4 research outputs found

    Structural Relaxation and Mode Coupling in a Simple Liquid: Depolarized Light Scattering in Benzene

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    We have measured depolarized light scattering in liquid benzene over the whole accessible temperature range and over four decades in frequency. Between 40 and 180 GHz we find a susceptibility peak due to structural relaxation. This peak shows stretching and time-temperature scaling as known from α\alpha relaxation in glass-forming materials. A simple mode-coupling model provides consistent fits of the entire data set. We conclude that structural relaxation in simple liquids and α\alpha relaxation in glass-forming materials are physically the same. A deeper understanding of simple liquids is reached by applying concepts that were originally developed in the context of glass-transition research.Comment: submitted to New J. Phy

    Surface conduction in porous polycarbonate membranes

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    This work is based on the student thesis by Sabine Wiebel UPTEC 96 099R, June 1996</p

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