Small-number statistics near the clustering transition in a compartementalized granular gas

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Mikkelsen, Rene and Weele, Ko van der and Meer, Devaraj van der and Hecke, Martin van and Lohse, Detlef (2005) Small-number statistics near the clustering transition in a compartementalized granular gas. Physical Review E: Statistical, nonlinear, and soft matter physics, 71 (4). 041302. ISSN 1539-3755

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Abstract:Statistical fluctuations are observed to profoundly influence the clustering behavior of granular material in a vibrated system consisting of two connected compartments. When the number of particles N is sufficiently large sN<300 is sufficientd, the clustering follows the lines of a standard second-order phase transition and a mean-field description works. For smaller N, however, the enhanced influence of statistical fluctuations breaks the mean-field behavior. We quantitatively describe the competition between fluctuations and mean-field behavior sas a function of Nd using a dynamical flux model and molecular dynamics simulations.
Item Type:Article
Copyright:© 2005 The American Physical Society
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/54107
Official URL:http://dx.doi.org/10.1103/PhysRevE.71.041302
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