KAÏDI, H; BICKEL, Thomas; BENHAMOU, M.

doi:10.1209/epl/i2004-10305-4

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KAÏDI, H
Laboratoire de Physique des Polymères et Phénomènes Critiques [Casablanca] [LPPPC]

BICKEL, Thomas
Centre de physique moléculaire optique et hertzienne [CPMOH]

BENHAMOU, M.
Laboratoire de Physique des Polymères et Phénomènes Critiques [Casablanca] [LPPPC]

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EPL - Europhysics Letters. 2005-01-01, vol. 69, n° 1, p. 15-21

European Physical Society/EDP Sciences/Società Italiana di Fisica/IOP Publishing

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We investigate the equilibrium properties of a colloidal solution in contact with a soft interface. As a result of symmetry breaking, surface effects are generally prevailing in confined colloidal systems. In this Letter, particular emphasis is given to surface fluctuations and their consequences on the local (re)organization of the suspension. It is shown that particles experience a significant effective interaction in the vicinity of the interface. This potential of mean force is always attractive, with range controlled by the surface correlation length. We suggest that, under some circumstances, surface-induced attraction may have a strong influence on the local particle distribution.< Leer menos

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colloids

membrane

potential of mean force

Classical statistical mechanics

Disperse systems Complex fluids

Membranes bilayers and vesicles

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Surface-mediated attraction between colloids

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