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Shear-thickening and the glass transition

Presented by: 
J Kurchan [ESPCI Paris]
Date: 
Tuesday 16th May 2006 - 14:15 to 15:15
Venue: 
INI Seminar Room 1
Abstract: 

Some liquids become more viscous when sheared, even to the point of jamming completely. In some cases, this phenomenon can be interpreted as a shear-induced glass transition. A theory that explains shear-thickening in these systems must simultaneously provide an explanation for their glass transition, and, conversely, a theory of the glass transition must naturally incorporate shear-thickening in order to be credible. I will describe a schematic model that reproduces qualitatively the observations, and makes several predictions, some of which have been already tested.

University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons