Tricritical behavior of a mixed spin-12 and spin-2 Ising system

T. Kaneyoshi

Physica A: Statistical Mechanics and its Applications, 1994, vol. 205, issue 4, 677-686

Abstract: The phase diagram of a mixed spin-12 and spin-2 Ising system is investigated by the use of the effective-field theory. The general expression for evaluating the transition temperature and the tricritical point is obtained. We find that the tricritical point exists in the system when the coordination number z is larger than z = 3.

Date: 1994
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:205:y:1994:i:4:p:677-686

DOI: 10.1016/0378-4371(94)90229-1

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