Spin-glass transition in Heisenberg spin system with ±J random bonds

A. Ghazali, P. Lallemand and H.T. Diep

Physica A: Statistical Mechanics and its Applications, 1986, vol. 134, issue 3, 628-635

Abstract: We investigate by Monte Carlo simulations the simple cubic lattice with Heisenberg spins interacting via short range ±J random bonds for different antiferromagnetic bond concentrations x. We find that for x<0.25, a transition of the para-ferromagnetic type occurs. For 0.25⪅x⩽0.5, the existence of a remanant magnetization and of a rounded peak of the specific heat together with other data support a paramagnetic-spin-glass transition at finite temperature.

Date: 1986
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:134:y:1986:i:3:p:628-635

DOI: 10.1016/0378-4371(86)90019-1

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