CLUSTER APPROACH TO SPIN-GLASSES AND THE FRUSTRATED-PERCOLATION PROBLEM

被引：57
|
作者：
CONIGLIO, A
DILIBERTO, F
MONROY, G
PERUGGI, F
机构：
[1] Dipartimento di Scienze Fisiche, Università di Napoli Federico II, 80125 Napoli, Mostra d'Oltremare
来源：
PHYSICAL REVIEW B | 1991年 / 44卷 / 22期
关键词：
D O I：
10.1103/PhysRevB.44.12605
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Exact relations between cluster properties and thermodynamical properties are obtained for an Ising spin glass. The size of the clusters diverges at a temperature higher than the spin-glass transition. The clusters represent fluctuations that interfere with each other giving rise to net correlations of much shorter size than the typical cluster radius. A frustrated-percolation model is introduced that is related to the Ising spin glass as standard percolation is related to the Ising model.
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页码：12605 / 12608
页数：4
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