{"id":"https://openalex.org/W2029630579","doi":"https://doi.org/10.1088/1367-2630/7/1/043","title":"Qubit state guidance without feedback","display_name":"Qubit state guidance without feedback","publication_year":2005,"publication_date":"2005-02-08","ids":{"openalex":"https://openalex.org/W2029630579","doi":"https://doi.org/10.1088/1367-2630/7/1/043","mag":"2029630579"},"language":"en","primary_location":{"id":"doi:10.1088/1367-2630/7/1/043","doi":"https://doi.org/10.1088/1367-2630/7/1/043","is_oa":true,"landing_page_url":"https://doi.org/10.1088/1367-2630/7/1/043","pdf_url":null,"source":{"id":"https://openalex.org/S148121101","display_name":"New Journal of Physics","issn_l":"1367-2630","issn":["1367-2630"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-b","jufo-2","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"New Journal of Physics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1088/1367-2630/7/1/043","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5036658889","display_name":"Mauro Paternostro","orcid":"https://orcid.org/0000-0001-8870-9134","observed_orcids":["https://orcid.org/0000-0001-8870-9134"]},"institutions":[{"id":"https://openalex.org/I126231945","display_name":"Queen's University Belfast","ror":"https://ror.org/00hswnk62","country_code":"GB","type":"education","lineage":["https://openalex.org/I126231945"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"M Paternostro","raw_affiliation_strings":["School of Mathematics and Physics, The Queen's University, Belfast, BT7 1NN, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mathematics and Physics, The Queen's University, Belfast, BT7 1NN, UK","institution_ids":["https://openalex.org/I126231945"]}]},{"author_position":"last","author":{"id":null,"display_name":"M S Kim","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I126231945","display_name":"Queen's University Belfast","ror":"https://ror.org/00hswnk62","country_code":"GB","type":"education","lineage":["https://openalex.org/I126231945"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"M S Kim","raw_affiliation_strings":["School of Mathematics and Physics, The Queen's University, Belfast, BT7 1NN, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mathematics and Physics, The Queen's University, Belfast, BT7 1NN, UK","institution_ids":["https://openalex.org/I126231945"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I126231945"],"apc_list":{"value":2610,"currency":"USD","value_usd":2610},"apc_paid":{"value":2610,"currency":"USD","value_usd":2610},"fwci":1.2844,"has_fulltext":true,"cited_by_count":15,"citation_normalized_percentile":{"value":0.7645707,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"7","issue":null,"first_page":"43","last_page":"43"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":0.9794999957084656,"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/T10020","display_name":"Quantum Information and Cryptography","score":0.9794999957084656,"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/T10622","display_name":"Quantum Mechanics and Applications","score":0.017999999225139618,"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/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.0008999999845400453,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/two-qubit-entanglement","display_name":"two-qubit entanglement","score":0.753000020980835},{"id":"https://openalex.org/keywords/entanglement-concentration","display_name":"entanglement concentration","score":0.9240000247955322},{"id":"https://openalex.org/keywords/post-selection","display_name":"post-selection","score":0.9079999923706055},{"id":"https://openalex.org/keywords/repeated-measures","display_name":"repeated measures","score":0.7239999771118164},{"id":"https://openalex.org/keywords/detection-inefficiency","display_name":"detection inefficiency","score":0.6470000147819519},{"id":"https://openalex.org/keywords/robustness","display_name":"robustness","score":0.49799999594688416}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.9089999794960022},{"id":"https://openalex.org/C203087015","wikidata":"https://www.wikidata.org/wiki/Q378201","display_name":"Qubit","level":3,"score":0.8571000099182129},{"id":"https://openalex.org/C121040770","wikidata":"https://www.wikidata.org/wiki/Q215675","display_name":"Quantum