Volume 53, Number 2, January 2001
|Page(s)||264 - 270|
|Section||Interdisciplinary physics and related areas of science and technology|
|Published online||01 December 2003|
Brownian dynamics of a sphere between parallel walls
Department of Physics, James Franck Institute and
Institute for Biophysical Dynamics
The University of Chicago - Chicago, IL 60637, USA
Accepted: 8 November 2000
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.
PACS: 82.70.Dd – Colloids
© EDP Sciences, 2001
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