Predicting the Long-Time Dynamic Heterogeneity in a Supercooled Liquid on the Basis of Short-Time Heterogeneities

Asaph Widmer-Cooper and Peter Harrowell
Phys. Rev. Lett. 96, 185701 – Published 10 May 2006

Abstract

We report that the local Debye-Waller factor in a simulated 2D glass-forming mixture exhibits significant spatial heterogeneities and that these short-time fluctuations provide an excellent predictor of the spatial distribution of the long-time dynamic propensities [Phys. Rev. Lett. 93, 135701 (2004)]. In contrast, the potential energy per particle of the inherent structure does not correlate well with the spatially distributed dynamics.

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  • Received 1 December 2005

DOI:https://doi.org/10.1103/PhysRevLett.96.185701

©2006 American Physical Society

Authors & Affiliations

Asaph Widmer-Cooper and Peter Harrowell

  • School of Chemistry, University of Sydney, Sydney New South Wales, 2006, Australia

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Issue

Vol. 96, Iss. 18 — 12 May 2006

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