on Friday, July 9, 2010

Author(s): Peter Eshuis, Ko van der Weele, Detlef Lohse, and Devaraj van der Meer

We construct a ratchet of the Smoluchowski-Feynman type, consisting of four vanes that are allowed to rotate freely in a vibrofluidized granular gas. The necessary out-of-equilibrium environment is provided by the inelastically colliding grains, and the equally crucial symmetry breaking by applying ...

[Phys. Rev. Lett. 104, 248001] Published Wed Jun 16, 2010