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Detection of roton and phonon excitations in a spin-orbit-coupled Bose-Einstein condensate with a moving barrier
https://oist.repo.nii.ac.jp/records/2737
https://oist.repo.nii.ac.jp/records/2737906a0acd-6e5f-4b4d-9807-47c727df6e5e
名前 / ファイル | ライセンス | アクション |
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Lyu-2022-Detection of roton and phonon excitat_vor (1.1 MB)
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CC BY 4.0
Creative Commons Attribution 4.0 International (https://creativecommons.org/licenses/by/4.0/) |
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-08-04 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Detection of roton and phonon excitations in a spin-orbit-coupled Bose-Einstein condensate with a moving barrier | |||||
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) |
Lyu, Hao
× Lyu, Hao× Zhang, Yongping× Busch, Thomas |
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書誌情報 |
en : Physical Review A 巻 106, 号 1, p. 013302, 発行日 2022-07-05 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | We propose to detect phonon and roton excitations in a two-dimensional Bose-Einstein condensate with Raman-induced spin-orbit coupling by perturbing the atomic cloud with a weak barrier. The two excitation modes can be observed by moving the barrier along different directions in appropriate parameter regimes. Phonon excitations are identified by the appearance of solitary waves, while roton excitations lead to distinctive spatial density modulations. We show that this method can also be used to determine the anisotropic critical velocities of superfluid. | |||||
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.106.013302 | |||||
権利 | ||||||
権利情報 | © 2022 American Physical Society | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://journals.aps.org/pra/abstract/10.1103/PhysRevA.106.013302 | |||||
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 |