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arXiv 2201.11598cond-mat.stat-mech
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一些完全可解且可调的受挫自旋模型

Some exactly solvable and tunable frustrated spin models

Francesco Caravelli

摘要:

本文讨论了三种可精确解的自旋几何挫折模型。首先,我们讨论了16顶点模型的一个单参数子族,它可以映射到一个平面伊辛模型,并通过Fisher-Dubedát装饰来求解。然后,我们考虑一个1-参数的家庭推广的恶棍的完全受挫模型,Onsager的二维伊辛模型和恶棍之间的插值。然后我们讨论了树上的自旋冰模型,它可以使用递归\textit{a lá Bethe}精确求解。

英文摘要:

We discuss three exactly solvable spin models of geometric frustration. First, we discuss a 1-parameter subfamily of the 16 vertex model, which can be mapped to a planar Ising model and solved via Fisher-Dubedát decorations. We then consider a 1-parameter family generalization of the Villain's fully frustrated model, which interpolates between Onsager's 2D Ising model and the Villain one. We then discuss spin ice models on a tree, which can be solved exactly using recursions \textit{a lá Bethe}.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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