forked from lijiext/lammps
10 lines
214 B
TeX
10 lines
214 B
TeX
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\documentclass[12pt]{article}
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\begin{document}
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$$
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E_{Ne} = - \frac{1}{{4\pi \varepsilon _0 }}\sum\limits_{i,j} {\frac{{Z_i }}{{R_{ij} }}Erf\left( {\frac{{\sqrt 2 R_{ij} }}{{s_j }}} \right)}
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$$
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\end{document}
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