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arXiv 1702.01190math-phcond-mat.stat-mechmath.MP
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半圈对称的畴壁六顶点模型

Domain wall six-vertex model with half-turn symmetry

Pavel Bleher, Karl Liechty

摘要:

我们得到了具有畴壁边界条件和半圈对称性的六顶点模型的配分函数的渐近公式。证明是基于Izergin-Korepin-Kuperberg行列式公式的配分函数,其减少正交多项式,并在一个渐近分析的正交多项式的框架下考虑的黎曼-希尔伯特方法。

英文摘要:

We obtain asymptotic formulas for the partition function of the six-vertex model with domain wall boundary conditions and half-turn symmetry in each of the phase regions. The proof is based on the Izergin--Korepin--Kuperberg determinantal formula for the partition function, its reduction to orthogonal polynomials, and on an asymptotic analysis of the orthogonal polynomials under consideration in the framework of the Riemann--Hilbert approach.

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