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Random Ising model in the magnetic field at T = 0

The integral equation for the distribution function of the effective fields in the random Ising model in the finite external field is solved exactly at zero temperature in the one-dimensional case for 1) dilute ferromagnet, 2) dilute antiferromagnet and 3) ±J model. The ground state characteristics of these systems are obtained. In particular the effective fields in the ±J model are shown to have a triangular distribution in the zero external field limit.
Year of publication:
1982
Authors: Katsura, Shigetoshi ; Miyamoto, Nahomi
Published in:
Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 112.1982, 3, p. 393-404
Publisher: Elsevier
Type of publication: Article
Source:
Persistent link: https://www.econbiz.de/10011059294
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