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Aging in a free-energy landscape model for glassy relaxation
1Institute für Physikalische Chemie, Universität Mainz, Welderweg 11, 55099 Mainz, Federal Republic of Germany. diezeman@mail.uni-mainz.de
Abstract:
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.
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