The Blume-Capel model with four-spin interactions

B. Laaboudi and M. Kerouad

Physica A: Statistical Mechanics and its Applications, 1997, vol. 241, issue 3, 729-736

Abstract: The Blume-Capel (BC) model with four-spin interactions is studied within the finite cluster approximation (FCA). We have investigated the influence of the four-spin interactions on the phase diagram of the BC model. It is shown that the phase diagram may exhibit a reentrant behaviour and that the tricritical behaviour persists for every strength of the four-spin interaction.

Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:241:y:1997:i:3:p:729-736

DOI: 10.1016/S0378-4371(97)00169-6

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