Nonequilibrium Fluctuations in Sedimenting Suspensions: A Dynamical Renormalization Group Theory

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dc.creatorLevine, Alex
dc.creatorRamaswamy, Sriram
dc.creatorBruinsma, Robijn
dc.date1996-10-07
dc.date.accessioned2026-07-07T09:11:12Z
dc.date.available2026-07-07T09:11:12Z
dc.descriptionA nonlinear two-fluid stochastic hydrodynamical description of velocity and concentration fluctuations in sedimenting suspensions is constructed, and analyzed using self-consistent (SC) and renormalization group (RG) methods. The advection of particles by velocity fluctuations is shown to be ``relevant'' in all dimensions $d < 6$ . Both RG and SC analyses predict a strong reduction in the dependence of velocity fluctuations on system-size $L$ relative to the $L^{1/2}$ obtained in the linearized theory of Caflisch and Luke [Phys. Fluids {\bf 28}, 785 (1985)]. This is an important step towards resolving a ten-year old puzzle in the field.
dc.descriptionFour pages, revtex, two .eps files, uses epsf.sty
dc.identifierhttps://arxiv.org/abs/cond-mat/9610042
dc.identifierhttp://arxiv.org/abs/cond-mat/9610042
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/151596
dc.subjectSoft Condensed Matter
dc.titleNonequilibrium Fluctuations in Sedimenting Suspensions: A Dynamical Renormalization Group Theory
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