Europhys. Lett, 33 (7), pp. 545-550 (1996)
Universalities in the primary response of condensed matter
R. V. Chamberlin
Department of Physics and Astronomy, Arizona State University, Tempe, AZ 85287-1504, USA
(received 29 September 1995; accepted in final form 18 January 1996)
PACS. 64.70Pf - Glass transitions.
PACS. 75.60Lr - Magnetic aftereffects.
PACS. 77.22Jp - Dielectric breakdown and space-charge effects.
Abstract:In 1863 it was first recognized that materials may exhibit two distinct types of primary response. Although the Kohlrausch-Williams-Watts (KWW) and Curie-von Schweidler (CvS) laws are still in use, observed relaxation is now known to deviate from such simple formulas. In 1990, Dixon et al. discovered a scaling procedure demonstrating that even the deviations from the KWW law are remarkably universal. Here, we introduce a modified Dixon-Nagel scaling for CvS-like behavior, then use a model of mesoscopic domains with internal degrees of freedom to provide a common physical basis for both "universalities".
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