Replica symmetry breaking of the Ising spin glass in the Bethe and cluster approximations

Yokota, Terufumi

The Ising spin glass model in a magnetic field is studied within the Bethe and a related cluster approximations. Using replicas, spin glass order parameter function and the de Almeida-Thouless (AT) line are obtained close to the spin glass transition temperature. The results for the Bethe approximation deviate considerably from those for the Sherrington-Kirkpatrick (SK) model.

Language	:	English
Journal	:	Physics Letters A
Volume	:	356
Number	:	6
Pages	:	p.439 - 445
Publication Year/Month	:	2006/08
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Paper URL	:	https://doi.org/10.1016/j.physleta.2006.04.008
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Keywords	:	no keyword
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InCites™	:	Percentile:41.83 Category:Physics, Multidisciplinary
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Registration No. : AA20060082
JAEA Abstracts No. : 34000987
Paper Submission No. : 1129

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