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Free-volume kinetic models of granular matter | | M. Sellitto
; J.J. Arenzon
; | | Date: |
8 Jun 2000 | | Journal: | Phys. Rev. E 62, 7793 (2000). | | Subject: | Statistical Mechanics | cond-mat.stat-mech | | Abstract: | We show that the main dynamical features of granular media can be understood by means of simple models of fragile-glass forming liquid provided that gravity alone is taken into account. In such lattice-gas models of cohesionless and frictionless particles, the compaction and segregation phenomena appear as purely non-equilibrium effects unrelated to the Boltzmann-Gibbs measure which in this case is trivial. They provide a natural framework in which slow relaxation phenomena in granular and glassy systems can be explained in terms of a common microscopic mechanism given by a free-volume kinetic constraint. | | Source: | arXiv, cond-mat/0006146 | | Services: | Forum | Review | PDF | Favorites | |
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