The Relationship between Plefka's Expansion and the Cluster Variation Method(General)
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概要
- 論文の詳細を見る
We expand some approximate free energies in the cluster variation method for random Ising models with respect to exchange interactions, and compare them with the Plefka's expansion. It can be clarified that some approximate free energies in the cluster variation method include all terms relating to specific clusters (or diagrams) in Plefka's expansion. Revealing the relationship between Plefka's expansion and the cluster variation method allows us to understand how the cluster variation method treats correlations among nodes.
- 社団法人日本物理学会の論文
- 2006-08-15
著者
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Tanaka Kazuyuki
Department Of Applied Information Sciences Graduate School Of Information Sciences Tohoku University
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YASUDA Muneki
Department of System Information Sciences, Graduate School of Information Sciences, Tohoku Universit
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Yasuda Muneki
Department Of System Information Sciences Graduate School Of Information Sciences Tohoku University
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