Application of the Cluster Variation Method to the Ferromagnetic Six-State Clock Model on the Triangular Lattice and Its CAM Analysis

Sumiyoshi Fujiki

doi:10.1143/JPSJ.62.556

Journal of the Physical Society of Japan

Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015

Application of the Cluster Variation Method to the Ferromagnetic Six-State Clock Model on the Triangular Lattice and Its CAM Analysis

Sumiyoshi Fujiki

著者情報

キーワード: cluster variation method, hexagonal approximation, six-state clock model, triangular lattice, Kosterlitz-Thouless type singularity

ジャーナル認証あり

1993 年 62 巻 2 号 p. 556-562

DOI https://doi.org/10.1143/JPSJ.62.556

詳細

抄録

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).