Multicritical behaviour of the antiferromagnetic spin-32 Blume-Capel model

A. Bakchich, S. Bekhechi and A. Benyoussef

Physica A: Statistical Mechanics and its Applications, 1994, vol. 210, issue 3, 415-423

Abstract: The multicritical behaviour of the spin-32 Ising model on the square lattice with nearest-neighbour antiferromagnetic exchange interaction (J<0), a crystal-field interaction (D) and an external magnetic field (H) is studied within mean field approximation (M.F.A.). The phase diagram exhibits a rich variety of behaviour: second order, first order and critical points of different order.

Date: 1994
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:210:y:1994:i:3:p:415-423

DOI: 10.1016/0378-4371(94)90089-2

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