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 frequencies (blue solid line), (red solid line), (blue dashed line), and (red dashed line); the dependence of spin polarization on (b) the lattice frequency at . Other parameters are and .