Journal Article

PreJuSER-50950

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Many-Body Hydrodynamic Interactions in Charge-Stabilized Suspensions

Banchio, A. J. ; Gapinski, J. ; Patkowski, A. ; Häußler, W. ; Fluerasu, A. ; Sacanna, S. ; Holmqvist, P.FZJ* ; Meier, G.FZJ* ; Lettinga, M. P.FZJ* ; Nägele, G.FZJ*

2006
APS College Park, Md.

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Please use a persistent id in citations: http://hdl.handle.net/2128/1204  doi:10.1103/PhysRevLett.96.138303

Abstract: In this joint experimental-theoretical work we study hydrodynamic interaction effects in dense suspensions of charged colloidal spheres. Using x-ray photon correlation spectroscopy we have determined the hydrodynamic function H(q), for a varying range of electrosteric repulsion. We show that H(q) can be quantitatively described by means of a novel Stokesian dynamics simulation method for charged Brownian spheres, and by a modification of a many-body theory developed originally by Beenakker and Mazur. Very importantly, we can explain the behavior of H(q) for strongly correlated particles without resorting to the controversial concept of hydrodynamic screening, as was attempted in earlier work by Riese et al.

Keyword(s): J

Note: Record converted from VDB: 12.11.2012

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Contributing Institute(s):

1. Weiche Materie (IFF-IWM)

Research Program(s):

1. Kondensierte Materie (P54)

Appears in the scientific report 2006
Notes: This version is available at the following Publisher URL: http://prl.aps.org

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