Coherent-Anomaly Analysis with Cluster Variation Method for Spin-Pair Correlation Function of Ising Model on Square Lattice

Kazuyuki Tanaka, Tsuyoshi Horiguchi, Tohru Morita

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

The spin-pair correlation functions in the Ising model on the square lattice are obtained in three approximations of the simplified cluster variation method. We find good estimates of the critical exponents ηv, γ and v, by applying the coherent-anomaly method to the obtained spin-pair correlation functions.

Original languageEnglish
Pages (from-to)2576-2587
Number of pages12
Journaljournal of the physical society of japan
Volume60
Issue number8
DOIs
Publication statusPublished - 1991 Jan 1

Keywords

  • Ising model
  • cluster variation method
  • coherent-anomaly method
  • critical exponent
  • spin-pair correlation function

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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