Temperature, density, and pressure dependence of relaxation times in supercooled liquids

We have examined experimental and simulation data on the relaxation times (τα) and the viscosities in liquids and supercooled liquids as functions of temperature (T), density (ρ), and pressure (p). We achieve a data collapse by placing the data on master curves that depend only on a single density-...

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Bibliographic Details
Published in:The Journal of chemical physics 2002-03, Vol.116 (12), p.5033-5038
Main Authors: Alba-Simionesco, Christiane, Kivelson, Daniel, Tarjus, Gilles
Format: Article
Language:English
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Summary:We have examined experimental and simulation data on the relaxation times (τα) and the viscosities in liquids and supercooled liquids as functions of temperature (T), density (ρ), and pressure (p). We achieve a data collapse by placing the data on master curves that depend only on a single density- and species-dependent (but T independent) effective interaction energy, E∞(ρ).
ISSN:0021-9606
1089-7690
DOI:10.1063/1.1452724