Exact solution of a decorated ferrimagnetic Ising model

A. Dakhama

Physica A: Statistical Mechanics and its Applications, 1998, vol. 252, issue 1, 225-237

Abstract: We give the exact solution of a two-dimensional decorated ferrimagnetic Ising model. This model has recently been introduced by Kaneyoshi [Physica A 229 (1996) 166] as a simple ferrimagnetic model which can show more than one compensation temperature. The exact solution is obtained by mapping the model onto the spin-12 Ising model. We show that two compensation temperatures exist in the model when the decorating spin S is integer. However, only one compensation temperature has been found when S is half-integer.

Keywords: Decorated Ising model; Exact solution; Ferrimagnetism; Compensation temperature (search for similar items in EconPapers)
Date: 1998
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:252:y:1998:i:1:p:225-237

DOI: 10.1016/S0378-4371(97)00583-9

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