A schematic model of glassy relaxation through dynamic coupling with defect motions

Das, Shankar P. ; Srivastava, Sudha (2000) A schematic model of glassy relaxation through dynamic coupling with defect motions Physics Letters A, 266 (1). pp. 58-66. ISSN 0375-9601

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/S0375-9601(99)00856-7

Abstract

A self-consistent mode-coupling model for relaxation of density fluctuations in a supercooled liquid in the presence of slowly relaxing defect densities is proposed. The time scale for the final relaxation of the density correlations, in the glassy dynamics is self-consistently determined with that of the defects present in the amorphous system. The exponents of relaxation over various time scales and contribution to the transport coefficients from the mode-coupling effects are calculated.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:93971
Deposited On:30 Jun 2012 12:29
Last Modified:30 Jun 2012 12:29

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