This article has an erratum: [erratum]
Volume 67, Number 3, August 2004
|Page(s)||460 - 463|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||01 July 2004|
The role of cluster dynamics in the α-relaxation of supercooled liquids
Department of Physics, Bar-Ilan University - Ramat-Gan, 52900, Israel
Corresponding author: firstname.lastname@example.org
Accepted: 17 May 2004
The effect is considered of molecules leaving a cluster, within which their dielectric α-relaxation is described by a stretched exponential function . It is shown that an increase in their rate of leaving can lead to the relaxation of the system's polarization being described by a stretched exponential function with a stretching exponent larger than α and a relaxation time smaller than . The implications of this for time-temperature superposition and other properties of supercooled liquids are discussed.
PACS: 77.22.Gm – Dielectric loss and relaxation
© EDP Sciences, 2004
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