{"created":"2023-10-26T06:32:04.307453+00:00","id":2000121,"links":{},"metadata":{"_buckets":{"deposit":"65969442-d1d1-4484-9620-6f36c27ff69f"},"_deposit":{"created_by":17,"id":"2000121","owner":"17","owners":[17],"pid":{"revision_id":0,"type":"depid","value":"2000121"},"status":"published"},"_oai":{"id":"oai:ynu.repo.nii.ac.jp:02000121","sets":["1006:1009"]},"author_link":[],"control_number":"2000121","item_2_biblio_info_8":{"attribute_name":"bibliographic_information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2023-10-16","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"9","bibliographic_titles":[{"bibliographic_title":"npj Quantum Information","bibliographic_titleLang":"en"}]}]},"item_2_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Entanglements serve as a resource for any quantum information system and are deterministically generated or swapped by a joint measurement called complete Bell state measurement (BSM). The determinism arises from a quantum nondemolition measurement of two coupled qubits with the help of readout ancilla, which inevitably requires extra physical qubits. We here demonstrate a deterministic and complete BSM with only a nitrogen atom in a nitrogen-vacancy (NV) center in diamond as a quantum memory without relying on any carbon isotopes, which are the extra qubits, by exploiting electron‒nitrogen (14N) double qutrits at a zero magnetic field. The degenerate logical qubits within the subspace of qutrits on the electron and nitrogen spins are holonomically controlled by arbitrarily polarized microwave and radiofrequency pulses via zero-field-split states as the ancilla, thus enabling the complete BSM deterministically. Since the system works under an isotope-free and field-free environment, the demonstration paves the way to realize high-fidelity quantum repeaters for long-haul quantum networks and quantum interfaces for large-scale distributed quantum computers.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_2_publisher_35":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Springer Nature","subitem_publisher_language":"en"}]},"item_2_relation_13":{"attribute_name":"item_2_relation_13","attribute_value_mlt":[{"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.1038/s41534-023-00771-z","subitem_relation_type_select":"DOI"}}]},"item_2_source_id_9":{"attribute_name":"item_2_source_id_9","attribute_value_mlt":[{"subitem_source_identifier":"20566387","subitem_source_identifier_type":"EISSN"}]},"item_2_version_type_18":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open 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Keidai","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"0009-0000-8917-2527","nameIdentifierScheme":"ORCID","nameIdentifierURI":"https://orcid.org/0009-0000-8917-2527"}]},{"creatorAffiliations":[{"affiliationNames":[{"affiliationName":"Department of Physics, Graduate School of Engineering Science, Yokohama National University","affiliationNameLang":"en"}]}],"creatorNames":[{"creatorName":"Mikata, Kosuke","creatorNameLang":"en"}]},{"creatorAffiliations":[{"affiliationNames":[{"affiliationName":"Institute for Advanced Sciences (IAS), Yokohama National University","affiliationNameLang":"en"}]},{"affiliationNames":[{"affiliationName":"Quantum Information Research Center (QIC), Yokohama National University","affiliationNameLang":"en"}]}],"creatorNames":[{"creatorName":"Sekiguchi, Yuhei","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"0000-0002-8850-4646","nameIdentifierScheme":"ORCID","nameIdentifierURI":"https://orcid.org/0000-0002-8850-4646"}]},{"creatorAffiliations":[{"affiliationNames":[{"affiliationName":"Institute for Advanced Sciences (IAS), Yokohama National University","affiliationNameLang":"en"}]},{"affiliationNames":[{"affiliationName":"Quantum Information Research Center (QIC), Yokohama National University","affiliationNameLang":"en"}]},{"affiliationNames":[{"affiliationName":"Department of Physics, Graduate School of Engineering Science, Yokohama National University","affiliationNameLang":"en"}]}],"creatorNames":[{"creatorName":"Kosaka, Hideo","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"0000-0002-3778-7236","nameIdentifierScheme":"ORCID","nameIdentifierURI":"https://orcid.org/0000-0002-3778-7236"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2023-10-26"}],"displaytype":"detail","fileDate":[{"fileDateType":"Issued","fileDateValue":"2023-10-16"}],"filename":"20231016_Deterministic Bell state measurement with a single quantum.pdf","filesize":[{"value":"2.7 MB"}],"format":"application/pdf","licensetype":"license_0","mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://ynu.repo.nii.ac.jp/record/2000121/files/20231016_Deterministic Bell state measurement with a single quantum.pdf"},"version_id":"f019b89d-b0f7-4438-ab14-bc3f91809a73"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"Quantum information, Quantum optics","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"item_resource_type","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Deterministic Bell state measurement with a single quantum memory","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Deterministic Bell state measurement with a single quantum memory","subitem_title_language":"en"}]},"item_type_id":"2","owner":"17","path":["1009"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2023-10-26"},"publish_date":"2023-10-26","publish_status":"0","recid":"2000121","relation_version_is_last":true,"title":["Deterministic Bell state measurement with a single quantum memory"],"weko_creator_id":"17","weko_shared_id":-1},"updated":"2024-10-24T05:23:18.901932+00:00"}