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Chaotic few-body vortex dynamics in rotating Bose-Einstein condensates
https://oist.repo.nii.ac.jp/records/1085
https://oist.repo.nii.ac.jp/records/108507caf971-657c-4edd-b163-375f2d2104fa
名前 / ファイル | ライセンス | アクション |
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PhysRevFluids.4.054701 (976.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-09-04 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Chaotic few-body vortex dynamics in rotating Bose-Einstein condensates | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Zhang, Tiantian
× Zhang, Tiantian× Schloss, James× Thomasen, Andreas× O'Riordan, Lee James× Busch, Thomas× White, Angela |
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書誌情報 |
en : Physical Review Fluids 巻 4, 号 5, p. 054701, 発行日 2019-05-09 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | We investigate a small vortex-lattice system of four corotating vortices in an atomic Bose-Einstein condensate and find that the vortex dynamics display chaotic behavior after a system quench introduced by reversing the direction of circulation of a single vortex through a phase-imprinting process. By tracking the vortex trajectories and Lyapunov exponent, we show the onset of chaotic dynamics is not immediate, but occurs at later times and is accelerated by the close approach and separation of all vortices in a scattering event. The techniques we develop could potentially be applied to create locally induced chaotic dynamics in larger lattice systems as a stepping stone to study the role of chaotic events in turbulent vortex dynamics. | |||||
出版者 | ||||||
出版者 | American Physical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2469-990X | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevFluids.4.054701 | |||||
権利 | ||||||
権利情報 | ©2019 American Physical Society | |||||
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識別子タイプ | URI | |||||
関連識別子 | https://journals.aps.org/prfluids/abstract/10.1103/PhysRevFluids.4.054701 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |