Theory of nonlinear rheology and yielding of dense colloidal suspensions

被引：281
|
作者：
Fuchs, M
Cates, ME
机构：
[1] Univ Edinburgh, Dept Phys & Astron, Edinburgh EH9 3JZ, Midlothian, Scotland
[2] Tech Univ Munich, Dept Phys, D-85747 Garching, Germany
来源：
PHYSICAL REVIEW LETTERS | 2002年 / 89卷 / 24期
关键词：
D O I：
10.1103/PhysRevLett.89.248304
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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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页数：4
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