How entropy and hydrodynamics cooperate in rectifying particle transport S. Martens, G. Schmid, A.V. Straube, L. Schimansky-Geier and P. Hänggi Eur. Phys. J. Special Topics, 222 10 (2013) 2453-2463 Published online: 28 October 2013 DOI: 10.1140/epjst/e2013-02029-4