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Like-Charge Attraction and Hydrodynamic Interaction

Todd M. Squires and Michael P. Brenner
Phys. Rev. Lett. 85, 4976 – Published 4 December 2000
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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 (London) 385, 230 (1997)], using a single unmeasured parameter.

  • Received 19 January 2000

DOI:https://doi.org/10.1103/PhysRevLett.85.4976

©2000 American Physical Society

Authors & Affiliations

Todd M. Squires1 and Michael P. Brenner2

  • 1Department of Physics, Harvard University, Cambridge, Massachusetts 02138
  • 2Department of Mathematics, MIT, Cambridge, Massachusetts 02139

See Also

Why Like Charges Attract

Phys. Rev. Focus 6, 25 (2000)

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Issue

Vol. 85, Iss. 23 — 4 December 2000

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