Symmetry breaking and coarsening of clusters in a prototypical driven granular gas

Eli Livne, Baruch Meerson, Pavel V. Sasorov

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28 Scopus citations

Abstract

Granular hydrodynamics predicts symmetry-breaking instability in a two-dimensional ensemble of nearly elastically colliding smooth hard disks driven, at zero gravity, by a rapidly vibrating sidewall. Supercritical and subcritical symmetry-breaking bifurcations of the stripe state are identified, and the supercritical bifurcation curve is computed. The cluster dynamics proceed as a coarsening process mediated by the gas phase. Well above the bifurcation point the final steady state, selected by coarsening, represents a single strongly localized densely packed “droplet.”

Original languageAmerican English
Pages (from-to)4
Number of pages1
JournalPhysical Review E
Volume66
Issue number5
DOIs
StatePublished - 19 Nov 2002

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