Quadrupolar and S = 1 Ising spin glasses in local mean field approximation

R.A. Hassan, Marek Cieplak and Mai Suan Li

Physica A: Statistical Mechanics and its Applications, 1993, vol. 192, issue 1, 1-13

Abstract: The local mean field calculations are carried out for S = 1 Ising spin glasses and for discrete quadrupolar glasses. The couplings are short-range and Gaussian distributed. The phase diagram in the Ising case is different than predicted for the infinite range model: there is no reentrancy on the anisotropy-temperature plane. An onset of irreversibility in the field cycling is demonstrated to take place in discrete quadrupolar glasses. Properties of the specific heats in both systems are discussed.

Date: 1993
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:192:y:1993:i:1:p:1-13

DOI: 10.1016/0378-4371(93)90140-Y

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