Kumar, D. ; Shenoy, S. R. (1986) Hierarchical energy barriers, hierarchical constraints, and nonexponential decays in glasses Solid State Communications, 57 (12). pp. 927-931. ISSN 0038-1098
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0038-1098(86)90926-9
Abstract
Activated hopping over hierarchical barriers in several dimensions is shown, by a combination of scaling and Haken's slaving principle, to yield both power law and Kohlrausch stretched-exponential decays. This generalization of restricted 1D results shows that barrier models are as versatile as constraint models in describing glassy relaxation, and in fact can clarify certain constraint model assumptions.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 75739 |
| Deposited On: | 26 Dec 2011 12:33 |
| Last Modified: | 26 Dec 2011 13:40 |
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