Two-scale competition in phase separation with shear

Abstract

The behavior of a phase separating binary mixture in uniform shear flow is investigated by numerical simulations and in a renormalization group (RG) approach. Results show the simultaneous existence of domains of two characteristic scales. Stretching and cooperative ruptures of the network produce a rich interplay where the recurrent prevalence of thick and thin domains determines log-time periodic oscillations. A power law growth $R(t)\sim t^{\alpha }$ of the average domain size, with $\alpha =4/3$ and $\alpha =1/3$ in the flow and shear direction respectively, is shown to be obeyed.

5 Revtex pages, 4 figures

References in corpus (1)

• Phase Separation under Shear in Two-dimensional Binary Fluids

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