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Nonequilibrium fluctuation-induced Casimir pressures in liquid mixtures

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Kirkpatrick, T. R. and Ortiz de Zárate Leira, José María and Sengers, Jan V. (2016) Nonequilibrium fluctuation-induced Casimir pressures in liquid mixtures. Physical review E, 93 (3). ISSN 1539-3755

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Official URL: http://dx.doi.org/10.1103/PhysRevE.93.032117


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Abstract

In this article we derive expressions for Casimir-like pressures induced by nonequilibrium concentration fluctuations in liquid mixtures. The results are then applied to liquid mixtures in which the concentration gradient results from a temperature gradient through the Soret effect. A comparison is made between the pressures induced by nonequilibrium concentration fluctuations in liquid mixtures and those induced by nonequilibrium temperature fluctuations in one-component fluids. Some suggestions for experimental verification procedures are also presented.


Item Type:Article
Additional Information:

©2016 American Physical Society.
The authors acknowledge valuable discussions with Jeremy N. Munday of the University of Maryland. The research at the University of Maryland was supported by the U.S. National Science Foundation under Grant No. DMR-1401449. The research at Universidad Complutense was funded by the Spanish State Secretary of Research under Grant No. FIS2014-58950-C2-2-P.

Uncontrolled Keywords:Asymptotic time behavior; Light-scattering; Steady-state; Binary-liquids; Fluid mixtures; Induced forces; Diffusion; Thermophoresis; Equilibrium; Particles
Subjects:Sciences > Physics > Thermodynamics
ID Code:37530
Deposited On:05 May 2016 14:10
Last Modified:06 May 2016 08:01

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