中文

反铁磁 Potts 模型的转移矩阵与配分函数零点:V. 方格晶格色多项式的进一步结果

统计力学 2015-10-08 v2 高能物理 - 格点 组合数学

摘要

我们推导了具有自由边界条件和圆柱边界条件的方格晶格 Potts 模型转移矩阵的一些新结构结果。特别是,我们得到了任意宽度 m 下转移矩阵中主导(在大 |q| 时)对角元(作为特殊一维聚合物模型的解)的显式闭式表达式。我们还得到了零温反铁磁体(即色多项式)体自由能和表面(分别对应角)自由能的大 q 展开,精度分别达到 q^{-47} 和 q^{-46}。最后,我们计算了宽度 9 <= m <= 12 且具有自由边界条件的条带的色根,并大致确定了极限曲线的位置。

关键词

引用

@article{arxiv.0711.1738,
  title  = {Transfer Matrices and Partition-Function Zeros for Antiferromagnetic Potts Models. V. Further Results for the Square-Lattice Chromatic Polynomial},
  author = {Jesus Salas and Alan D. Sokal},
  journal= {arXiv preprint arXiv:0711.1738},
  year   = {2015}
}

备注

111 pages (LaTeX2e). Includes tex file, three sty files, and 19 Postscript figures. Also included are Mathematica files data_CYL.m and data_FREE.m. Many changes from version 1: new material on series expansions and their analysis, and several proofs of previously conjectured results. Final version to be published in J. Stat. Phys