{"id":"https://openalex.org/W2053476024","doi":"https://doi.org/10.1103/physreva.72.062316","title":"Entanglement of trapped-ion clock states","display_name":"Entanglement of trapped-ion clock states","publication_year":2005,"publication_date":"2005-12-09","ids":{"openalex":"https://openalex.org/W2053476024","doi":"https://doi.org/10.1103/physreva.72.062316","mag":"2053476024"},"language":"en","primary_location":{"id":"doi:10.1103/physreva.72.062316","doi":"https://doi.org/10.1103/physreva.72.062316","is_oa":false,"landing_page_url":"https://doi.org/10.1103/physreva.72.062316","pdf_url":null,"source":{"id":"https://openalex.org/S164566984","display_name":"Physical Review A","issn_l":"0556-2791","issn":["0556-2791","1050-2947","1094-1622","1538-4446","2469-9926","2469-9934","2469-9942"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-2","ki-jl-1","norway-2","poland-100","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Review A","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/quant-ph/0508123","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5076870761","display_name":"P. C. Haljan","orcid":"https://orcid.org/0000-0003-0853-9732","observed_orcids":["https://orcid.org/0000-0003-0853-9732"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"P. C. Haljan","raw_affiliation_strings":["FOCUS Center and Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"FOCUS Center and Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037278897","display_name":"P. J. Lee","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"P. J. Lee","raw_affiliation_strings":["FOCUS Center and Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"FOCUS Center and Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110209561","display_name":"Kathy-Anne Brickman","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"K-A. Brickman","raw_affiliation_strings":["FOCUS Center and Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"FOCUS Center and Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109230171","display_name":"M. Acton","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"M. Acton","raw_affiliation_strings":["FOCUS Center and Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"FOCUS Center and Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081471255","display_name":"Louis Deslauriers","orcid":"https://orcid.org/0000-0002-4800-5770","observed_orcids":["https://orcid.org/0000-0002-4800-5770"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"L. Deslauriers","raw_affiliation_strings":["FOCUS Center and Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"FOCUS Center and Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005759724","display_name":"Christopher R. Monroe","orcid":"https://orcid.org/0000-0003-0551-3713","observed_orcids":["https://orcid.org/0000-0003-0551-3713"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"C. Monroe","raw_affiliation_strings":["FOCUS Center and Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"FOCUS Center and Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA","institution_ids":["https://openalex.org/I27837315"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I27837315"],"apc_list":{"value":2675,"currency":"USD","value_usd":2675},"apc_paid":null,"fwci":11.9328,"has_fulltext":true,"cited_by_count":120,"citation_normalized_percentile":{"value":0.98652798,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"72","issue":"6","first_page":"62316","last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":0.9595000147819519,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":0.9595000147819519,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.015599999576807022,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10425","display_name":"Cold Atom Physics and Bose-Einstein Condensates","score":0.011599999852478504,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/entanglement","display_name":"entanglement","score":0.7200000286102295},{"id":"https://openalex.org/keywords/trapped-ion-qubits","display_name":"trapped-ion qubits","score":0.906000018119812},{"id":"https://openalex.org/keywords/mlmer-srensen-gate","display_name":"M\u00f8lmer-S\u00f8rensen gate","score":0.8960000276565552},{"id":"https://openalex.org/keywords/clock-states","display_name":"clock states","score":0.9279999732971191},{"id":"https://openalex.org/keywords/entangled-states","display_name":"entangled states","score":0.5210000276565552},{"id":"https://openalex.org/keywords/quantum-state-tomography","display_name":"quantum state tomography","score":0.8999999761581421},{"id":"https://openalex.org/keywords/trapped-ion-quantum-computing","display_name":"trapped-ion quantum computing","score":0.8550000190734863}],"concepts":[{"id":"https://openalex.org/C121040770","wikidata":"https://www.wikidata.org/wiki/Q215675","display_name":"Quantum entanglement","level":3,"score":0.8548221588134766},{"id":"https://openalex.org/C145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","level":2,"score":0.6057307124137878},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.46560508012771606},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.3049687445163727},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.1079852283000946}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1103/physreva.72.062316","doi":"https://doi.org/10.1103/physreva.72.062316","is_oa":false,"landing_page_url":"https://doi.org/10.1103/physreva.72.062316","pdf_url":null,"source":{"id":"https://openalex.org/S164566984","display_name":"Physical