Correlated-effective-field treatment of spin-one ising models

T. Kaneyoshi

Physica A: Statistical Mechanics and its Applications, 1990, vol. 164, issue 3, 730-750

Abstract: A new version of correlated effective-field theory is applied to a study of the spin-one Ising models, namely the Blume-Capel and Blume-Emery-Griffiths modesl, using the Honmura-Kaneyoshi differential operator technique. This method is illustrated in a honeycomb lattice by investigating the phase diagram, the magnetization, the correlated effective-field parameter and the short-range order parameter. The theory correctly accounts for many physical quantities and leads to results that are quite superior, and in some aspects different, to those of the previous works.

Date: 1990
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:164:y:1990:i:3:p:730-750

DOI: 10.1016/0378-4371(90)90232-H

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