{"created":"2021-03-01T06:17:14.328916+00:00","id":694,"links":{},"metadata":{"_buckets":{"deposit":"3e5e8998-6283-4be7-9cb6-1d3947813102"},"_deposit":{"id":"694","owners":[],"pid":{"revision_id":0,"type":"depid","value":"694"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00000694","sets":["6:153:154","9:10:11"]},"item_2_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2015-06-10","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"23","bibliographicVolumeNumber":"114","bibliographic_titles":[{"bibliographic_title":"Physical Review Letters"}]}]},"item_2_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"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.","subitem_description_type":"Abstract"}]},"item_2_description_6":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"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","subitem_description_type":"Other"},{"subitem_description":"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","subitem_description_type":"Other"}]},"item_2_publisher_20":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"American Physical Society"}]},"item_2_relation_11":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"info:doi/10.1103/PhysRevLett.114.230801","subitem_relation_type_select":"DOI"}}]},"item_2_relation_25":{"attribute_name":"関係URI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://www.u-tokyo.ac.jp/ja/utokyo-research/research-news/highly-precise-comparison-of-mercury-and-strontium-optical-lattice-clocks.html","subitem_relation_type_select":"URI"}},{"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://www.u-tokyo.ac.jp/en/utokyo-research/research-news/highly-precise-comparison-of-mercury-and-strontium-optical-lattice-clocks.html","subitem_relation_type_select":"URI"}},{"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.114.230801","subitem_relation_type_select":"URI"}}]},"item_2_rights_12":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"© 2015 American Physical Society"}]},"item_2_select_14":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_select_item":"publisher"}]},"item_2_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11734748","subitem_source_identifier_type":"NCID"}]},"item_2_source_id_8":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1079-7114","subitem_source_identifier_type":"ISSN"}]},"item_2_text_4":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"Quantum Metrology Laboratory, RIKEN"},{"subitem_text_value":"Innovative Space-Time Project, ERATO, JST"},{"subitem_text_value":"Department of Applied Physics, Graduate School of Engineering, The University of Tokyo"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Yamanaka, Kazuhiro"}],"nameIdentifiers":[{"nameIdentifier":"2515","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Ohmae, Noriaki"}],"nameIdentifiers":[{"nameIdentifier":"2516","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Ushijima, Ichiro"}],"nameIdentifiers":[{"nameIdentifier":"2517","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Takamoto, Masao"}],"nameIdentifiers":[{"nameIdentifier":"2518","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Katori, Hidetoshi"}],"nameIdentifiers":[{"nameIdentifier":"2519","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-05-30"}],"displaytype":"detail","filename":"PhysRevLett.114.230801.pdf","filesize":[{"value":"780.2 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"PhysRevLett.114.230801.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/694/files/PhysRevLett.114.230801.pdf"},"version_id":"2f30f9a4-fff3-42a5-85ed-83c6212f99fd"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Frequency Ratio of 199Hg and 87Sr Optical Lattice Clocks beyond the SI Limit","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Frequency Ratio of 199Hg and 87Sr Optical Lattice Clocks beyond the SI Limit"}]},"item_type_id":"2","owner":"1","path":["11","154"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-06-30"},"publish_date":"2015-06-30","publish_status":"0","recid":"694","relation_version_is_last":true,"title":["Frequency Ratio of 199Hg and 87Sr Optical Lattice Clocks beyond the SI Limit"],"weko_creator_id":"1","weko_shared_id":2},"updated":"2022-12-19T03:41:42.145604+00:00"}