Theory of Nonlinear Rheology and Yielding of Dense Colloidal Suspensions

Matthias Fuchs and Michael E. Cates
Phys. Rev. Lett. 89, 248304 – Published 25 November 2002

Abstract

A first-principles approach to the nonlinear flow of dense suspensions is presented which captures shear thinning of colloidal fluids and dynamical yielding of colloidal glasses. The advection of density fluctuations plays a central role, suppressing the caging of particles and speeding up structural relaxation. A mode coupling approach is developed to explore these effects.

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  • Received 14 March 2002

DOI:https://doi.org/10.1103/PhysRevLett.89.248304

©2002 American Physical Society

Authors & Affiliations

Matthias Fuchs* and Michael E. Cates

  • Department of Physics and Astronomy, The University of Edinburgh, JCMB King’s Buildings, Edinburgh EH9 3JZ, United Kingdom

  • *Permanent address: Physik-Department, Technische Universität München, 85747 Garching, Germany.

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Issue

Vol. 89, Iss. 24 — 9 December 2002

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