Thermodynamical properties of the random field Ising model

H.E. Borges and P.R. Silva

Physica A: Statistical Mechanics and its Applications, 1987, vol. 144, issue 2, 561-573

Abstract: The random field Ising model is studied within the differential operator method. The phase diagrams were obtained for coordination numbers z = 4 and z = 6. They show several interesting behaviours, presenting tricritical points (only for z = 6), and re-entrant order parameters in either of the two distribution functions studied. The influence of the re-entrant behaviour on the thermodynamical properties is also investigated.

Date: 1987
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:144:y:1987:i:2:p:561-573

DOI: 10.1016/0378-4371(87)90208-1

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