Theory for superconductivity in (Tl,K)FexSe2 as a doped Mott insulator Yi Zhou, Dong-Hui Xu, Fu-Chun Zhang and Wei-Qiang Chen EPL, 95 1 (2011) 17003 Published online: 14 June 2011 DOI: 10.1209/0295-5075/95/17003