Order of phase transition on a simple cubic lattice determined by cluster variation method

Naoya Kiyokane, Tetsuo Mohri

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Detailed analyses of the free energy behavior near the order-disorder transition temperature on a simple cubic lattice are attempted by cluster variation method (CVM). The entropy is formulated within a cubic approximation of the CVM and two kinds of nearest neighbor pair interaction energies are assumed in the internal energy; one is independent of an atomic distance, r, and the other depends on r through Lennard-Jones type pair potential. In both cases, it is found that the order of the transition is of second order.

Original languageEnglish
Pages (from-to)463-468
Number of pages6
JournalMaterials Transactions
Volume51
Issue number3
DOIs
Publication statusPublished - 2010 Mar

Keywords

  • Cluster variation method
  • Correlation function
  • Order of phase transition
  • Simple cubic lattice

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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