Transport of interacting self-propelled Brownian particles in a common ratchet potentialQun Chen, Jian- chun Wu, Cai- tian Hu, Ya-li Ou and Bao-quan AiEur. Phys. J. B, 88 1 (2015) 22DOI: https://doi.org/10.1140/epjb/e2014-50757-0