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Current production in ring condensates with a weak link
https://oist.repo.nii.ac.jp/records/1937
https://oist.repo.nii.ac.jp/records/1937e1b1d4a1-f3c6-42a0-b612-b3c3f25d85e9
名前 / ファイル | ライセンス | アクション |
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Pérez-Obiol-2020-Current production in ring co (4.8 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-02-17 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Current production in ring condensates with a weak link | |||||
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) |
Pérez-Obiol, Axel
× Pérez-Obiol, Axel× Polo, Juan× Cheon, Taksu |
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書誌情報 |
en : Physical Review A 巻 102, 号 6, p. 063302, 発行日 2020-12-03 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | We consider attractive and repulsive condensates in a ring trap stirred by a weak link, and analyze the spectrum of solitonic trains dragged by the link, by means of analytical expressions for the wave functions, energies, and currents. The precise evolution of current production and destruction in terms of defect formation in the ring and in terms of stirring is studied. We find that any excited state can be coupled to the ground state through two proposed methods: either by adiabatically tuning the link's strength and velocity through precise cycles which avoid the critical velocities and thus unstable regions or by keeping the link still while setting an auxiliary potential and imprinting a nonlinear phase as the potential is turned off. We also analyze hysteresis cycles through the spectrum of energies and currents. | |||||
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 | 2469-9926 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2469-9934 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevA.102.063302 | |||||
権利 | ||||||
権利情報 | © 2020 American Physical Society. | |||||
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識別子タイプ | URI | |||||
関連識別子 | https://journals.aps.org/pra/abstract/10.1103/PhysRevA.102.063302 | |||||
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 |