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

M. Cristina Marchetti, Supurna Sinha

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)3214-3226
Number of pages13
JournalPhysical Review A
Issue number6
StatePublished - 1990
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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