forked from lijiext/lammps
10 lines
165 B
TeX
10 lines
165 B
TeX
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\documentclass[12pt]{article}
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\begin{document}
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$$
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E_{NN} = \frac{1}{{4\pi \varepsilon _0 }}\sum\limits_{i < j} {\frac{{Z_i Z_j }}{{R_{ij} }}}
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$$
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\end{document}
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