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Asymmetric Loop Spectra and Unbroken Phase Protection due to Nonlinearities in PT-Symmetric Periodic Potentials
https://oist.repo.nii.ac.jp/records/2244
https://oist.repo.nii.ac.jp/records/22445f837a01-c9ae-4ef4-a666-403dc3d6df0c
名前 / ファイル | ライセンス | アクション |
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Zhang-2021-Asymmetric Loop Spectra and Unbroke (779.7 kB)
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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 | 2021-09-08 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Asymmetric Loop Spectra and Unbroken Phase Protection due to Nonlinearities in PT-Symmetric Periodic Potentials | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | GROSS-PITAEVSKII | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | EQUATION | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | OPTICAL LATTICES | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | GAP SOLITONS | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | INSTABILITY | |||||
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, Yongping
× Zhang, Yongping× Chen, Zhu× Wu, Biao× Busch, Thomas× Konotop, Vladimir V. |
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書誌情報 |
en : Physical Review Letters 巻 127, 号 3, p. 034101, 発行日 2021-07-13 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | We demonstrate that the interplay between a nonlinearity and PT symmetry in a periodic potential results in peculiar features of nonlinear periodic solutions. These include thresholdless symmetry breaking and asymmetric (multi-)loop structures of the nonlinear Bloch spectrum, persistence of unbroken PT symmetry even after the gap is closed, nonmonotonic dependence of the PT phase transition on the defocusing nonlinearity, and enhanced stability of the nonlinear states corresponding to the loop structures. The asymmetry and the loop structure of the spectrum are explained within the framework of a two-mode approximation and an effective potential theory and are validated numerically. | |||||
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 | 0031-9007 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1079-7114 | |||||
PubMed番号 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | PMID | |||||
関連識別子 | info:pmid/34328764 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevLett.127.034101 | |||||
権利 | ||||||
権利情報 | © 2021 American Physical Society | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.127.034101 | |||||
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 |