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Title: Velocity distribution of a driven inelastic one-component Maxwell gas.
Authors: Prasad, V.V.
Das, Dibyendu
Sabhapandit, Sanjib
Rajesh, R.
Issue Date: Mar-2017
Publisher: American Physical Society
Citation: Physical Review E, 2017, Vol 95, p032909
Abstract: The nature of the velocity distribution of a driven granular gas, though well studied, is unknown as to whether it is universal or not, and, if universal, what it is. We determine the tails of the steady state velocity distribution of a driven inelastic Maxwell gas, which is a simple model of a granular gas where the rate of collision between particles is independent of the separation as well as the relative velocity. We show that the steady state velocity distribution is nonuniversal and depends strongly on the nature of driving. The asymptotic behavior of the velocity distribution is shown to be identical to that of a noninteracting model where the collisions between particles are ignored. For diffusive driving, where collisions with the wall are modeled by an additive noise, the tails of the velocity distribution is universal only if the noise distribution decays faster than exponential.
Description: Open Access
ISSN: 2470-0053 (Online)
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Copyright: 2017 American Physical Society
Appears in Collections:Research Papers (TP)

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