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Dispersion of relaxation rates in dense liquids and glasses

Morrel H. Cohen and Gary S. Grest
Phys. Rev. B 24, 4091(R) – Published 1 October 1981
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Abstract

The structural relaxation rates, which are crucial in understanding the liquid ↔ glass transition, are investigated within the free-volume theory. We discuss the origin of the observed dispersion of relaxation times and show that it is simply related to the dispersion of the total surface-to-volume ratio of the liquid clusters.

  • Received 17 July 1981

DOI:https://doi.org/10.1103/PhysRevB.24.4091

©1981 American Physical Society

Authors & Affiliations

Morrel H. Cohen*

  • The James Franck Institute and Department of Physics, The University of Chicago, Chicago, Illinois 60637

Gary S. Grest*

  • Department of Physics, Purdue University, West Lafayette, Indiana 47907

  • *Permanent address: Exxon Research and Engineering Company, Linden, N.J. 07036.

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Vol. 24, Iss. 7 — 1 October 1981

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