The approach to steady state in microemulsions under shear flow

Domenico Suppa

Physica A: Statistical Mechanics and its Applications, 2003, vol. 320, issue C, 97-109

Abstract: We present an analytical study of the dynamical process of the approach to steady state for a driven diffusive system represented by the microemulsion phase of a ternary mixture. The external applied field is given by a “plane Couette” shear flow and the problem is studied within the framework of a time-dependent Ginzburg–Landau model. A Fokker–Planck equation for the probability distribution of the concentration fluctuations is developed in a self-consistent one-loop approximation and solved exactly, giving an analytical expression for the dynamic correlation functions of the system. For comparison to experimental work, we also show grey-scale plots of the scattering function at different times during the dynamical process for two different shear rates.

Keywords: Non-equilibrium statistical mechanics; Complex fluids (search for similar items in EconPapers)
Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:320:y:2003:i:c:p:97-109

DOI: 10.1016/S0378-4371(02)01655-2

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