Update docs: compute_spin, fix_precession_spin, pair_spin_exchange, pair_spin_neel (5c93b6ad) · Commits · 郑智淋 / lammps

doc/src/Eqs/fix_spin_cubic.jpg

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		\documentclass[preview]{standalone}
		\usepackage{varwidth}
		\usepackage[utf8x]{inputenc}
		\usepackage{amsmath,amssymb,amsthm,bm}
		\begin{document}
		\begin{varwidth}{50in}
		\begin{equation}
		\bm{H}_{cubic} = -\sum_{{ i}=1}^{N} K_{1}
		\Big[
		\left(\vec{s}_{i} \cdot \vec{n1} \right)^2
		\left(\vec{s}_{i} \cdot \vec{n2} \right)^2 +
		\left(\vec{s}_{i} \cdot \vec{n2} \right)^2
		\left(\vec{s}_{i} \cdot \vec{n3} \right)^2 +
		\left(\vec{s}_{i} \cdot \vec{n1} \right)^2
		\left(\vec{s}_{i} \cdot \vec{n3} \right)^2 \Big]
		+K_{2}^{(c)} \left(\vec{s}_{i} \cdot \vec{n1} \right)^2
		\left(\vec{s}_{i} \cdot \vec{n2} \right)^2
		\left(\vec{s}_{i} \cdot \vec{n3} \right)^2 \nonumber
		\end{equation}
		\end{varwidth}
		\end{document}

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		\documentclass[preview]{standalone}
		\usepackage{varwidth}
		\usepackage[utf8x]{inputenc}
		\usepackage{amsmath,amssymb,amsthm,bm}
		\begin{document}
		\begin{varwidth}{50in}
		\begin{equation}
		\bm{H}_{Zeeman} = -g \sum_{i=0}^{N}\mu_{i}\,
		\vec{s}_{i} \cdot\vec{B}_{ext} \nonumber
		\end{equation}
		\end{varwidth}
		\end{document}

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