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Prasad V.V (Weizmann Institute, Israel)
Date & Time
Thu, 10 January 2019, 14:00 to 15:00
Nambu Discussion Room (Left), ICTS Campus, Bangalore

A central result of the kinetic theory of driven inelastic gases is that the tail of the velocity distribution is a stretched exponential function with an exponent 3/2. However, a derivation of this result starting from a microscopic model is lacking. We consider a microscopic model for a driven inelastic gas where a noise is added during each dissipative collision with a wall. We show by exact analysis that, for physically relevant noise distributions, the tail of the velocity distribution is a Gaussian with additional logarithmic corrections, in contradiction to the kinetic theory result