Off-equilibrium dynamics in the energy landscape of a simple model glass

Details Off-equilibrium dynamics in the energy landscape of a simple model glass Off-equilibrium dynamics in the energy landscape of a simple model glass

2001-06-12

arxiv.org/abs/cond-mat/0106214v2

Physics

Condensed Matter

Soft Condensed Matter

8th International Workshop on Disordered Systems, Andalo (Trento), Italy, March 2001

Scientific paper

10.1080/13642810110085280

The aging dynamics of a simple model glass is numerically investigated observing how it takes place in the potential energy landscape $V$. Partitioning the landscape in basins of minima of $|\nabla V|^2$, we are able to elucidate some interesting topological properties of the aging process. The main result is the characterization of the long time behavior as a jump dynamics between basins of attraction of minima. Moreover we extract some information about the landscape itself, determining quantitatively few parameters describing it, such as the mean energy barrier value and the mean square distance between adjacent minima.

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