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Prog. Theor. Phys. Supplement No.150 (2003) pp. 297-311

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Breakdown of a Near-Stable Granular Cluster

Devaraj van der Meer and Ko van der Weele

Department of Applied Physics and J.M. Burgers Centre for Fluid Dynamics, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands

Abstract:

Single clusters in a compartmentalized granular gas become unstable at sufficiently strong shaking. Under typical experimental conditions, the cluster remains relatively unaffected for a considerable time τ (the so-called lifetime of the cluster) and then abruptly collapses. Very close to the instability threshold, τ diverges with a critical exponent -1/2. This is explained in terms of a flux model using a mean field potential formulation.


URL : http://ptp.ipap.jp/link?PTPS/150/297/
DOI : 10.1143/PTPS.150.297

[ Full Text PDF : FREE ACCESS (2654K) ] Citation:


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