Mobile vector soliton in a spin–orbit coupled spin-1 condensate

摘要: We study the formation of bound states and three-component bright vector solitons in a quasi-one-dimensional spin-orbit-coupled hyperfine spin $f=1$ Bose-Einstein condensate using numerical solution variational approximation mean-field model. In antiferromagnetic domain, solutions are time-reversal symmetric, component densities have multi-peak structure. ferromagnetic violate symmetry, single-peak The dynamics system is not Galelian invariant. From an analysis invariance, we establish that true can move maintaining constant densities, whereas cannot with densities.