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Abstract: Glasses are structurally liquid-like, but mechanically solid-like. Mostattempts to understand glasses start from liquid state theory. Here we take theopposite point of view, and use concepts from solid state physics. We determinethe vibrational modes of a colloidal glass experimentally, and find softlow-frequency modes that are very different in nature from the usual acousticvibrations of ordinary solids. These modes extend over surprisingly largelength scales.



Autor: Antina Ghosh, Vijayakumar K. Chikkadi, Peter Schall, Jorge Kurchan, Daniel Bonn

Fuente: https://arxiv.org/







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