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Universal holonomic quantum gates over geometric spin qubits with polarised microwaves
http://hdl.handle.net/10131/00011963
http://hdl.handle.net/10131/00011963338f58b1-1d4d-4334-abfb-8ec1675d0308
名前 / ファイル | ライセンス | アクション |
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s41467-018-05664-w.pdf (2.9 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-08-24 | |||||
タイトル | ||||||
タイトル | Universal holonomic quantum gates over geometric spin qubits with polarised microwaves | |||||
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 |
Nagata, Kodai
× Nagata, Kodai× Kuramitani, Kouyou× Sekiguchi, Yuhei× Kosaka, Hideo |
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著者所属 | ||||||
Yokohama National University | ||||||
著者所属 | ||||||
Yokohama National University | ||||||
著者所属 | ||||||
Yokohama National University | ||||||
著者所属 | ||||||
Yokohama National University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A microwave shares a nonintuitive phase called the geometric phase with an interacting electron spin after an elastic scattering. The geometric phase, generally discarded as a global phase, allows universal holonomic gating of an ideal logical qubit, which we call a geometric spin qubit, defined in the degenerate subspace of the triplet spin qutrit. We here experimentally demonstrate nonadiabatic and non-abelian holonomic quantum gates over the geometric spin qubit on an electron or nitrogen nucleus. We manipulate purely the geometric phase with a polarised microwave in a nitrogen-vacancy centre in diamond under a zero-magnetic field at room temperature. We also demonstrate a two-qubit holonomic gate to show universality by manipulating the electron−nucleus entanglement. The universal holonomic gates enable fast and fault-tolerant manipulation for realising quantum repeaters interfacing between universal quantum computers and secure communication networks. | |||||
書誌情報 |
Nature Communications 巻 9, 発行日 2018-08-13 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 20411723 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12645905 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1038/s41467-018-05664-w | |||||
権利 | ||||||
権利情報 | © The Author(s) 2018. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. | |||||
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 | |||||
出版者 | ||||||
出版者 | Nature Publishing Group |