entanglement","level":3,"score":0.7103999853134155},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.6678000092506409},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.5098000168800354},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.5083000063896179},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.48750001192092896},{"id":"https://openalex.org/C20593774","wikidata":"https://www.wikidata.org/wiki/Q7958522","display_name":"W state","level":4,"score":0.4327000081539154},{"id":"https://openalex.org/C2983394010","wikidata":"https://www.wikidata.org/wiki/Q19885330","display_name":"Continuous variable","level":2,"score":0.3955000042915344},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.3871000111103058},{"id":"https://openalex.org/C182365436","wikidata":"https://www.wikidata.org/wiki/Q50701","display_name":"Variable (mathematics)","level":2,"score":0.35120001435279846},{"id":"https://openalex.org/C107814960","wikidata":"https://www.wikidata.org/wiki/Q611957","display_name":"Solid-state","level":2,"score":0.3027999997138977},{"id":"https://openalex.org/C162967359","wikidata":"https://www.wikidata.org/wiki/Q5380096","display_name":"Entanglement distillation","level":5,"score":0.30230000615119934},{"id":"https://openalex.org/C71799126","wikidata":"https://www.wikidata.org/wiki/Q6934832","display_name":"Multipartite entanglement","level":5,"score":0.3021000027656555},{"id":"https://openalex.org/C19271316","wikidata":"https://www.wikidata.org/wiki/Q7092353","display_name":"One-way quantum computer","level":5,"score":0.28769999742507935},{"id":"https://openalex.org/C169699857","wikidata":"https://www.wikidata.org/wiki/Q2122243","display_name":"Quantum information","level":3,"score":0.2874999940395355},{"id":"https://openalex.org/C58053490","wikidata":"https://www.wikidata.org/wiki/Q176555","display_name":"Quantum computer","level":3,"score":0.26080000400543213},{"id":"https://openalex.org/C129537906","wikidata":"https://www.wikidata.org/wiki/Q7603913","display_name":"State variable","level":2,"score":0.26030001044273376},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.2565000057220459},{"id":"https://openalex.org/C91717678","wikidata":"https://www.wikidata.org/wiki/Q1135332","display_name":"Quantum teleportation","level":5,"score":0.25440001487731934},{"id":"https://openalex.org/C73214911","wikidata":"https://www.wikidata.org/wiki/Q7180959","display_name":"Phase qubit","level":4,"score":0.2540000081062317}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1088/1367-2630/7/1/043","doi":"https://doi.org/10.1088/1367-2630/7/1/043","is_oa":true,"landing_page_url":"https://doi.org/10.1088/1367-2630/7/1/043","pdf_url":null,"source":{"id":"https://openalex.org/S148121101","display_name":"New Journal of Physics","issn_l":"1367-2630","issn":["1367-2630"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-b","jufo-2","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"New Journal of Physics","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:quant-ph/0410026","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/quant-ph/0410026","pdf_url":"https://arxiv.org/pdf/quant-ph/0410026","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:796774","doi":null,"is_oa":false,"landing_page_url":"http://cds.cern.ch/record/796774","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":"pmh:oai:pure.qub.ac.uk/portal:publications/a1485787-aeef-4563-a869-130ef57c36bb","doi":null,"is_oa":false,"landing_page_url":"https://pure.qub.ac.uk/en/publications/a1485787-aeef-4563-a869-130ef57c36bb","pdf_url":null,"source":{"id":"https://openalex.org/S4306402319","display_name":"Research Portal (Queen's University Belfast)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I126231945","host_organization_name":"Queen's University Belfast","host_organization_lineage":["https://openalex.org/I126231945"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Paternostro, M & Kim, M 2005, 'Qubit state guidance without feedback', New Journal of Physics, vol. 7, 043, pp. 43-44. https://doi.org/10.1088/1367-2630/7/1/043","raw_type":"info:eu-repo/semantics/article"},{"id":"doi:10.48550/arxiv.quant-ph/0410026","doi":"https://doi.org/10.48550/arxiv.quant-ph/0410026","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.quant-ph/0410026","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"}],"best_oa_location":{"id":"doi:10.1088/1367-2630/7/1/043","doi":"https://doi.org/10.1088/1367-2630/7/1/043","is_oa":true,"landing_page_url":"https://doi.org/10.1088/1367-2630/7/1/043","pdf_url":null,"source":{"id":"https://openalex.org/S148121101","display_name":"New Journal of Physics","issn_l":"1367-2630","issn":["1367-2630"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-b","jufo-2","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"New Journal of Physics","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2029630579.pdf","grobid_xml":"https://content.openalex.org/works/W2029630579.grobid-xml"},"referenced_works_count":37,"referenced_works":["https://openalex.org/W1524514821","https://openalex.org/W1717873450","https://openalex.org/W1963651172","https://openalex.org/W1980067455","https://openalex.org/W1987390099","https://openalex.org/W2004708825","https://openalex.org/W2017964195","https://openalex.org/W2020881588","https://openalex.org/W2023851232","https://openalex.org/W2028540717","https://openalex.org/W2028722741","https://openalex.org/W2034194958","https://openalex.org/W2034920898","https://openalex.org/W2045178562","https://openalex.org/W2054077072","https://openalex.org/W2058500865","https://openalex.org/W2067993558","https://openalex.org/W2068769103","https://openalex.org/W2069711632","https://openalex.org/W2077889118","https://openalex.org/W2084927355","https://openalex.org/W2087832724","https://openalex.org/W2091331782","https://openalex.org/W2092406444","https://openalex.org/W2096826755","https://openalex.org/W2105059632","https://openalex.org/W2115235302","https://openalex.org/W2119663918","https://openalex.org/W2125303188","https://openalex.org/W2134000508","https://openalex.org/W2139625432","https://openalex.org/W2144126354","https://openalex.org/W2763302490","https://openalex.org/W2764347725","https://openalex.org/W2962964032","https://openalex.org/W4211005167","https://openalex.org/W4254638900"],"related_works":["https://openalex.org/W1982670071","https://openalex.org/W3212189108","https://openalex.org/W2052924230","https://openalex.org/W4391745421","https://openalex.org/W2336383928","https://openalex.org/W2978687356","https://openalex.org/W1503947081","https://openalex.org/W2759648151","https://openalex.org/W2787029642","https://openalex.org/W2129249915"],"abstract_inverted_index":{"We":[0,62,86],"study":[1],"a":[2,29,55],"protocol":[3,94],"for":[4,103],"two-qubit-state":[5],"guidance":[6,93],"that":[7],"does":[8],"not":[9],"rely":[10],"on":[11,42],"feedback":[12],"mechanisms.":[13],"In":[14],"our":[15],"scheme,":[16],"entanglement":[17],"can":[18,80],"be":[19,81],"concentrated":[20],"by":[21,68],"arranging":[22],"the":[23,26,36,43,46,48,64,69,73,77,89,92,96,106],"interactions":[24],"of":[25,38,45,58,72,91,98,105],"qubits":[27],"with":[28],"continuous":[30],"variable":[31],"ancilla.":[32],"By":[33],"properly":[34],"post-selecting":[35],"outcomes":[37],"repeated":[39],"measurements":[40],"performed":[41],"state":[44,50],"ancilla,":[47],"qubit":[49],"is":[51],"driven":[52],"to":[53,95],"have":[54],"desired":[56],"amount":[57],"purity":[59],"and":[60],"entanglement.":[61],"stress":[63],"primary":[65],"role":[66],"played":[67],"first":[70],"iterations":[71],"protocol.":[74],"Inefficiencies":[75],"in":[76],"detection":[78],"operations":[79],"fully":[82],"taken":[83],"into":[84],"account.":[85],"also":[87],"discuss":[88],"robustness":[90],"effects":[97],"an":[99],"experimentally":[100],"motivated":[101],"model":[102],"mixedness":[104],"ancillary":[107],"states.":[108]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}