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Shear-thickening and entropy-driven reentrance | Mauro Sellitto
; Jorge Kurchan
; | Date: |
6 Jul 2005 | Subject: | Statistical Mechanics | cond-mat.stat-mech | Abstract: | We discuss a generic mechanism for shear-thickening analogous to entropy-driven phase reentrance. We implement it in the context of non-relaxational mean-field glassy systems: although very simple, the microscopic models we study present a dynamical phase diagram with second and first order stirring-induced jamming transitions leading to intermittency, metastability and phase coexistence as seen in some experiments. The jammed state is fragile with respect to change in the stirring direction. The models provide a direct derivation of a Mode-Coupling theory of shear-thickening. | Source: | arXiv, cond-mat/0507128 | Other source: | [GID 813788] pmid16384320 | Services: | Forum | Review | PDF | Favorites |
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