Review A","issn_l":"0556-2791","issn":["0556-2791","1050-2947","1094-1622","1538-4446","2469-9926","2469-9934","2469-9942"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-2","ki-jl-1","norway-2","poland-100","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Review A","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:quant-ph/0508123","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/quant-ph/0508123","pdf_url":"https://arxiv.org/pdf/quant-ph/0508123","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:cds.cern.ch:876958","doi":null,"is_oa":false,"landing_page_url":"http://cds.cern.ch/record/876958","pdf_url":null,"source":{"id":"https://openalex.org/S4306402195","display_name":"CERN Document Server (European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":null},{"id":"doi:10.48550/arxiv.quant-ph/0508123","doi":"https://doi.org/10.48550/arxiv.quant-ph/0508123","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.quant-ph/0508123","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"},{"id":"mag:13241965","doi":null,"is_oa":false,"landing_page_url":"https://dialnet.unirioja.es/servlet/articulo?codigo=1405192","pdf_url":null,"source":{"id":"https://openalex.org/S164566984","display_name":"Physical Review A","issn_l":"0556-2791","issn":["0556-2791","1050-2947","1094-1622","1538-4446","2469-9926","2469-9934","2469-9942"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-2","ki-jl-1","norway-2","poland-100","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Physical Review A","raw_type":null}],"best_oa_location":{"id":"pmh:oai:arXiv.org:quant-ph/0508123","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/quant-ph/0508123","pdf_url":"https://arxiv.org/pdf/quant-ph/0508123","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2053476024.pdf","grobid_xml":"https://content.openalex.org/works/W2053476024.grobid-xml"},"referenced_works_count":46,"referenced_works":["https://openalex.org/W1567122062","https://openalex.org/W1607705556","https://openalex.org/W1616015000","https://openalex.org/W1631356911","https://openalex.org/W1642226671","https://openalex.org/W1966745778","https://openalex.org/W1966828904","https://openalex.org/W1968377644","https://openalex.org/W1970611135","https://openalex.org/W1971140630","https://openalex.org/W1984004232","https://openalex.org/W1986407511","https://openalex.org/W1995672555","https://openalex.org/W1995945562","https://openalex.org/W1998065025","https://openalex.org/W2011208902","https://openalex.org/W2015172195","https://openalex.org/W2020777009","https://openalex.org/W2034920898","https://openalex.org/W2040136860","https://openalex.org/W2051618454","https://openalex.org/W2060901938","https://openalex.org/W2061402744","https://openalex.org/W2062258079","https://openalex.org/W2067184005","https://openalex.org/W2074117827","https://openalex.org/W2076929083","https://openalex.org/W2077567417","https://openalex.org/W2081544872","https://openalex.org/W2093442456","https://openalex.org/W2100962385","https://openalex.org/W2103320610","https://openalex.org/W2129198554","https://openalex.org/W2129647679","https://openalex.org/W2143158757","https://openalex.org/W2144126354","https://openalex.org/W2146239137","https://openalex.org/W2148027589","https://openalex.org/W2170552382","https://openalex.org/W2764035156","https://openalex.org/W2764347725","https://openalex.org/W2950827727","https://openalex.org/W3022255685","https://openalex.org/W3098069316","https://openalex.org/W3099680657","https://openalex.org/W3106889297"],"related_works":["https://openalex.org/W2803302208","https://openalex.org/W3087129398","https://openalex.org/W1967377186","https://openalex.org/W2236679431","https://openalex.org/W2167367649","https://openalex.org/W1972637202","https://openalex.org/W2296190591","https://openalex.org/W3132885709","https://openalex.org/W2164545296","https://openalex.org/W2548035807"],"abstract_inverted_index":{"A":[0],"M\\o{}lmer-S\\o{}rensen":[1],"entangling":[2],"gate":[3,28],"is":[4,29,54],"realized":[5],"for":[6,88],"pairs":[7],"of":[8,36,52,67,74],"trapped":[9],"$^{111}\\mathrm{Cd}^{+}$":[10],"ions":[11],"using":[12],"magnetic-field":[13],"insensitive":[14],"``clock''":[15],"states":[16,69],"and":[17,43,61],"an":[18],"implementation":[19],"offering":[20],"reduced":[21],"sensitivity":[22],"to":[23,31,85],"optical":[24],"phase":[25],"drifts.":[26],"The":[27,64],"used":[30],"generate":[32],"the":[33],"complete":[34],"set":[35],"four":[37],"entangled":[38,68],"states,":[39],"which":[40,78],"are":[41],"reconstructed":[42],"evaluated":[44],"with":[45],"quantum-state":[46],"tomography.":[47],"An":[48],"average":[49],"target-state":[50],"fidelity":[51],"0.79":[53],"achieved,":[55],"limited":[56],"by":[57],"available":[58],"laser":[59],"power":[60],"technical":[62],"noise.":[63],"tomographic":[65],"reconstruction":[66],"demonstrates":[70],"universal":[71],"quantum":[72,90],"control":[73],"two":[75],"ion":[76],"qubits,":[77],"through":[79],"multiplexing":[80],"can":[81],"provide":[82],"a":[83],"route":[84],"scalable":[86],"architectures":[87],"trapped-ion":[89],"computing.":[91]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":10},{"year":2012,"cited_by_count":5}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}