Exactly solvable model exhibiting a multicritical point

R.M. Hornreich, Marshall Luban and S. Shtrikman

Physica A: Statistical Mechanics and its Applications, 1977, vol. 86, issue 2, 465-470

Abstract: A hypercubic d-dimensional lattice of spins with nearest neighbor ferromagnetic coupling and next nearest neighbor antiferromagnetic coupling along a single axis is studied in the spherical model limit (n→∞) and is found to exhibit a multicritical point of the uniaxial Lifshitz type. The shape of the λ line is calculated explicitly in the vicinity of the multicritical point, and analytic expressions are given for the shift exponent ψ(d) and its amplitudes A±(d). The amplitude A_(d) changes sign for d = 3.

Date: 1977
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:86:y:1977:i:2:p:465-470

DOI: 10.1016/0378-4371(77)90042-5

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