Aging in a free-energy landscape model for glassy relaxation

被引：26
作者：
Diezemann, G [1 ]
机构：
[1] Univ Mainz, Inst Chem Phys, D-55099 Mainz, Germany
来源：
JOURNAL OF CHEMICAL PHYSICS | 2005年 / 123卷 / 20期
关键词：
D O I：
10.1063/1.2128700
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The aging properties of a simple free-energy landscape model for the primary relaxation in supercooled liquids are investigated. The intermediate scattering function and the rotational correlation functions are calculated for the generic situation of a quench from a high temperature to below the glass transition temperature. It is found that the reequilibration of molecular orientations takes longer than for translational degrees of freedom. The time scale for reequilibration is determined by that of the primary relaxation as an intrinsic property of the model. (c) 2005 American Institute of Physics.
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页数：9
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