Diffusion of chiral Janus particles in a sinusoidal channel Xue Ao, P. K. Ghosh, Y. Li, G. Schmid, P. Hänggi and F. Marchesoni EPL, 109 1 (2015) 10003 Published online: 16 January 2015 DOI: 10.1209/0295-5075/109/10003