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Like-charge attraction through hydrodynamic interaction

, and . Phys. Rev. Lett., 85 (23): 4976--4979 (2000)

Abstract

We demonstrate that the attractive interaction measured between like-charged colloidal spheres near a wall can be accounted for by a nonequilibrium hydrodynamic effect. We present both analytical results and Brownian dynamics simulations which quantitatively capture the one-wall experiments of Larsen and Grier (Nature 385, p. 230, 1997).

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