Superfluid-insulator transition of two-species bosons with spin-orbit coupling
Superfluid-insulator transition of two-species bosons with spin-orbit coupling
Motivated by recent experiments [Y. J. Lin et al., Nature (London) 471, 83 (2011)], we study Mott phases and superfluid-insulator (SI) transitions of two-species ultracold bosonic atoms in a two-dimensional square optical lattice with nearest-neighbor hopping amplitude $t$ and in the presence of a spin-orbit coupling characterized by a tunable …