Brownian Dynamics of a Sphere Between Parallel Walls
arXiv:cond-mat/0008316 · doi:10.1209/epl/i2001-00147-6
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.
4 pages, 3 figures, REVTeX with PostScript figures
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