Second-order phase transitions and tricritical points in the random-field Ising models

T. Kaneyoshi

Physica A: Statistical Mechanics and its Applications, 1986, vol. 139, issue 2, 455-470

Abstract: A method that applies to a wide class of the random-field Ising models is used to investigate the influence of random-field on the critical phenomena. The 3D random-field Ising models with nearest-neighbour interactions exhibit tricritical behavior. The obtained results express rather large deviations from the mean-field theory. For particular cases, the formulation gives some well-known exact results.

Date: 1986
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:139:y:1986:i:2:p:455-470

DOI: 10.1016/0378-4371(86)90132-9

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