The Langevin dynamics of vibrated powders

Mehta, Anita ; Needs, R. J. ; Dattagupta, Sushanta (1992) The Langevin dynamics of vibrated powders Journal of Statistical Physics, 68 (5-6). pp. 1131-1141. ISSN 0022-4715

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We present a microscopic theory of the relaxational behaviour of a granular pile submitted to vibration, elucidating the different roles of collective and independent-particle relaxation. We write down and solve Langevin equations for these processes, which have an explicit coupling. The analysis of the solution in terms of independent-particle and collective relaxations provides a consistent framework for the interpretation of experimental results.

Item Type:Article
Source:Copyright of this article belongs to Springer-Verlag.
Keywords:Langevin Equations; Powders; Sandpiles; Cooperative Dynamics; Relaxational Phenomena
ID Code:9153
Deposited On:29 Oct 2010 11:29
Last Modified:08 Feb 2011 09:06

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