Theory of nonlinear rheology and yielding of dense colloidal suspensions |
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Authors: | Fuchs Matthias Cates Michael E |
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Affiliation: | Department of Physics and Astronomy, The University of Edinburgh, JCMB King's Buildings, United Kingdom. |
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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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