The boundary between the spin-glass and ferromagnetic states of the bond-random Ising model in the square lattice at T = 0

Shigetoshi Katsura, Toshiyuki Suenaga and Takahiro Imaizumi

Physica A: Statistical Mechanics and its Applications, 1982, vol. 116, issue 3, 368-379

Abstract: The bond-random (±J) Ising model in the square lattice is considered in the square cluster approximation. The boundary between the ferromagnetic and spin-glass states at T = 0 is obtained as the transition point from the asymmetric distribution of the effective fields to the symmetric distribution. The concentration of this transition, PFG is obtained by solving the integral equation for the distribution function of the effective fields.

Date: 1982
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:116:y:1982:i:3:p:368-379

DOI: 10.1016/0378-4371(82)90165-0

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