| Issue |
EPL
Volume 77, Number 5, March 2007
|
|
|---|---|---|
| Article Number | 50003 | |
| Number of page(s) | 5 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/77/50003 | |
| Published online | 16 February 2007 | |
Granular Brownian motor
Hasselt University - B-3590 Diepenbeek, Belgium
Received:
6
November
2006
Accepted:
5
January
2007
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.
PACS: 02.50.-r – Probability theory, stochastic processes, and statistics / 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion
© Europhysics Letters Association, 2007
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