forked from lijiext/lammps
13 lines
411 B
TeX
13 lines
411 B
TeX
|
\documentclass[12pt]{article}
|
||
|
|
|
||
|
|
\begin{document}
|
||
|
|
|
||
|
|
\begin{eqnarray*}
|
||
|
|
E & = & E_i + E_{aa} \\
|
||
|
|
E_i & = & K [ \frac{\chi_{ijkl} + \chi_{kjli} + \chi_{ljik}}{3} - \chi_0 ]^2 \\
|
||
|
|
E_{aa} & = & M_1 (\theta_{ijk} - \theta_1) (\theta_{kjl} - \theta_3) + \\
|
||
|
|
& & M_2 (\theta_{ijk} - \theta_1) (\theta_{ijl} - \theta_2) + \\
|
||
|
|
& & M_3 (\theta_{ijl} - \theta_2) (\theta_{kjl} - \theta_3)
|
||
|
|
\end{eqnarray*}
|
||
|
|
|
||
|
|
\end{document}
|