Diffusion, dispersion, and settling of hard spheres

J. Z. Xue, E. Herbolzheimer, M. A. Rutgers, W. B. Russel, P. M. Chaikin

    Research output: Contribution to journalArticlepeer-review


    Using a multiple light scattering technique and a stabilizing counterflow (i.e., a fluidized bed), we measured the average sedimentation velocity, its variance, and the short-time self-diffusion coefficient in a concentrated hard-sphere suspension. Many-body hydrodynamic interactions slow both the Brownian diffusion and mean sedimentation and provide a novel mechanism for long time dispersion.

    Original languageEnglish (US)
    Pages (from-to)1715-1718
    Number of pages4
    JournalPhysical Review Letters
    Issue number11
    StatePublished - 1992

    ASJC Scopus subject areas

    • General Physics and Astronomy


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