Granular Brownian Motor
arXiv:cond-mat/0611283 · doi:10.1209/0295-5075/77/50003
Abstract
An asymmetric object, undergoing dissipative collisions with surrounding particles, acquires a nonzero average velocity. The latter is calculated analytically by an expansion of the Boltzmann equation and the result is compared with Monte Carlo simulations.
5 pages, 4 figures, submitted to EPL