Quantum phases and spectrum of collective modes in a spin-1 BEC with spin-orbital-angular-momentum coupling

Paramjeet Banger, Rajat, Arko Roy +1

Motivated by the recent experiments [Chen et al., Phys. Rev. Lett 121, 113204 (2018), Chen et al., Phys. Rev. Lett. 121, 250401 (2018)], we investigate the low-lying excitation spe…