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Exact solutions for heterophase ferromagnets

Author

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  • Shumovsky, A.S.
  • Yukalov, V.I.

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.

Suggested Citation

  • Shumovsky, A.S. & Yukalov, V.I., 1982. "Exact solutions for heterophase ferromagnets," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 110(3), pages 518-534.
    • Handle: RePEc:eee:phsmap:v:110:y:1982:i:3:p:518-534
    DOI: 10.1016/0378-4371(82)90066-8
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    References listed on IDEAS

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    1. den Ouden, L.W.J. & Capel, H.W. & Perk, J.H.H. & Tindemans, P.A.J., 1976. "Systems with separable many-particle interactions. I," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 85(1), pages 51-70.
    2. Yukalov, V.I., 1980. "Bose condensation in strongly monideal systems," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 100(2), pages 431-442.
    3. Marvin P. Miracle, 1968. ""Subsistence Agriculture": Analytical Problems and Alternative Concepts," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 50(2), pages 292-310.
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