Tunable ground-state solitons in spin–orbit coupling Bose–Einstein condensates in the presence of optical lattices

Zhang Huafeng^{1, 2, †}, Chen Fang^{1, 2}, Yu Chunchao^{1, 2}, Sun Lihui^{1, 2}, Xu Dahai²

(color online) The dependence of spin polarization on (a) the SOC strength for different lattice depths (blue solid line), (red solid line), (blue dashed line), (red dashed line), and (blue dot line); the dependence of spin polarization on (b) the lattice depth at . Other parameters are and .