The topological quantum phase transitions in Lieb lattice driven by the Rashba SOC and exchange field Rui Wang, Qian Qiao, Bin Wang, Xiu-Huan Ding and Yi-Fu Zhang Eur. Phys. J. B, 89 9 (2016) 192 Published online: 07 September 2016 DOI: 10.1140/epjb/e2016-70176-5