Asymptotic aging in structural glasses
arXiv:cond-mat/0307643 · doi:10.1103/PhysRevB.70.014202
Abstract
Using a non-local Monte Carlo algorithm, we study the aging of a fragile glass, being able to follow it up to equilibibrium down to 0.89 Tmc (Tmc is the Mode-Coupling temperature) and up to unprecedentedly large waiting times at lower temperatures. We show that the fluctuation-dissipation ratio is independent of the dynamics chosen and is compatible with a phase transition, and that the scaling behaviour of the aging part of the correlation supports the full-aging scenario.
Major rewrite; accepted for publication in PRB. (5 pages, 4 figures)