Phase diagram for spin glasses with uniaxial anisotropy

S. A. Roberts; A. J. Bray

doi:10.1088/0022-3719/15/16/003

Phase diagram for spin glasses with uniaxial anisotropy

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Abstract

A model of spin glasses containing single-ion uniaxial anisotropy is solved within (replica-symmetric) mean-field theory. For small anisotropy strength D, two phase transitions are predicted as the temperature is reduced. The first transition involves the freezing of the spin component(s) corresponding to the easy axis (axes). At the second transition the remaining spin components freeze. For sufficiently large mod D mod , only the first of these transitions occurs.

Original language	English
Article number	003
Pages (from-to)	L527-L531
Journal	Journal of Physics C: Solid State Physics
Volume	15
Issue number	16
DOIs	https://doi.org/10.1088/0022-3719/15/16/003
Publication status	Published - 1982

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title = "Phase diagram for spin glasses with uniaxial anisotropy",

abstract = "A model of spin glasses containing single-ion uniaxial anisotropy is solved within (replica-symmetric) mean-field theory. For small anisotropy strength D, two phase transitions are predicted as the temperature is reduced. The first transition involves the freezing of the spin component(s) corresponding to the easy axis (axes). At the second transition the remaining spin components freeze. For sufficiently large mod D mod , only the first of these transitions occurs.",

author = "Roberts, {S. A.} and Bray, {A. J.}",

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AU - Bray, A. J.

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AB - A model of spin glasses containing single-ion uniaxial anisotropy is solved within (replica-symmetric) mean-field theory. For small anisotropy strength D, two phase transitions are predicted as the temperature is reduced. The first transition involves the freezing of the spin component(s) corresponding to the easy axis (axes). At the second transition the remaining spin components freeze. For sufficiently large mod D mod , only the first of these transitions occurs.

U2 - 10.1088/0022-3719/15/16/003

DO - 10.1088/0022-3719/15/16/003

M3 - Article

SN - 0022-3719

VL - 15

SP - L527-L531

JO - Journal of Physics C: Solid State Physics

JF - Journal of Physics C: Solid State Physics

IS - 16

M1 - 003

ER -

Phase diagram for spin glasses with uniaxial anisotropy

Abstract

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