Supercurrent-carrying supersolid in spin-orbit-coupled Bose-Einstein condensates
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866916204100190208 |
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| author | Lyu, Hao Chen, Yuanyuan Zhu, Qizhong Zhang, Yongping |
| author_facet | Lyu, Hao Chen, Yuanyuan Zhu, Qizhong Zhang, Yongping |
| contents | One of brilliant achievements in spin-orbit-coupled Bose-Einstein condensates is the discovery and observation of the supersolid stripe states. So far, all studied supersolid stripe states do not carry supercurrent. In this work, we reveal the existence of supercurrent-carrying supersolids in spin-orbit-coupled Bose-Einstein condensates. The supersolid family has a parabolic-like dispersion relation and carries supercurrent which is proportional to the quasimomentum. Energetic and dynamical instabilities can break supercurrent-carrying ability of this supersolid family. An insightful interpretation of the dynamical instability of supercurrent-carrying supersolids from the pure plane-wave phase is provided. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2311_13786 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Supercurrent-carrying supersolid in spin-orbit-coupled Bose-Einstein condensates Lyu, Hao Chen, Yuanyuan Zhu, Qizhong Zhang, Yongping Quantum Gases One of brilliant achievements in spin-orbit-coupled Bose-Einstein condensates is the discovery and observation of the supersolid stripe states. So far, all studied supersolid stripe states do not carry supercurrent. In this work, we reveal the existence of supercurrent-carrying supersolids in spin-orbit-coupled Bose-Einstein condensates. The supersolid family has a parabolic-like dispersion relation and carries supercurrent which is proportional to the quasimomentum. Energetic and dynamical instabilities can break supercurrent-carrying ability of this supersolid family. An insightful interpretation of the dynamical instability of supercurrent-carrying supersolids from the pure plane-wave phase is provided. |
| title | Supercurrent-carrying supersolid in spin-orbit-coupled Bose-Einstein condensates |
| topic | Quantum Gases |
| url | https://arxiv.org/abs/2311.13786 |