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Pump-probe spectroscopy of Bose polarons: Dynamical formation and coherence
https://oist.repo.nii.ac.jp/records/1798
https://oist.repo.nii.ac.jp/records/1798ea36be2b-8a27-43e5-aedb-5a510fb2d2b3
名前 / ファイル | ライセンス | アクション |
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Mistakidis-2020-Pump-probe spectroscopy of Bos (2.0 MB)
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Creative Commons Attribution 4.0 International(https://creativecommons.org/licenses/by/4.0/)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-11-17 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Pump-probe spectroscopy of Bose polarons: Dynamical formation and coherence | |||||
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) |
Mistakidis, S. I.
× Mistakidis, S. I.× Katsimiga, G. C.× Koutentakis, G. M.× Busch, Th.× Schmelcher, P. |
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書誌情報 |
en : Physical Review Research 巻 2, 号 3, p. 033380, 発行日 2020-09-09 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | We propose and investigate a pump-probe spectroscopy scheme to unveil the time-resolved dynamics of fermionic or bosonic impurities immersed in a harmonically trapped Bose-Einstein condensate. In this scheme a pump pulse initially transfers the impurities from a noninteracting to a resonantly interacting spin state and, after a finite time in which the system evolves freely, the probe pulse reverses this transition. This directly allows us to monitor the nonequilibrium dynamics of the impurities as the dynamical formation of coherent attractive or repulsive Bose polarons and signatures of their induced interactions are imprinted in the probe spectra. We show that for interspecies repulsions exceeding the intraspecies ones a temporal orthogonality catastrophe occurs, followed by enhanced energy redistribution processes, independently of the impurity's flavor. This phenomenon takes place over the characteristic trap timescales. For much longer timescales a steady state is reached characterized by substantial losses of coherence of the impurities. This steady state is related to eigenstate thermalization and it is demonstrated to be independent of the system's characteristics. | |||||
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 | 2643-1564 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevResearch.2.033380 | |||||
権利 | ||||||
権利情報 | © 2020 American Physical Society. | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://journals.aps.org/prresearch/abstract/10.1103/PhysRevResearch.2.033380 | |||||
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 |