Brownian dynamics of a sphere between parallel walls

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

doi:10.1209/epl/i2001-00147-6

Brownian dynamics of a sphere between parallel walls

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

Research output: Contribution to journal › Article › peer-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 language	English (US)
Pages (from-to)	264-270
Number of pages	7
Journal	Europhysics Letters
Volume	53
Issue number	2
DOIs	https://doi.org/10.1209/epl/i2001-00147-6
State	Published - Jan 11 2001

ASJC Scopus subject areas

Physics and Astronomy(all)

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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.",

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AB - 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.

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Brownian dynamics of a sphere between parallel walls

Abstract

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