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无序伊辛模型中的边界自由能、淬火混合与吉布斯态选择

Boundary Free Energies, Quenched Mixing, and Gibbs-State Selection in Disordered Ising Models

Mauris Chueng, Hexiang Wang, Keheng Zhu

arXiv 2608.24261首次发表:更新:

AI 中文总结

该研究针对无序伊辛模型,证明了固定深度切向压力存在、吉布斯态选择独立性等结论,建立了全表面极限并给出反例,为相关统计物理问题提供了理论支撑。

AI 中文摘要

我们研究最近邻无序伊辛模型中的边界自由能与半空间响应。首先,证明固定深度切向压力的存在性,并确定其导数几乎处处与极限边界响应相等;其次,在淬火指数边界响应混合条件下,证明吉布斯态选择的独立性及有限深度压力的指数收敛性,进一步表明均匀单自旋混合可得到DLR唯一性与高斯正态局域化,并在(2d-1)E[tanh(β|J|)]<1时验证所需混合条件;最后,在有界Dobrushin区域建立全表面极限,并提供反例界定一般表面与刚度断言的适用范围。

英文摘要

We study boundary free energies and half-space responses in nearest-neighbor disordered Ising models. First, we prove the existence of fixed-depth tangential pressure and identify its derivative almost everywhere with the limiting boundary response. Second, under quenched exponential boundary-response mixing, we prove Gibbs-state selection independence and exponential convergence of finite-depth pressures. We further show that uniform one-spin mixing yields DLR uniqueness and Gaussian normal localization, and verify the required mixing conditions whenever $(2d-1)\mathbb E\tanh(β\vert{}J\vert{})<1$. Finally, we establish an all-face surface limit in the bounded Dobrushin regime and provide counterexamples that delimit general surface and stiffness claims.

Comments33 pages, 2 figures

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