Dasgupta, Chandan and Valls, Oriol T (1998) Entropic origin of the growth of relaxation times in simple glassy liquids. In: Physical Review, 58 (01). pp. 801-804.
full.pdf - Published Version
Restricted to Registered users only
Download (92Kb) | Request a copy
Transitions between "glassy" local minima of a model free-energy functional for a dense hard-sphere system are studied numerically using a "microcanonical" Monte Carlo method that enables us to obtain the transition probability as a function of the free energy and the Monte Carlo "time." The growth of the height of the effective free-energy barrier with density is found to be consistent with a Vogel-Fulcher law. The dependence of the transition probability on time indicates that this growth is primarily due to an increase in the difficulty of finding low-free-energy paths to other minima.
|Item Type:||Journal Article|
|Additional Information:||Copyright of this article belongs to American Physical Society.|
|Department/Centre:||Division of Physical & Mathematical Sciences > Physics|
|Date Deposited:||15 Jul 2009 10:14|
|Last Modified:||19 Sep 2010 05:24|
Actions (login required)