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A Langevin Description for Driven GranularGases

Published online by Cambridge University Press:  18 July 2011

Abstract

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The study of the fluctuations in the steady state of a heated granular system isreviewed. A Boltzmann-Langevin description can be built requiring consistency with theequations for the one- and two-particle correlation functions. From the Boltzmann-Langevinequation, Langevin equations for the total energy and the transverse velocity field arederived. The existence of a fluctuation-dissipation relation for the transverse velocityfield is also studied.

Information

Type
Research Article
Copyright
© EDP Sciences, 2011