Ising models with two- and three-spin interactions: Mean field equation of state

S. Frøyen, Aa.S. Sudbø and P.C. Hemmer

Physica A: Statistical Mechanics and its Applications, 1976, vol. 85, issue 2, 399-408

Abstract: The Ising model with pair and triplet interactions on the triangular lattice is solved in the mean-field approximation. With a sufficiently strong triplet interaction two first-order transitions take place at low temperature, and at intermediate temperatures one transition, terminating in a critical point. For J2 > 0.75J3 only the latter transition remains.

Date: 1976
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:85:y:1976:i:2:p:399-408

DOI: 10.1016/0378-4371(76)90058-3

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