paper

Aging Effects in a Lennard-Jones Glass

arXiv:cond-mat/9704006 · doi:10.1103/PhysRevLett.78.4581

Abstract

Using molecular dynamics simulations we study the out of equilibrium dynamic correlations in a model glass-forming liquid. The system is quenched from a high temperature to a temperature below its glass transition temperature and the decay of the two-time intermediate scattering function C(t_w,t+t_w) is monitored for several values of the waiting time t_w after the quench. We find that C(t_w,t+t_w) shows a strong dependence on the waiting time, i.e. aging, depends on the temperature before the quench and, similar to the case of spin glasses, can be scaled onto a master curve.

9 pages of RevTex, 5 postscript figures

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