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arxiv: cond-mat/9710012 · v1 · submitted 1997-10-01 · ❄️ cond-mat.stat-mech

The Dynamics of Supercooled Silica: Acoustic modes and Boson peak

Juergen Horbach , Walter Kob , Kurt Binder (Institute of Physics , Mainz , Germany) This is my paper
classification ❄️ cond-mat.stat-mech
keywords dynamicsfrequencyrangesilicasupercooledacousticagreementaround
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Using molecular dynamics computer simulations we investigate the dynamics of supercooled silica in the frequency range 0.5-20~THz and the wave-vector range 0.13-1.1\AA^{-1}. We find that for small wave-vectors the dispersion relations are in very good agreement with the ones found in experiments and that the frequency at which the boson-peak is observed shows a maximum at around 0.39\AA^{-1}.

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