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

K.A.P. de Lima, E.P. Raposo and M.D. Coutinho-Filho

Physica A: Statistical Mechanics and its Applications, 2007, vol. 386, issue 2, 644-647

Abstract: 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.

Keywords: Spin glass; Disordered antiferromagnet (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:386:y:2007:i:2:p:644-647

DOI: 10.1016/j.physa.2007.07.014

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