We study solitons in a spin-1 Bose–Einstein condensates with SU(3)spin–orbit coupling.We obtain the ground state and the metastable solution for solitons with attractive interactions by the imaginary-time evolution ...We study solitons in a spin-1 Bose–Einstein condensates with SU(3)spin–orbit coupling.We obtain the ground state and the metastable solution for solitons with attractive interactions by the imaginary-time evolution method.Compared with the SU(2)spin–orbit coupling,it is found that the solitons in SU(3)spin–orbit coupling show a new feature due to breaking the symmetry.The solitons called the composite solitons have mixing manifolds of ferromagnetic and antiferromagnetic states.This has stimulated people to study the topological excitation properties of SU(3)spin–orbit coupling and it is expected to find new quantum phases.展开更多
基金support from the NSF of China under grant no.11604193the supported by Innovation project for graduate students in Shanxi Province(grant no.2019SY305).
文摘We study solitons in a spin-1 Bose–Einstein condensates with SU(3)spin–orbit coupling.We obtain the ground state and the metastable solution for solitons with attractive interactions by the imaginary-time evolution method.Compared with the SU(2)spin–orbit coupling,it is found that the solitons in SU(3)spin–orbit coupling show a new feature due to breaking the symmetry.The solitons called the composite solitons have mixing manifolds of ferromagnetic and antiferromagnetic states.This has stimulated people to study the topological excitation properties of SU(3)spin–orbit coupling and it is expected to find new quantum phases.
