Spin Chern numbers and time-reversal-symmetry-broken quantum spin Hall effect
Sheng Li (盛利), Li Hui-Chao (李会超), Yang Yun-You (杨运友), Sheng Dong-Ning (盛冬宁), Xing Ding-Yu (邢定钰)
Chin. Phys. B . 2013, (6): 67201 -067201 .  DOI: 10.1088/1674-1056/22/6/067201