Spinor F=1 Bose-Einstein condensates loaded in two types of radially-periodic potentials with spin-orbit coupling
Ji-Guo Wang(王继国)1,2,†, Yue-Qing Li(李月晴)1,2, Han-Zhao Tang(唐翰昭)1,2, and Ya-Fei Song(宋亚飞)1,2
1 Department of Mathematics and Physics, Shijiazhuang TieDao University, Shijiazhuang 050043, China; 2 Institute of Applied Physics, Shijiazhuang TieDao University, Shijiazhuang 050043, China
Abstract We consider two-dimensional spinor F=1 Bose-Einstein condensates in two types of radially-periodic potentials with spin-orbit coupling, i.e., spin-independent and spin-dependent radially-periodic potentials. For the Bose-Einstein condensates in a spin-independent radially-periodic potential, the density of each component exhibits the periodic density modulation along the azimuthal direction, which realizes the necklacelike state in the ferromagnetic Bose-Einstein condensates. As the spin-exchange interaction increases, the necklacelike state gradually transition to the plane wave phase for the antiferromagnetic Bose-Einstein condensates with larger spin-orbit coupling. The competition of the spin-dependent radially-periodic potential, spin-orbit coupling, and spin-exchange interaction gives rise to the exotic ground-state phases when the Bose-Einstein condensates in a spin-dependent radially-periodic potential.
Fund: Project supported by the National Natural Science of China (Grant Nos. 11904242 and 12004264) and the Natural Science Foundation of Hebei Province, China (Grant Nos. A2019210280 and A2019210124).
Corresponding Authors:
Ji-Guo Wang
E-mail: wangjiguo@stdu.edu.cn
Cite this article:
Ji-Guo Wang(王继国), Yue-Qing Li(李月晴), Han-Zhao Tang(唐翰昭), and Ya-Fei Song(宋亚飞) Spinor F=1 Bose-Einstein condensates loaded in two types of radially-periodic potentials with spin-orbit coupling 2021 Chin. Phys. B 30 106701
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