ of SUSY. Also we classify different brane configurations preserving \$\{1 \textbackslash f 2\}\$, \$\{1 \textbackslash f 4\}\$, \$\{3 \textbackslash f 16\}\$,\$\{1 \textbackslash f 8\}\$, \$\{1 \textbackslash f 16\}\$ of SUSY.},
archivePrefix = {arXiv},
eprint = {hep-th/9710121},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/sheikh-jabbari_1998_classification_of_different_branes_at_angles.pdf},
number = {3-4}
}
@article{Stieberger:1992:YukawaCouplingsBosonic,
title = {Yukawa {{Couplings}} for {{Bosonic ZN Orbifolds}}: {{Their Moduli}} and {{Twisted Sector Dependence}}},
shorttitle = {Yukawa {{Couplings}} for {{Bosonic}} \${{Z}}\_{{N}}\$ {{Orbifolds}}},
author = {Stieberger, Stephan and Jungnickel, Dirk-U. and Lauer, Juergen and Spaliński, Michał},
date = {1992-10-30},
journaltitle = {Modern Physics Letters A},
shortjournal = {Mod. Phys. Lett. A},
volume = {07},
pages = {3059--3070},
issn = {0217-7323, 1793-6632},
doi = {10.1142/S0217732392002457},
abstract = {The three point correlation functions with twist fields are determined for bosonic \$Z\_N\$ orbifolds. Both the choice of the modular background (compatible with the twist) and of the (higher) twisted sectors involved are fully general. We point out a necessary restriction on the set of instantons contributing to twist field correlation functions not obtained in previous calculations. Our results show that the theory is target space duality invariant.},
archivePrefix = {arXiv},
eprint = {hep-th/9204037},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/stieberger_et_al_1992_yukawa_couplings_for_bosonic_zn_orbifolds.pdf},
number = {33}
}
@article{Susskind:2003:AnthropicLandscapeString,
title = {The {{Anthropic Landscape}} of {{String Theory}}},
author = {Susskind, Leonard},
date = {2003-02},
abstract = {In this lecture I make some educated guesses, about the landscape of string theory vacua. Based on the recent work of a number of authors, it seems plausible that the lanscape is unimaginably large and diverse. Whether we like it or not, this is the kind of behavior that gives credence to the Anthropic Principle. I discuss the theoretical and conceptual issues that arise in developing a cosmology based on the diversity of environments implicit in string theory.},
archivePrefix = {arXiv},
eprint = {hep-th/0302219},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/susskind_2003_the_anthropic_landscape_of_string_theory.pdf}
}
@article{Taylor:2003:LecturesDbranesTachyon,
title = {Lectures on {{D}}-Branes, Tachyon Condensation, and String Field Theory},
author = {Taylor, Washington},
date = {2003-01-15},
abstract = {These lectures provide an introduction to the subject of tachyon condensation in the open bosonic string. The problem of tachyon condensation is first described in the context of the low-energy Yang-Mills description of a system of multiple D-branes, and then using the language of string field theory. An introduction is given to Witten's cubic open bosonic string field theory. The Sen conjectures on tachyon condensation in open bosonic string field theory are introduced, and evidence confirming these conjectures is reviewed.},
archivePrefix = {arXiv},
eprint = {hep-th/0301094},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/taylor_2003_lectures_on_d-branes,_tachyon_condensation,_and_string_field_theory.pdf}
}
@article{Taylor:2004:DBranesTachyonsString,
title = {D-{{Branes}}, {{Tachyons}}, and {{String Field Theory}}},
author = {Taylor, Washington and Zwiebach, Barton},
date = {2004-03},
journaltitle = {Strings, Branes and Extra Dimensions},
pages = {641--760},
doi = {10.1142/9789812702821_0012},
abstract = {In these notes we provide a pedagogical introduction to the subject of tachyon condensation in Witten's cubic bosonic open string field theory. We use both the low-energy Yang-Mills description and the language of string field theory to explain the problem of tachyon condensation on unstable D-branes. We give a self-contained introduction to open string field theory using both conformal field theory and overlap integrals. Our main subjects are the Sen conjectures on tachyon condensation in open string field theory and the evidence that supports these conjectures. We conclude with a discussion of vacuum string field theory and projectors of the star-algebra of open string fields. We comment on the possible role of string field theory in the construction of a nonperturbative formulation of string theory that captures all possible string backgrounds.},
