期刊
PHYSICS LETTERS A
卷 383, 期 24, 页码 2983-2987出版社
ELSEVIER
DOI: 10.1016/j.physleta.2019.06.029
关键词
Relaxation; Kohlrausch-Williams-Watts function; Modeling
In this paper the physical meaning of the empirical Kohlrausch-Williams-Watts (KWW) function is explained in terms of the linear oscillator theory. It is shown that the KWW function is a solution of the non-autonomous linear first order equation for an overdamped linear oscillator. From the linear oscillator model it follows that the KWW-type relaxation is the linear relaxation with a time (coordinate, stress, voltage, etc.) dependent dissipation of energy. The theoretical results are validated by measurements. A method for modeling KWW-type relaxation using simple electrical circuits is proposed. (C) 2019 Elsevier B.V. All rights reserved.
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