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Frequency Ratio of 199Hg and 87Sr Optical Lattice Clocks beyond the SI Limit
http://hdl.handle.net/2261/57052
http://hdl.handle.net/2261/5705207be150b-2e44-475f-a2ad-787cfd958eca
名前 / ファイル | ライセンス | アクション |
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PhysRevLett.114.230801.pdf (780.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-06-30 | |||||
タイトル | ||||||
タイトル | Frequency Ratio of 199Hg and 87Sr Optical Lattice Clocks beyond the SI Limit | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Yamanaka, Kazuhiro
× Yamanaka, Kazuhiro× Ohmae, Noriaki× Ushijima, Ichiro× Takamoto, Masao× Katori, Hidetoshi |
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著者所属 | ||||||
著者所属 | Quantum Metrology Laboratory, RIKEN | |||||
著者所属 | ||||||
著者所属 | Innovative Space-Time Project, ERATO, JST | |||||
著者所属 | ||||||
著者所属 | Department of Applied Physics, Graduate School of Engineering, The University of Tokyo | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We report on a frequency ratio measurement of a Hg199-based optical lattice clock referencing a Sr87-based clock. Evaluations of lattice light shift, including atomic-motion-dependent shift, enable us to achieve a total systematic uncertainty of 7.2×10−17 for the Hg clock. The frequency ratio is measured to be νHg/νSr=2.629 314 209 898 909 60(22) with a fractional uncertainty of 8.4×10−17, which is smaller than the uncertainty of the realization of the International System of Units (SI) second, i.e., the SI limit. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | UTokyo Research掲載「水銀・ストロンチウム光格子時計の高精度直接比較に成功」 URI: http://www.u-tokyo.ac.jp/ja/utokyo-research/research-news/highly-precise-comparison-of-mercury-and-strontium-optical-lattice-clocks.html | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | UTokyo Research "Highly-precise comparison of mercury and strontium optical lattice clocks" URI: http://www.u-tokyo.ac.jp/en/utokyo-research/research-news/highly-precise-comparison-of-mercury-and-strontium-optical-lattice-clocks.html | |||||
書誌情報 |
Physical Review Letters 巻 114, 号 23, 発行日 2015-06-10 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1079-7114 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11734748 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevLett.114.230801 | |||||
権利 | ||||||
権利情報 | © 2015 American Physical Society | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | American Physical Society | |||||
関係URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.u-tokyo.ac.jp/ja/utokyo-research/research-news/highly-precise-comparison-of-mercury-and-strontium-optical-lattice-clocks.html | |||||
関係URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.u-tokyo.ac.jp/en/utokyo-research/research-news/highly-precise-comparison-of-mercury-and-strontium-optical-lattice-clocks.html | |||||
関係URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.114.230801 |