Revealing excited states of rotational Bose-Einstein condensates
© 2023 The Author(s)..
Rotational Bose-Einstein condensates can exhibit quantized vortices as topological excitations. In this study, the ground and excited states of the rotational Bose-Einstein condensates are systematically studied by calculating the stationary points of the Gross-Pitaevskii energy functional. Various excited states and their connections at different rotational frequencies are revealed in solution landscapes constructed with the constrained high-index saddle dynamics method. Four excitation mechanisms are identified: vortex addition, rearrangement, merging, and splitting. We demonstrate changes in the ground state with increasing rotational frequencies and decipher the evolution of the stability of ground states.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:5 |
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| Enthalten in: |
Innovation (Cambridge (Mass.)) - 5(2024), 1 vom: 08. Jan., Seite 100546 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yin, Jianyuan [VerfasserIn] |
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| Anmerkungen: |
Date Revised 05.01.2024 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.xinn.2023.100546 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM36660757X |
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| 520 | |a © 2023 The Author(s). | ||
| 520 | |a Rotational Bose-Einstein condensates can exhibit quantized vortices as topological excitations. In this study, the ground and excited states of the rotational Bose-Einstein condensates are systematically studied by calculating the stationary points of the Gross-Pitaevskii energy functional. Various excited states and their connections at different rotational frequencies are revealed in solution landscapes constructed with the constrained high-index saddle dynamics method. Four excitation mechanisms are identified: vortex addition, rearrangement, merging, and splitting. We demonstrate changes in the ground state with increasing rotational frequencies and decipher the evolution of the stability of ground states | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Huang, Zhen |e verfasserin |4 aut | |
| 700 | 1 | |a Cai, Yongyong |e verfasserin |4 aut | |
| 700 | 1 | |a Du, Qiang |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Lei |e verfasserin |4 aut | |
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