Short-wavelength collective modes in a binary hard-sphere mixture

Details Short-wavelength collective modes in a binary hard-sphere mixture Short-wavelength collective modes in a binary hard-sphere mixture

2005-09-14

arxiv.org/abs/cond-mat/0509356v2

Physical Review A, 41, 3214 (1990)

Physics

Condensed Matter

Soft Condensed Matter

Published; withdrawn since already published. Ordering in the archive gives misleading impression of new publication

Scientific paper

10.1103/PhysRevA.41.3214

We use hard-sphere generalized hydrodynamic equations to discuss the extended hydrodynamic modes of a binary mixture. The theory presented here is analytic and it provides us with a simple description of the collective excitations of a dense binary mixture at molecular length scales. The behavior we predict is in qualitative agreement with molecular-dynamics results for soft-sphere mixtures. This study provides some insight into the role of compositional disorder in forming glassy configurations.

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