{"id":"https://openalex.org/W2562863120","doi":"https://doi.org/10.1109/isit.2004.1365361","title":"On feedback and the classical capacity of a noisy quantum channel","display_name":"On feedback and the classical capacity of a noisy quantum channel","publication_year":2004,"publication_date":"2004-12-23","ids":{"openalex":"https://openalex.org/W2562863120","doi":"https://doi.org/10.1109/isit.2004.1365361","mag":"2562863120"},"language":"en","primary_location":{"id":"doi:10.1109/isit.2004.1365361","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2004.1365361","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Symposium onInformation Theory, 2004. ISIT 2004. Proceedings.","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"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/A5090474893","display_name":"Garry Bowen","orcid":null},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"G. Bowen","raw_affiliation_strings":["DAMTP, University of Cambridge, Cambridge, UK"],"affiliations":[{"raw_affiliation_string":"DAMTP, University of Cambridge, Cambridge, UK","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074345367","display_name":"Rajagopal Nagarajan","orcid":"https://orcid.org/0000-0002-9724-4962"},"institutions":[{"id":"https://openalex.org/I39555362","display_name":"University of Warwick","ror":"https://ror.org/01a77tt86","country_code":"GB","type":"education","lineage":["https://openalex.org/I39555362"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"R. Nagarajan","raw_affiliation_strings":["Department of Computer Science, University of Warwick, Coventry, UK"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Warwick, Coventry, UK","institution_ids":["https://openalex.org/I39555362"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5090474893"],"corresponding_institution_ids":["https://openalex.org/I241749"],"apc_list":null,"apc_paid":null,"fwci":0.4497,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.77858755,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"324","last_page":"324"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.9987000226974487,"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/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.9987000226974487,"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/T10020","display_name":"Quantum Information and Cryptography","score":0.9955000281333923,"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/T10622","display_name":"Quantum Mechanics and Applications","score":0.9952999949455261,"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/classical-capacity","display_name":"Classical capacity","score":0.8250510692596436},{"id":"https://openalex.org/keywords/channel-capacity","display_name":"Channel capacity","score":0.7508708238601685},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.7485367059707642},{"id":"https://openalex.org/keywords/quantum-entanglement","display_name":"Quantum entanglement","score":0.6700143814086914},{"id":"https://openalex.org/keywords/quantum-channel","display_name":"Quantum channel","score":0.6661185026168823},{"id":"https://openalex.org/keywords/amplitude-damping-channel","display_name":"Amplitude damping channel","score":0.6402908563613892},{"id":"https://openalex.org/keywords/quantum","display_name":"Quantum","score":0.5477844476699829},{"id":"https://openalex.org/keywords/quantum-capacity","display_name":"Quantum capacity","score":0.5227518081665039},{"id":"https://openalex.org/keywords/information-theory","display_name":"Information theory","score":0.5118564963340759},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.49877190589904785},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.46853581070899963},{"id":"https://openalex.org/keywords/shannon\u2013hartley-theorem","display_name":"Shannon\u2013Hartley theorem","score":0.4244697690010071},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3544332981109619},{"id":"https://openalex.org/keywords/statistical-physics","display_name":"Statistical physics","score":0.35028550028800964},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.32802873849868774},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2946086525917053},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.27471625804901123},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.2662155032157898},{"id":"https://openalex.org/keywords/quantum-discord","display_name":"Quantum discord","score":0.18639019131660461},{"id":"https://openalex.org/keywords/quantum-network","display_name":"Quantum network","score":0.1678462028503418},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.09146875143051147},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.07012242078781128}],"concepts":[{"id":"https://openalex.org/C168090291","wikidata":"https://www.wikidata.org/wiki/Q5128319","display_name":"Classical capacity","level":5,"score":0.8250510692596436},{"id":"https://openalex.org/C97744766","wikidata":"https://www.wikidata.org/wiki/Q870845","display_name":"Channel capacity","level":3,"score":0.7508708238601685},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7485367059707642},{"id":"https://openalex.org/C121040770","wikidata":"https://www.wikidata.org/wiki/Q215675","display_name":"Quantum entanglement","level":3,"score":0.6700143814086914},{"id":"https://openalex.org/C187486625","wikidata":"https://www.wikidata.org/wiki/Q2122176","display_name":"Quantum channel","level":4,"score":0.6661185026168823},{"id":"https://openalex.org/C206040425","wikidata":"https://www.wikidata.org/wiki/Q4748511","display_name":"Amplitude damping channel","level":5,"score":0.6402908563613892},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.5477844476699829},{"id":"https://openalex.org/C41241483","wikidata":"https://www.wikidata.org/wiki/Q7269015","display_name":"Quantum capacity","level":5,"score":0.5227518081665039},{"id":"https://openalex.org/C52622258","wikidata":"https://www.wikidata.org/wiki/Q131222","display_name":"Information theory","level":2,"score":0.5118564963340759},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49877190589904785},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.46853581070899963},{"id":"https://openalex.org/C180137035","wikidata":"https://www.wikidata.org/wiki/Q1756194","display_name":"Shannon\u2013Hartley theorem","level":4,"score":0.4244697690010071},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3544332981109619},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.35028550028800964},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.32802873849868774},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2946086525917053},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.27471625804901123},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.2662155032157898},{"id":"https://openalex.org/C139356082","wikidata":"https://www.wikidata.org/wiki/Q7269038","display_name":"Quantum discord","level":4,"score":0.18639019131660461},{"id":"https://openalex.org/C186468114","wikidata":"https://www.wikidata.org/wiki/Q836478","display_name":"Quantum network","level":4,"score":0.1678462028503418},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.09146875143051147},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.07012242078781128},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isit.2004.1365361","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2004.1365361","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Symposium onInformation Theory, 2004. ISIT 2004. Proceedings.","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1563757785","https://openalex.org/W1631356911","https://openalex.org/W1935182853","https://openalex.org/W1971499636","https://openalex.org/W1995875735","https://openalex.org/W2001619599","https://openalex.org/W2027561650","https://openalex.org/W2053861514","https://openalex.org/W2060887031","https://openalex.org/W2097895838","https://openalex.org/W2099111195","https://openalex.org/W2100274816","https://openalex.org/W2154564336","https://openalex.org/W3098683797","https://openalex.org/W3101698424"],"related_works":["https://openalex.org/W1486634605","https://openalex.org/W1977821353","https://openalex.org/W2030160643","https://openalex.org/W2040161280","https://openalex.org/W2077996616","https://openalex.org/W3101698424","https://openalex.org/W2951090982","https://openalex.org/W2123142728","https://openalex.org/W2950097517","https://openalex.org/W1624608204"],"abstract_inverted_index":{"In":[0],"Shannon":[1],"information":[2],"theory":[3],"the":[4,15,31,49],"capacity":[5,33],"of":[6,17,21,34],"a":[7,35],"memoryless":[8,36],"communication":[9],"channel":[10,38,50,54],"cannot":[11],"be":[12],"increased":[13],"by":[14],"use":[16,20],"feedback.":[18],"The":[19],"classical":[22,32],"feedback":[23,40],"is":[24,41,51],"shown":[25],"to":[26],"provide":[27],"no":[28],"increase":[29],"in":[30],"quantum":[37],"when":[39,48],"used":[42],"across":[43],"nonentangled":[44],"input":[45],"states,":[46],"or":[47],"an":[52],"entanglement-breaking":[53]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}