Volume 47, Number 4, August II 1999
|449 - 455
|Condensed matter: structure, mechanical and thermal properties
|01 September 2002
Energy landscape and overlap distribution of binary Lennard-Jones glasses
Institut für Theoretische Physik, Universität Göttingen Bunsenstr. 9, D-37073 Göttingen, Germany
Accepted: 5 July 1999
We study the distribution of overlaps of glassy minima, taking proper care of residual symmetries of the system. Ensembles of locally stable, low-lying glassy states are efficiently generated by rapid cooling from the liquid phase which has been equilibrated at a temperature Trun. Varying Trun, we observe a transition from a regime where a broad range of states are sampled to a regime where the system is almost always trapped in a metastable glassy state. We do not observe any structure in the distribution of overlaps of glassy minima, but find only very weak correlations, comparable in size to those of two liquid configurations.
PACS: 61.43.Fs – Glasses / 64.70.Pf – Glass transitions
© EDP Sciences, 1999
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