Coherent-Anomaly Method Calculation on the Cluster Variation Method.I
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概要
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On the basis of the coherent-anomaly method (CAM) proposed by Suzuki, thestatic and dynamic critical exponents of the Ising model in the triangle and the sq uarelattice are calculated using the cluster variation method (CVM) and the path probabil-ity method (PPM) devised by Kikuchi within analytical tractable approximations.The values of critical temperatures and critical exponents estimated from three ap-proximations with different levels are generally reasonable. The two-dimensionalresults are also compared with those of the simple cubic lattice.[coherent anomaly method (CAM), critical exponents, cluster variation method ll (CVM), path probability method (PPM)l
- 社団法人日本物理学会の論文
- 1989-12-15
著者
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WADA Koh
Department of Physics, Hokkaido University
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和田 宏
Hokkaido Univ. Sapporo
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和田 宏
北海道大学理学部
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Wada Koh
Department Of Physics Faculty Of Science Hokkaido University
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WATANABE Naotosi
Department of Physics,Faculty of Science,Hokkaido University
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Watanabe Naotosi
Department Of Physics Faculty Of Science Hokkaido University
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