PMID: 11909177Mar 23, 2002Paper

Slow dynamics and aging in a nonrandomly frustrated spin system

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
Hui Yin, Bulbul Chakraborty

Abstract

A simple, non-disordered spin model has been studied in an effort to understand the origin of the precipitous slowing down of dynamics observed in supercooled liquids approaching the glass transition. A combination of Monte Carlo simulations and exact calculations indicates that this model exhibits an entropy-vanishing transition accompanied by a rapid divergence of time scales. Measurements of various correlation functions show that the system displays a hierarchy of time scales associated with different degrees of freedom. Extended structures, arising from the frustration in the system, are identified as the source of the slow dynamics. In the simulations, the system falls out of equilibrium at a temperature T(g) higher than the entropy-vanishing transition temperature and the dynamics below T(g) exhibits aging as distinct from coarsening. The cooling rate dependence of the energy is also consistent with the usual glass formation scenario.

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Citations

Feb 3, 2004·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Eunhye KimSung Jong Lee
Dec 31, 2005·Physical Review Letters·Silke Henkes, Bulbul Chakraborty
Mar 16, 2007·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Eunhye KimBongsoo Kim
Sep 28, 2010·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Huai-Lei TangYing Jiang

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