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cond-mat.dis-nn2006★ 3 cited
Universal behavior of internal friction in glasses below T : anharmonicity vs relaxation
Jacques Pelous, Claire Levelut
Comparison of the internal friction at hypersonic frequencies between a few K and the glass transition temperature Tg for various glasses brings out general features. At low temper…
cond-mat.dis-nn2006
Dynamic sound attenuation at hypersonic frequencies in silica glass
Claire Levelut, Rozenn Le Parc, Jacques Pelous
In order to clarify the origin of the dominant processes responsible for the acoustic attenuation of phonons, which is a much debatted topic, we present Bril louin scattering exper…