Spinor F=1 Bose-Einstein condensates loaded in two types of radially-periodic potentials with spin-orbit coupling

doi:10.1088/1674-1056/ac1411

中国物理B ›› 2021, Vol. 30 ›› Issue (10): 106701-106701.doi: 10.1088/1674-1056/ac1411

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

收稿日期:2021-05-11 修回日期:2021-06-19 接受日期:2021-07-14 出版日期:2021-09-17 发布日期:2021-09-30
通讯作者: Ji-Guo Wang E-mail:wangjiguo@stdu.edu.cn
基金资助:
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).

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

Received:2021-05-11 Revised:2021-06-19 Accepted:2021-07-14 Online:2021-09-17 Published:2021-09-30
Contact: Ji-Guo Wang E-mail:wangjiguo@stdu.edu.cn
Supported by:
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).

摘要/Abstract

摘要： 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.

关键词: spinor Bose-Einstein condensates, spin-orbit coupling, radially-periodic potential

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.

Key words: spinor Bose-Einstein condensates, spin-orbit coupling, radially-periodic potential

中图分类号: (Ultracold gases, trapped gases)

67.85.-d

05.30.Jp (Boson systems) 71.70.Ej (Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect) 03.75.Mn (Multicomponent condensates; spinor condensates)

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[J]. 中国物理B, 2021, 30(10): 106701-106701.

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Spinor F=1 Bose-Einstein condensates loaded in two types of radially-periodic potentials with spin-orbit coupling

Spinor F=1 Bose-Einstein condensates loaded in two types of radially-periodic potentials with spin-orbit coupling

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