Quantized vortices in spinor Bose–Einstein condensates with time–space modulated interactions and stability analysis

doi:10.1088/1674-1056/aba09f

中国物理B ›› 2020, Vol. 29 ›› Issue (10): 103701-.doi: 10.1088/1674-1056/aba09f

Yu-Qin Yao(姚玉芹)¹^,†(), Ji Li(李吉)²

收稿日期:2020-05-12 修回日期:2020-06-19 接受日期:2020-06-29 出版日期:2020-10-05 发布日期:2020-10-05
通讯作者: Yu-Qin Yao(姚玉芹)

Quantized vortices in spinor Bose–Einstein condensates with time–space modulated interactions and stability analysis

Yu-Qin Yao(姚玉芹)^1,† and Ji Li(李吉)²

¹ Department of Applied Mathematics, China Agricultural University, Beijing 102206, China
² Department of Physics, Taiyuan Normal University, Taiyuan 030031, China

Received:2020-05-12 Revised:2020-06-19 Accepted:2020-06-29 Online:2020-10-05 Published:2020-10-05
Contact: ^†Corresponding author. E-mail: yyqinw@126.com
About author:
†Corresponding author. E-mail: yyqinw@126.com
* Project supported by the Beijing Natural Science Foundation, China (Grand No. 1182009) and the National Natural Science Foundation of China (Grant No. 11471182).

摘要/Abstract

Abstract:

The three-component Gross–Pitaevskii equation with an angular momentum rotational term can be served as a model to study spinor Bose–Einstein condensates (BECs) with time–space modulated interactions. Vortex solutions of the spinor BECs with spatiotemporally modulated interactions are worked out by similarity transformation. Theoretical analysis and numerical simulation of vortex states are demonstrated. Stable vortex states are obtained by adjusting the frequency of the external potential and the spatiotemporally modulated interaction.

Key words: spinor Bose-Einstein condensates, spatiotemporal modulation, vortex solution, dynamical stability

中图分类号: (Atom interferometry techniques)

37.25.+k

03.75.Dg (Atom and neutron interferometry)

Yu-Qin Yao(姚玉芹), Ji Li(李吉). [J]. 中国物理B, 2020, 29(10): 103701-.

Yu-Qin Yao(姚玉芹)† and Ji Li(李吉). Quantized vortices in spinor Bose–Einstein condensates with time–space modulated interactions and stability analysis[J]. Chin. Phys. B, 2020, 29(10): 103701-.

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Quantized vortices in spinor Bose–Einstein condensates with time–space modulated interactions and stability analysis

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