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arXiv 2105.03326hep-thcond-mat.stat-mech
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广义$T\bar{T}$ -变形的可积系统空间

The Space of Integrable Systems from Generalised $T\bar{T}$-Deformations

Benjamin Doyon, Joseph Durnin, Takato Yoshimura

摘要:

我们介绍了一个扩展的广义$T\bar{T}$变形所描述的Smirnov-Zamolodchikov,包括完整的广泛收费。我们表明,这给变形的S-矩阵超越CDD因素,产生任意功能依赖动量。从统计力学的基本原理出发,进一步导出了自由能流和全部自由能流的流动方程。由此可见,在不使用微观贝特近似或其他可积性方法的情况下,变形模型的热力学可以用热力学贝特-近似的积分方程来描述,而精确的平均电流则采用了从广义流体力学(无论是在经典还是量子领域)中得到的形式。

英文摘要:

We introduce an extension of the generalised $T\bar{T}$-deformation described by Smirnov-Zamolodchikov, to include the complete set of extensive charges. We show that this gives deformations of S-matrices beyond CDD factors, generating arbitrary functional dependence on momenta. We further derive from basic principles of statistical mechanics the flow equations for the free energy and all free energy fluxes. From this follows, without invoking the microscopic Bethe ansatz or other methods from integrability, that the thermodynamics of the deformed models are described by the integral equations of the thermodynamic Bethe-Ansatz, and that the exact average currents take the form expected from generalised hydrodynamics, both in the classical and quantum realms.

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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