Quasielastic light scattering (QLS) in propylene glycol is measured in a temperature interval 95--320 K in order to study the fast relaxation processes. A model of the fast relaxation is proposed that predicts the growth of the QLS as a function of the free volume. By fitting the experimental data on QLS within the framework of the model, the Vogel-Fulcher-Tammann temperature T₀ was found. The latter is in good agreement with the value of T₀ determined from the temperature dependence of the {α}-relaxation time. {} 1996 The American Physical Society.
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Kojima et al. (1996) studied this question.
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