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arXiv 2408.04201math-phhep-thmath.MPnlin.SI
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与 $G_2$ 例外李代数相关的量子可积系统的精确解

Exact solution of a quantum integrable system associated with the $G_2$ exceptional Lie algebra

Guang-Liang Li, Junpeng Cao, Pei Sun, Wen-Li Yang, Kangjie Shi, Yupeng Wang

AI总结:

该研究通过融合技术推导出与 $G_2$ 例外李代数相关的量子可积自旋链的递推关系,从而获得精确能谱和 Bethe ansatz 方程,为处理例外李代数边界条件提供统一方法。

摘要:

研究了一个与 $G_2$ 例外李代数相关的量子可积自旋链模型。利用融合技术,得到了融合转移矩阵之间的封闭递推关系。这些恒等式使我们能够基于多项式分析推导出系统的精确能谱和 Bethe ansatz 方程。本方法为研究周期性和非对角开放边界条件下与例外李代数相关的 Bethe ansatz 解提供了统一处理。

英文摘要:

A quantum integrable spin chain model associated with the $G_2$ exceptional Lie algebra is studied. By using the fusion technique, the closed recursive relations among the fused transfer matrices are obtained. These identities allow us to derive the exact energy spectrum and Bethe ansatz equations of the system based on polynomial analysis. The present method provides a unified treatment to investigate the Bethe ansatz solutions for both periodic and non-diagonal open boundary conditions associated with exceptional Lie algebras.

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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