Asymptotic aging in structural glasses
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2004
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American Physical Society
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Abstract
Using a nonlocal Monte Carlo algorithm, we study the aging of a fragile glass, being able to follow it up to equilibrium, down to 0.89T_(MC) (T_(MC) is the mode-coupling temperature), and up to long 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 behavior of the aging part of the correlation supports the full-aging scenario.
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© 2004 American Physical Society. We thank A. Cavagna, B. Coluzzi, L. A. Fernández, and F. Sciortino for discussions. Simulations used the full RTN3 cluster of U. Zaragoza for six months. V.M.-M. was partially supported by MCyT (Spain) (Ramón y Cajal program, FPA2001-1813 and FPA2000-0956). P.V. was supported by the ECHP programme, Contract No. HPRN-CT-2002-00307, DYGLAGEMEM.