archivePrefix = {arXiv},
eprint = {hep-th/0311017},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/taylor_zwiebach_2004_d-branes,_tachyons,_and_string_field_theory.pdf}
}
@article{tHooft:2009:DimensionalReductionQuantum,
title = {Dimensional {{Reduction}} in {{Quantum Gravity}}},
author = {'t Hooft, Gerard},
date = {2009-03-20},
abstract = {The requirement that physical phenomena associated with gravitational collapse should be duly reconciled with the postulates of quantum mechanics implies that at a Planckian scale our world is not 3+1 dimensional. Rather, the observable degrees of freedom can best be described as if they were Boolean variables defined on a two-dimensional lattice, evolving with time. This observation, deduced from not much more than unitarity, entropy and counting arguments, implies severe restrictions on possible models of quantum gravity. Using cellular automata as an example it is argued that this dimensional reduction implies more constraints than the freedom we have in constructing models. This is the main reason why so-far no completely consistent mathematical models of quantum black holes have been found. Essay dedicated to Abdus Salam.},
archivePrefix = {arXiv},
eprint = {gr-qc/9310026},
eprinttype = {arxiv},
file = {/home/riccardo/.local/share/zotero/files/hooft_2009_dimensional_reduction_in_quantum_gravity.pdf},
options = {useprefix=true}
}
@article{Uranga:2003:ChiralFourdimensionalString,
title = {Chiral Four-Dimensional String Compactifications with Intersecting {{D}}-Branes},
author = {Uranga, Angel M.},
date = {2003-06-21},
journaltitle = {Classical and Quantum Gravity},
shortjournal = {Class. Quantum Grav.},
volume = {20},
pages = {S373-S393},
issn = {0264-9381, 1361-6382},
doi = {10.1088/0264-9381/20/12/303},
file = {/home/riccardo/.local/share/zotero/files/uranga_2003_chiral_four-dimensional_string_compactifications_with_intersecting_d-branes.pdf},
number = {12}
}
@article{Uranga:2005:TASILecturesString,
title = {{{TASI}} Lectures on {{String Compactification}}, {{Model Building}}, and {{Fluxes}}},
author = {Uranga, Angel M.},
date = {2005},
url = {http://cds.cern.ch/record/933469/files/cer-002601054.pdf},
abstract = {We review the construction of chiral four-dimensional compactifications of string theory with different systems of D-branes, including type IIA intersecting D6-branes and type IIB magnetised D-branes. Such models lead to four-dimensional theories with non-abelian gauge interactions and charged chiral fermions. We discuss the application of these techniques to building of models with spectrum as close as possible to the Standard Model, and review their main phenomenological properties. We finally describe how to implement the tecniques to construct these models in flux compactifications, leading to models with realistic gauge sectors, moduli stabilization and supersymmetry breaking soft terms.},
file = {/home/riccardo/.local/share/zotero/files/uranga_2005_tasi_lectures_on_string_compactification,_model_building,_and_fluxes.pdf}
}
@article{Yau:1977:CalabiConjectureNew,
title = {Calabi's Conjecture and Some New Results in Algebraic Geometry},
author = {Yau, Shing-Tung},
date = {1977-05-01},
journaltitle = {Proceedings of the National Academy of Sciences},
shortjournal = {Proceedings of the National Academy of Sciences},
volume = {74},
pages = {1798--1799},
issn = {0027-8424, 1091-6490},
doi = {10.1073/pnas.74.5.1798},
file = {/home/riccardo/.local/share/zotero/files/yau_1977_calabi's_conjecture_and_some_new_results_in_algebraic_geometry2.pdf},
langid = {english},
number = {5}
}
@book{Zwiebach::FirstCourseString,
title = {A {{First Course}} in {{String Theory}}},
author = {Zwiebach, Barton},
file = {/home/riccardo/.local/share/zotero/files/zwiebach_a_first_course_in_string_theory.pdf},
isbn = {978-0-521-88032-9},
langid = {english}
}