Brownian dynamics of a sphere between parallel walls

E. R. Dufresne, D. Altman, D. G. Grier

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We describe direct imaging measurements of a colloidal sphere's diffusion between two parallel surfaces. The dynamics of this deceptively simple hydrodynamically coupled system have proved difficult to analyze. Comparison with approximate formulations of a confined sphere's hydrodynamic mobility reveals good agreement with both a leading-order superposition approximation as well as a more general all-images stokeslet analysis.

    Original languageEnglish (US)
    Pages (from-to)264-270
    Number of pages7
    JournalEurophysics Letters
    Volume53
    Issue number2
    DOIs
    StatePublished - Jan 11 2001

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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