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Experimental measurement of the intrinsic excitonic wave function
https://oist.repo.nii.ac.jp/records/2135
https://oist.repo.nii.ac.jp/records/2135f05f5998-88d2-42b5-b361-60376eec6646
名前 / ファイル | ライセンス | アクション |
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Man-2021-Experimental measurement of the intri (1.7 MB)
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Creative Commons Attribution-NonCommercial 4.0 International(https://creativecommons.org/licenses/by-nc/4.0/)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-05-25 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Experimental measurement of the intrinsic excitonic wave function | |||||
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) |
Man, Michael K. L.
× Man, Michael K. L.× Madéo, Julien× Sahoo, Chakradhar× Xie, Kaichen× Campbell, Marshall× Pareek, Vivek× Karmakar, Arka× Wong, E Laine× Al-Mahboob, Abdullah× Chan, Nicholas S.× Bacon, David R.× Zhu, Xing× Abdelrasoul, Mohamed M. M.× Li, Xiaoqin× Heinz, Tony F.× da Jornada, Felipe H.× Cao, Ting× Dani, Keshav M. |
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書誌情報 |
en : Science Advances 巻 7, 号 17, p. eabg0192, 発行日 2021-04-21 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | An exciton, a two-body composite quasiparticle formed of an electron and hole, is a fundamental optical excitation in condensed matter systems. Since its discovery nearly a century ago, a measurement of the excitonic wave function has remained beyond experimental reach. Here, we directly image the excitonic wave function in reciprocal space by measuring the momentum distribution of electrons photoemitted from excitons in monolayer tungsten diselenide. By transforming to real space, we obtain a visual of the distribution of the electron around the hole in an exciton. Further, by also resolving the energy coordinate, we confirm the elusive theoretical prediction that the photoemitted electron exhibits an inverted energy-momentum dispersion relationship reflecting the valence band where the partner hole remains, rather than that of conduction band states of the electron. | |||||
出版者 | ||||||
出版者 | American Association for the Advancement of Science | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2375-2548 | |||||
PubMed番号 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | PMID | |||||
関連識別子 | info:pmid/33883143 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1126/sciadv.abg0192 | |||||
権利 | ||||||
権利情報 | © 2021 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://advances.sciencemag.org/content/7/17/eabg0192 | |||||
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 |