{"id":"https://openalex.org/W2946974052","doi":null,"title":"A Spin-1/2 Optical Lattice Clock | NIST","display_name":"A Spin-1/2 Optical Lattice Clock | NIST","publication_year":2009,"publication_date":"2009-08-07","ids":{"openalex":"https://openalex.org/W2946974052","mag":"2946974052"},"language":"en","primary_location":{"id":"mag:2946974052","doi":null,"is_oa":false,"landing_page_url":"https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=901526","pdf_url":null,"source":{"id":"https://openalex.org/S24807848","display_name":"Physical Review Letters","issn_l":"0031-9007","issn":["0031-9007","1079-7114","1092-0145"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-3","ki-jl-2","medline","norway-2","poland-200","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 Letters","raw_type":null},"volume":null,"type":"article","indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5036821965","display_name":"N. Lemke","orcid":"https://orcid.org/0000-0003-4165-0715","observed_orcids":["https://orcid.org/0000-0003-4165-0715"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"N. Lemke","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-4165-0715","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038881639","display_name":"Andrew D. Ludlow","orcid":"https://orcid.org/0009-0001-8584-889X","observed_orcids":["https://orcid.org/0009-0001-8584-889X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Andrew D. Ludlow","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011445135","display_name":"Zeb W. Barber","orcid":"https://orcid.org/0000-0001-9760-4764","observed_orcids":["https://orcid.org/0000-0001-9760-4764"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zeb W. Barber","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012028756","display_name":"Tara M. Fortier","orcid":"https://orcid.org/0000-0003-2282-4986","observed_orcids":["https://orcid.org/0000-0003-2282-4986"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tara M. Fortier","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-2282-4986","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020195328","display_name":"Scott A. Diddams","orcid":"https://orcid.org/0000-0002-2144-0764","observed_orcids":["https://orcid.org/0000-0002-2144-0764"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Scott A. Diddams","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-2144-0764","affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Yan\u2010Yi Jiang","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yan\u2010Yi Jiang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008809977","display_name":"Steven R. Jefferts","orcid":"https://orcid.org/0000-0002-9098-0297","observed_orcids":["https://orcid.org/0000-0002-9098-0297"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Steven R. Jefferts","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-9098-0297","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033669702","display_name":"Thomas P. Heavner","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Thomas P. Heavner","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062301824","display_name":"T.E. Parker","orcid":"https://orcid.org/0000-0003-3264-9245","observed_orcids":["https://orcid.org/0000-0003-3264-9245"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"T.E. Parker","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-3264-9245","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5110435198","display_name":"Christopher W. Oates","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Christopher W. Oates","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3750,"currency":"USD","value_usd":3750},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.35435233,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"103","issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12004","display_name":"Advanced Frequency and Time Standards","score":0.95169997215271,"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"}},"topics":[{"id":"https://openalex.org/T12004","display_name":"Advanced Frequency and Time Standards","score":0.95169997215271,"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"}},{"id":"https://openalex.org/T10425","display_name":"Cold Atom Physics and Bose-Einstein Condensates","score":0.01640000008046627,"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"}},{"id":"https://openalex.org/T11993","display_name":"Atomic and Subatomic Physics Research","score":0.006000000052154064,"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/optical-lattice-clock","display_name":"optical lattice clock","score":0.921999990940094},{"id":"https://openalex.org/keywords/spin-1-2-atoms","display_name":"spin-1/2 atoms","score":0.8759999871253967},{"id":"https://openalex.org/keywords/ultracold-atoms","display_name":"ultracold atoms","score":0.7129999995231628},{"id":"https://openalex.org/keywords/atomic-clocks","display_name":"atomic clocks","score":0.4490000009536743}],"concepts":[{"id":"https://openalex.org/C111219384","wikidata":"https://www.wikidata.org/wiki/Q6954384","display_name":"NIST","level":2,"score":0.793526291847229},{"id":"https://openalex.org/C93751859","wikidata":"https://www.wikidata.org/wiki/Q2027451","display_name":"Optical lattice","level":3,"score":0.5476081967353821},{"id":"https://openalex.org/C2781204021","wikidata":"https://www.wikidata.org/wiki/Q6497091","display_name":"Lattice (music)","level":2,"score":0.5241161584854126},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4718627631664276},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.4443740248680115},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.1341901421546936},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.0},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0},{"id":"https://openalex.org/C25536358","wikidata":"https://www.wikidata.org/wiki/Q106667","display_name":"Superfluidity","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2946974052","doi":null,"is_oa":false,"landing_page_url":"https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=901526","pdf_url":null,"source":{"id":"https://openalex.org/S24807848","display_name":"Physical Review Letters","issn_l":"0031-9007","issn":["0031-9007","1079-7114","1092-0145"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-3","ki-jl-2","medline","norway-2","poland-200","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 Letters","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2910574645","https://openalex.org/W2897930324","https://openalex.org/W1633018842","https://openalex.org/W3173688027","https://openalex.org/W2591969169","https://openalex.org/W3169002258","https://openalex.org/W2568435348","https://openalex.org/W2882970030","https://openalex.org/W2904703974","https://openalex.org/W2598398190"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-09-27T08:07:27.782135","created_date":"2019-06-07T00:00:00"}