30 lines
994 B
TeX
30 lines
994 B
TeX
\usetikzlibrary{decorations.pathmorphing}
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\begin{tikzpicture}
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% draw axis
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\draw[thick, ->] (-3cm, 0cm) -- (3cm, 0cm) node[anchor=south] {$\tau$};
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\draw[thick, ->] (-0.75cm, -1cm) -- (-0.75cm, 3cm) node[anchor=east] {$\sigma$};
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% draw defects
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\filldraw[fill=white, draw=black] (-2cm, 0cm) circle (2pt) node[anchor=north] {$\htau_{(t+1)}$};
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\filldraw[fill=white, draw=black] (0.25cm, 0cm) circle (2pt) node[anchor=north] {$\htau_{(t)}$};
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\filldraw[fill=white, draw=black] (2.25cm, 0cm) circle (2pt) node[anchor=north] {$\htau_{(t-1)}$};
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% draw the endlines
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\draw[dotted] (-2cm, 2pt) -- (-2cm, 2cm);
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\draw[dotted] (0.25cm, 2pt) -- (0.25cm, 2cm);
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\draw[dotted] (2.25cm, 2pt) -- (2.25cm, 2cm);
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% draw the second D-brane
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\draw[dashed] (-3cm, 2cm) -- (3cm, 2cm);
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\node[anchor=south west] at (-0.75cm, 2cm) {$\pi$};
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% draw the string
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\draw[decorate, decoration={snake, segment length=0.75cm}] (1cm, 0cm) -- (1cm, 2cm);
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\draw[->] (1.1cm, 1cm) -- (1.6cm, 1cm);
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\end{tikzpicture}
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% vim: ft=tex
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