Phase transition in a dzyaloshinsky-moriya spin-glass

G. Kotliar; H. Sompolinsky

doi:10.1103/PhysRevLett.53.1751

Phase transition in a dzyaloshinsky-moriya spin-glass

G. Kotliar^*
, H. Sompolinsky

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

146 Scopus citations

Abstract

A mean-field model of a Heisenberg spin-glass with weak random anisotropy is solved. It is shown that an Ising-like phase transition in a finite magnetic field H occurs at Tc(H)Tc(0)-AH23 in the limit of small H. The crossover to an Ising behavior occurs when DJ>(HJ)23, where D and J are the anisotropy and exchange coupling constants, respectively.

Original language	English
Pages (from-to)	1751-1754
Number of pages	4
Journal	Physical Review Letters
Volume	53
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.53.1751
State	Published - 1984
Externally published	Yes

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abstract = "A mean-field model of a Heisenberg spin-glass with weak random anisotropy is solved. It is shown that an Ising-like phase transition in a finite magnetic field H occurs at Tc(H)Tc(0)-AH23 in the limit of small H. The crossover to an Ising behavior occurs when DJ>(HJ)23, where D and J are the anisotropy and exchange coupling constants, respectively.",

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AB - A mean-field model of a Heisenberg spin-glass with weak random anisotropy is solved. It is shown that an Ising-like phase transition in a finite magnetic field H occurs at Tc(H)Tc(0)-AH23 in the limit of small H. The crossover to an Ising behavior occurs when DJ>(HJ)23, where D and J are the anisotropy and exchange coupling constants, respectively.

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Phase transition in a dzyaloshinsky-moriya spin-glass

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