Karmakar, Smarajit ; Dasgupta, Chandan ; Sastry, Srikanth (2010) Analysis of dynamic heterogeneity in a glass former from the spatial correlations of mobility Physical Review Letters, 105 (1). 015701_1-015701_4. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v105/i1/e015701
Related URL: http://dx.doi.org/10.1103/PhysRevLett.105.015701
Abstract
The growth of characteristic length scales associated with dynamic heterogeneity in glass-forming liquids is investigated in an extensive computational study of a four-point, time-dependent structure factor defined from spatial correlations of mobility, for a model liquid for system sizes extending up to 351232 particles, in constant-energy and constant-temperature ensembles. Our estimates for dynamic correlation lengths and susceptibilities are consistent with previous results from finite size scaling. We find scaling exponents that are inconsistent with predictions from inhomogeneous mode coupling theory and a recent simulation confirmation of these predictions.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 22755 |
| Deposited On: | 24 Nov 2010 08:07 |
| Last Modified: | 10 Feb 2011 04:10 |
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