Field effect on the dynamics of the Ising spin glass near the percolation threshold

The effect of a uniform field H on the dynamics of the Ising spin glass FexZn1-xF2, x=0.25, is studied through Monte Carlo simulations. The correlation function data are consistent with the droplets picture, with a single scaling variable t/tw, where tw is the waiting time under H, activation over logarithmic energy barriers near the percolation threshold, xp=0.24, and considerable change of the glassy phase for intermediate and high H.

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Year of publication:	2007
Authors:	de Lima, K.A.P. ; Raposo, E.P. ; Coutinho-Filho, M.D.
Published in:	Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 386.2007, 2, p. 644-647
Publisher:	Elsevier
Subject:	Spin glass \| Disordered antiferromagnet

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10010590849