Colouring Solutions of the Ice Problem

被引:1
|
作者
Thompson, Colin J. [1 ,2 ]
机构
[1] ARC Ctr Excellence Math & Stat Complex Syst, Melbourne, Vic, Australia
[2] Univ Melbourne, Dept Math & Stat, Melbourne, Vic 3010, Australia
关键词
Ice problem; Vertex models; Domb; Pauling; Colouring; Exact solutions; TRIANGULAR LATTICE; RESIDUAL ENTROPY; CRYSTALS;
D O I
10.1007/s10955-011-0246-3
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The ice problem on a lattice can be expressed in terms of arrow configurations on bonds with equal numbers of arrows pointing to and away from the vertices. In some cases vertex (ice) models can be expressed as colouring problems. We use the colouring association in conjunction with an old heuristic argument of Pauling to (re)derive the exact results for the residual entropy of ice on the square and triangular lattices.
引用
收藏
页码:647 / 651
页数:5
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