論文

査読有り
2007年3月

Parisi function for the Ising spin glass in cluster approximations

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
  • Terufumi Yokota

310
2
開始ページ
E518
終了ページ
E519
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1016/j.jmmm.2006.10.657
出版者・発行元
ELSEVIER SCIENCE BV

The Ising spin glass is investigated close to the spin glass transition temperature. Parisi's order parameter function and the de Almeida-Thouless (AT) line are obtained in various cluster approximations. A class of cluster approximations introduced by Baviera, Pasquini, and Serva, the Bethe approximation and cactus approximations are used to study effects of fluctuations on the replica symmetry breaking. Fluctuations seem to cause reduction in the slope of the order parameter function. The locus of the AT line for a cluster approximation changes from that for the Sherrington-Kirkpatrick (SK) model and the change seems to be affected by the existence of a loop in a cluster. (c) 2006 Elsevier B.V. All rights reserved.

リンク情報
DOI
https://doi.org/10.1016/j.jmmm.2006.10.657
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000247618700091&DestApp=WOS_CPL
ID情報
  • DOI : 10.1016/j.jmmm.2006.10.657
  • ISSN : 0304-8853
  • Web of Science ID : WOS:000247618700091

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