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Four-point susceptibility of a glass-forming binary mixture: Brownian dynamics

Grzegorz Szamel, Elijah Flenner

cond-mat.softarXiv:cond-mat/0605244

Abstract

We study the four-point dynamic susceptibility χ4(t) obtained from Brownian dynamics computer simulations of the Kob-Andersen Lennard-Jones mixture. We compare the results of the simulations with qualitative predictions of the mode-coupling theory. In addition, we test an estimate of the four-point susceptibility recently proposed by Berthier et al. [Science, 310, 1797 (2005)].

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