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Noise induces rare events in granular media | | Evgeniy Khain
; Leonard M. Sander
; | | Date: |
7 Sep 2016 | | Abstract: | The granular Leidenfrost effect (B. Meerson et al, Phys. Rev. Lett. {f 91},
024301 (2003), P. Eshuis et al, Phys. Rev. Lett. {f 95}, 258001 (2005)) is
the levitation of a mass of granular matter when a wall below the grains is
vibrated giving rise to a hot granular gas below the cluster. We find by
simulation that for a range of parameters the system is bistable: the levitated
cluster can occasionally break and give rise to two clusters and a hot granular
gas above and below. We use techniques from the theory of rare events to
compute the mean transition time for breaking to occur. This requires the
introduction of a two-component reaction coordinate. | | Source: | arXiv, 1609.2102 | | Services: | Forum | Review | PDF | Favorites | |
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