Numéro
J. Phys. I France
Volume 4, Numéro 10, October 1994
Page(s) 1367 - 1372
DOI https://doi.org/10.1051/jp1:1994108
DOI: 10.1051/jp1:1994108
J. Phys. I France 4 (1994) 1367-1372

Short Communication

Confirmation of Rieger definition of Ising clusters

Uwe Gropengiesser

Institute of Theoretical Physics, University of Cologne, 50923 Köln, Germany


(Received 28 July 1994, received in final form 3 August 1994, accepted 17 August 1994)

Abstract
A very simple definition of Ising clusters was introduced by Rieger which joins spins with an average individual magnetization opposite to the global magnetization. Involving percolation methods we get very good agreements between the critical temperatures and the percolation thresholds of diluted and undiluted Ising systems in various dimensions.



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