34 lines
1.3 KiB
TeX
34 lines
1.3 KiB
TeX
\documentclass[tikz]{standalone}
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\definecolor{ice2}{RGB}{8,81,156}
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\definecolor{liq2}{RGB}{66,146,198}
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\begin{document}
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\begin{tikzpicture}
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\draw[->,thick] (-0.5,0) -- (9,0) node[right] {$1/\rho$};
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\draw[->,thick] (0,-0.5) -- (0,5.5) node[above] {$p(T,\rho)$};
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\begin{scope}[scale=1.8]
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\fill[liq2, opacity=0.5]
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(0.604,0.64) --
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plot[domain=0.604:2.403, smooth, samples=100] (\x, {7.2/(3*\x-1)-3/(\x^2)}) --
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(2.403,0.64) -- cycle;
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\begin{scope}
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\clip (0, 0) rectangle (5,3);
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\draw[thick, domain=0.4:4.5, smooth,samples=100] plot (\x, {9/(3*\x-1)-3/(\x^2)});
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\draw[ice2,thick, domain=0.4:4.5, smooth,samples=100] plot (\x, {8/(3*\x-1)-3/(\x^2)});
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\draw[thick, domain=0.4:4.5, smooth,samples=100] plot (\x, {7.2/(3*\x-1)-3/(\x^2)});
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\end{scope}
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\node[above] at (4,0.7) {$T>T_c$};
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\node[ice2,right] at (4.5,0.5) {$T=T_c$};
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\node[above] at (4,0.1) {$T<T_c$};
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\draw[dashed,thick] (0.604,0.64) -- (2.403,0.64);
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\draw[dotted,thick] (0.604,0.64) -- (0.604,0) node[below] {$1/\rho_{\mathrm{liq}}$};
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\draw[dotted,thick] (2.403,0.64) -- (2.403,0) node[below] {$1/\rho_{\mathrm{vap}}$};
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\end{scope}
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\end{tikzpicture}
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\end{document}
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