Shear-thickening and entropy-driven reentrance
arXiv:cond-mat/0507128 · doi:10.1103/PhysRevLett.95.236001
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. Our approach provides a direct derivation of a Mode-Coupling theory of shear-thickening.
4 pages, 4 figures, minor changes, references added
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- Shear thickening of cornstarch suspensions as a re-entrant jamming transition
- A dynamic jamming point for shear thickening suspensions
- Corresponding States of Structural Glass Formers
- Shear thickening of cornstarch suspensions
- Asymmetric exclusion processes with constrained dynamics
- Out-of-equilibrium phase re-entrance(s) in long-range interacting systems
- The random Blume-Capel model on cubic lattice: first order inverse freezing in a 3D spin-glass system
- Spin-Glass Model for Inverse Freezing
- An order parameter equation for the dynamic yield stress in dense colloidal suspensions
- Inverse transitions and disappearance of the λ-line in the asymmetric random field Ising and Blume-Capel models