八顶点模型的例外解和大质量费米子模型各向异性扩张的可积性
Exceptional solutions to the eight-vertex model and integrability of anisotropic extensions of massive fermionic models
摘要：
我们考虑几个各向异性扩展的Belavin模型，并表明，可积性也持有大量的情况下，耦合常数之间的一些特定的关系。这是通过将S-矩阵分解性质与八顶点模型的例外解相关联来完成的。并给出了XXZ模型和六顶点模型例外解之间的关系。
英文摘要：
We consider several anisotropic extensions of the Belavin model, and show that integrability holds also for the massive case for some specific relations between the coupling constants. This is done by relating the S-matrix factorization property to the exceptional solutions of the eight-vertex model. The relation of exceptional solutions to the XXZ and six-vertex models is also shown.
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