Statistical Mechanics and Dynamics of a 3-Dimensional Glass-Forming System

Details Statistical Mechanics and Dynamics of a 3-Dimensional Glass-Forming System Statistical Mechanics and Dynamics of a 3-Dimensional Glass-Forming System

2009-02-11

arxiv.org/abs/0902.1888v1

Physics

Condensed Matter

Statistical Mechanics

4 pages, 6 figures

Scientific paper

10.1103/PhysRevLett.102.125701

In the context of a classical example of glass-formation in 3-dimensions we exemplify how to construct a statistical mechanical theory of the glass transition. At the heart of the approach is a simple criterion for verifying a proper choice of up-scaled quasi-species that allow the construction of a theory with a finite number of 'states'. Once constructed, the theory identifies a typical scale $\xi$ that increases rapidly with lowering the temperature and which determines the $\alpha$-relaxation time $\tau_\alpha$ as $\tau_\alpha \sim \exp(\mu\xi/T)$ with $\mu$ a typical chemical potential. The theory can predict relaxation times at temperatures that are inaccessible to numerical simulations.

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