Spatiotemporal Bloch states of a spin–orbit coupled Bose–Einstein condensate in an optical lattice
Wei Ya-Wen, Kong Chao, Hai Wen-Hua †
       

The flow density Jj versus SOC strength γ. The parameters are chosen as Γ=0.1, Nt=5, V0=1, g=0.6, and g12=0.4. The superfluid density J1+ (J2+) increases (decreases) with increasing SOC strength, and conversely for J 1 − and J 2 − .