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arXiv 2402.04849cond-mat.stat-mechhep-thmath-phmath.MP
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T-W关系与η=iπ/3的反周期XXZ链在有限温度下的自由能

T-W relation and free energy of the antiperiodic XXZ chain with η=iπ/3 at a finite temperature

Pengcheng Lu, Junpeng Cao, Wen-Li Yang, Ian Marquette, Yao-Zhong Zhang

AI总结:

本文通过t-W方法研究各向异性参数η=iπ/3的反周期XXZ链热力学,利用零点参数化转移矩阵本征值,构建非线性积分方程并计算出有限温度下的自由能。

摘要:

我们通过t-W方法研究各向异性参数为η=iπ/3的反周期XXZ链的热力学。我们用零点而非Bethe根来参数化转移矩阵及相应的融合转移矩阵的本征值。基于零点分布模式和重构的熵,我们获得了描述该模型热力学的非线性积分方程(NLIEs),并计算了其在有限温度下的自由能。

英文摘要:

We study the thermodynamics of the antiperiodic XXZ chain with anisotropy parameter η=iπ/3 by means of the t-W method. We parameterize the eigenvalues of both the transfer matrix and the corresponding fused transfer matrix by their zero points instead of Bethe roots. Based on the patterns of the zero points distribution and the reconstructed entropy, we obtain the nonlinear integral equations (NLIEs) describing the thermodynamics of the model and compute its free energy at a finite temperature.

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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