APPLICATION OF THE CLUSTER VARIATION METHOD TO THE FERROMAGNETIC 6-STATE CLOCK MODEL ON THE TRIANGULAR LATTICE AND ITS CAM ANALYSIS

被引:2
作者
FUJIKI, S
机构
[1] Department of Engineering Science, Tohoku University
关键词
CLUSTER VARIATION METHOD; HEXAGONAL APPROXIMATION; 6-STATE CLOCK MODEL; TRIANGULAR LATTICE; KOSTERLITZ-THOULESS TYPE SINGULARITY;
D O I
10.1143/JPSJ.62.556
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The cluster variation method is applied to the ferromagnetic six-state clock model on the triangular lattice up to the hexagonal cluster approximation. The Kosterlitz-Thouless type phase transition of the model is studied by using the coherent anomaly method (CAM).
引用
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页码:556 / 562
页数:7
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