Sudden collapse of a granular cluster

Roger M. van der Meer, J.P. van der Weele, Detlef Lohse

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Single clusters in a vibro-fluidized granular gas in N connected compartments become unstable at strong shaking. They are experimentally shown to collapse very abruptly. The observed cluster lifetime (as a function of the driving intensity) is analytically calculated within a flux model, making use of the self-similarity of the process. After collapse, the cluster diffuses out into the uniform distribution in a self-similar way, with an anomalous diffusion exponent 1/3.
Original languageUndefined
Pages (from-to)174302-1-174302-4
Number of pages4
JournalPhysical review letters
Issue number17
Publication statusPublished - 2002


  • METIS-211507
  • IR-45132

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