The spin-12 transverse Ising model with four spin interactions

B. Laaboudi and M. Kerouad

Physica A: Statistical Mechanics and its Applications, 1998, vol. 250, issue 1, 384-393

Abstract: The transverse Ising model with four spin interactions is studied within the finite cluster approximation (FCA), on a honeycomb and a square lattice. We have investigated the influence of the four spin interactions on the phase diagrams of the system and on both longitudinal and transversal magnetizations. We have also shown that the tricritical phenomenon exists only for low values of the transverse field.

Date: 1998
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:250:y:1998:i:1:p:384-393

DOI: 10.1016/S0378-4371(97)00555-4

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