| Spinor F=1 Bose–Einstein condensates loaded in two types of radially-periodic potentials with spin–orbit coupling |
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| 作者单位： | 1.Department of Mathematics and Physics, Shijiazhuang TieDao University, Shijiazhuang 050043, China;2.Institute of Applied Physics, Shijiazhuang TieDao University, Shijiazhuang 050043, China |
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| 基金项目： | 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). |
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| 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.
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| 收稿时间： | 2021-05-11 |
Spinor F=1 Bose-Einstein condensates loaded in two types of radially-periodic potentials with spin-orbit coupling |
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| Affiliation: | 1.Department of Mathematics and Physics, Shijiazhuang TieDao University, Shijiazhuang 050043, China;2.Institute of Applied Physics, Shijiazhuang TieDao University, Shijiazhuang 050043, China |
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| 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. |
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| Keywords: | spinor Bose-Einstein condensates spin-orbit coupling radially-periodic potential |
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