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Spin Glasses: Statics and DynamicsA Percolation-theoretic Approach to Spin Glass Phase Transitions

Spin Glasses: Statics and Dynamics: A Percolation-theoretic Approach to Spin Glass Phase Transitions [The magnetically ordered, low temperature phase of Ising ferromagnets is manifested within the associated Fortuin—Kasteleyn (FK) random cluster representation by the occurrence of a single positive density percolating cluster. In this paper, we review our recent work on the percolation signature for Ising spin glass ordering — both in the short-range Edwards—Anderson (EA) and infinite-range Sherrington—Kirkpatrick (SK) models — within a tworeplica FK representation and also in the different Chayes—Machta—Redner two-replica graphical representation. Numerical studies of the ±J EA model in dimension three and rigorous results for the SK model are consistent in supporting the conclusion that the signature of spin-glass order in these models is the existence of a single percolating cluster of maximal density normally coexisting with a second percolating cluster of lower density.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Spin Glasses: Statics and DynamicsA Percolation-theoretic Approach to Spin Glass Phase Transitions

Part of the Progress in Probability Book Series (volume 62)
Editors: de Monvel, Anne Boutet; Bovier, Anton

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References (45)

Publisher
Birkhäuser Basel
Copyright
© Birkhäuser Basel 2009
ISBN
978-3-7643-8999-4
Pages
205 –223
DOI
10.1007/978-3-7643-9891-0_9
Publisher site
See Chapter on Publisher Site

Abstract

[The magnetically ordered, low temperature phase of Ising ferromagnets is manifested within the associated Fortuin—Kasteleyn (FK) random cluster representation by the occurrence of a single positive density percolating cluster. In this paper, we review our recent work on the percolation signature for Ising spin glass ordering — both in the short-range Edwards—Anderson (EA) and infinite-range Sherrington—Kirkpatrick (SK) models — within a tworeplica FK representation and also in the different Chayes—Machta—Redner two-replica graphical representation. Numerical studies of the ±J EA model in dimension three and rigorous results for the SK model are consistent in supporting the conclusion that the signature of spin-glass order in these models is the existence of a single percolating cluster of maximal density normally coexisting with a second percolating cluster of lower density.]

Published: Dec 14, 2009

Keywords: 82B44; 82D30; 82B80; 60K35; 82B43; 05C80; Ising spin glass; percolation; graphical representations; cluster algorithms; Fortuin—Kasteleyn

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