Correlation-induced reentrant spin-glass behavior in an Ising model with random interactions
- 1 July 1984
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 30 (1) , 495-497
- https://doi.org/10.1103/physrevb.30.495
Abstract
An Ising spin-glass calculation is presented showing that stable "reentrant" spin-glass behavior, which is absent in mean-field theory, occurs when local correlations are taken into account. The method is a simple Kikuchi approximation starting from the exactly soluble classical spin-glass model proposed by van Hemmen. The resulting phase diagram is in good agreement with experiment.Keywords
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