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Rydberg-Induced Topological Solitons in Three-Dimensional Rotation Spin–Orbit-Coupled Bose–Einstein Condensates |
| Yang Wang1,2†, Jinlong Cui1,2†, Hongkai Zhang1,2, Yuan Zhao1,3, Siliu Xu1,3*, and Qin Zhou4* |
1Key Laboratory of Optoelectronic Sensing and Intelligent Control, Hubei University of Science and Technology, Xianning 437100, China
2School of Electronic and Information Engineering, Hubei University of Science and Technology, Xianning 437100, China
3School of Biomedical Engineering and Imaging, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
4Research Center of Nonlinear Science, School of Mathematics and Physical Sciences, Wuhan Textile University, Wuhan 430200, China
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| Cite this article: |
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Yang Wang, Jinlong Cui, Hongkai Zhang et al 2024 Chin. Phys. Lett. 41 090302 |
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Abstract We present a novel approach for generating stable three-dimensional (3D) spatiotemporal solitons (SSs) within a rotating Bose–Einstein condensate, incorporating spin–orbit coupling (SOC), a weakly anharmonic potential and cold Rydberg atoms. This intricate system facilitates the emergence of quasi-stable 3D SSs with topological charges $\left\vert m \right \vert \le 3$ in two spinor components, potentially exhibiting diverse spatial configurations. Our findings reveal that the Rydberg long-range interaction, spin–orbit coupling, and rotational angular frequency exert significant influence on the domains of existence and stability of these solitons. Notably, the Rydberg interaction contributes to a reduction in the norm of topological solitons, while the SOC plays a key role in stabilizing the SSs with finite topological charges. This research of SSs exhibits potential applications in precision measurement, quantum information processing, and other advanced technologies.
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Received: 26 June 2024
Published: 02 September 2024
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| PACS: |
03.75.Lm
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(Tunneling, Josephson effect, Bose-Einstein condensates in periodic potentials, solitons, vortices, and topological excitations)
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33.80.Rv
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(Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states))
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71.70.Ej
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(Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect)
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