Exact solutions for heterophase ferromagnets

A.S. Shumovsky and V.I. Yukalov

Physica A: Statistical Mechanics and its Applications, 1982, vol. 110, issue 3, 518-534

Abstract: An exactly soluble model of a ferromagnet with paramagnetic fluctuations is analysed both analytically and numerically. The existence of such fluctuations depends on a relation between the direct and exchange interactions of particles. The presence of these fluctuations can drastically influence the properties of a system leading to the following effects; the change of the order of the phase transition from second to first; the occurrence of maxima in the magnetization and in the specific heat below the critical point; changes in critical indexes.

Date: 1982
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:110:y:1982:i:3:p:518-534

DOI: 10.1016/0378-4371(82)90066-8

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