Phase diagrams and tricritical behavior of a spin-one transverse Ising model in a random field

T. Kaneyoshi

Physica A: Statistical Mechanics and its Applications, 1992, vol. 186, issue 3, 482-494

Abstract: Phase diagrams of a spin-1 transverse Ising model in a random field on square lattice are investigated by the use of correlated effective field theory. A tricritical point is found in the system, in contrast to the corresponding spin-12 Ising system. The behaviour of the tricritical point is also examined as a function of the applied transverse field.

Date: 1992
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:186:y:1992:i:3:p:482-494

DOI: 10.1016/0378-4371(92)90211-8

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