{"id":"https://openalex.org/W4289779538","doi":"https://doi.org/10.1103/physrevapplied.18.024013","title":"Deterministic and Entanglement-Efficient Preparation of Amplitude-Encoded Quantum Registers","display_name":"Deterministic and Entanglement-Efficient Preparation of Amplitude-Encoded Quantum Registers","publication_year":2022,"publication_date":"2022-08-04","ids":{"openalex":"https://openalex.org/W4289779538","doi":"https://doi.org/10.1103/physrevapplied.18.024013","mag":"3208359441"},"language":"en","primary_location":{"id":"doi:10.1103/physrevapplied.18.024013","doi":"https://doi.org/10.1103/physrevapplied.18.024013","is_oa":false,"landing_page_url":"https://doi.org/10.1103/physrevapplied.18.024013","pdf_url":null,"source":{"id":"https://openalex.org/S2764453006","display_name":"Physical Review Applied","issn_l":"2331-7019","issn":["2331-7019","2331-7043"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-2","norway-2","poland-140","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 Applied","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2110.13454","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5047127965","display_name":"Prithvi Gundlapalli","orcid":"https://orcid.org/0000-0002-3785-8989","observed_orcids":["https://orcid.org/0000-0002-3785-8989"]},"institutions":[{"id":"https://openalex.org/I115228651","display_name":"Agency for Science, Technology and Research","ror":"https://ror.org/036wvzt09","country_code":"SG","type":"government","lineage":["https://openalex.org/I115228651"]},{"id":"https://openalex.org/I4210123095","display_name":"Institute of Materials Research and Engineering","ror":"https://ror.org/02sepg748","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I4210123095","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Prithvi Gundlapalli","raw_affiliation_strings":["Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, #08-03 Innovis, Singapore 138634"],"raw_orcid":"https://orcid.org/0000-0002-3785-8989","affiliations":[{"raw_affiliation_string":"Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, #08-03 Innovis, Singapore 138634","institution_ids":["https://openalex.org/I115228651","https://openalex.org/I4210123095"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038927005","display_name":"Junyi Lee","orcid":"https://orcid.org/0000-0002-5068-0062","observed_orcids":["https://orcid.org/0000-0002-5068-0062"]},"institutions":[{"id":"https://openalex.org/I115228651","display_name":"Agency for Science, Technology and Research","ror":"https://ror.org/036wvzt09","country_code":"SG","type":"government","lineage":["https://openalex.org/I115228651"]},{"id":"https://openalex.org/I4210123095","display_name":"Institute of Materials Research and Engineering","ror":"https://ror.org/02sepg748","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I4210123095","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Junyi Lee","raw_affiliation_strings":["Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, #08-03 Innovis, Singapore 138634"],"raw_orcid":"https://orcid.org/0000-0002-5068-0062","affiliations":[{"raw_affiliation_string":"Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, #08-03 Innovis, Singapore 138634","institution_ids":["https://openalex.org/I115228651","https://openalex.org/I4210123095"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5038927005"],"corresponding_institution_ids":["https://openalex.org/I115228651","https://openalex.org/I4210123095"],"apc_list":null,"apc_paid":null,"fwci":0.7303,"has_fulltext":true,"cited_by_count":19,"citation_normalized_percentile":{"value":0.68273035,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"18","issue":"2","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":1.0,"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":1.0,"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":9.999999747378752e-05,"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/T11804","display_name":"Quantum many-body systems","score":0.0,"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/amplitude-encoding","display_name":"amplitude encoding","score":0.8999999761581421},{"id":"https://openalex.org/keywords/quantum-state-preparation","display_name":"quantum state preparation","score":0.8880000114440918},{"id":"https://openalex.org/keywords/deterministic-algorithms","display_name":"deterministic algorithms","score":0.5249999761581421},{"id":"https://openalex.org/keywords/entangling-gates","display_name":"entangling gates","score":0.7620000243186951},{"id":"https://openalex.org/keywords/decoherence","display_name":"decoherence","score":0.8180000185966492},{"id":"https://openalex.org/keywords/nisq-devices","display_name":"NISQ devices","score":0.8389999866485596},{"id":"https://openalex.org/keywords/lognormal-distribution","display_name":"lognormal distribution","score":0.7279999852180481},{"id":"https://openalex.org/keywords/quantum-registers","display_name":"quantum registers","score":0.4259999990463257}],"concepts":[{"id":"https://openalex.org/C122527463","wikidata":"https://www.wikidata.org/wiki/Q578430","display_name":"Quantum decoherence","level":3,"score":0.7284548282623291},{"id":"https://openalex.org/C121040770","wikidata":"https://www.wikidata.org/wiki/Q215675","display_name":"Quantum entanglement","level":3,"score":0.6968368291854858},{"id":"https://openalex.org/C58053490","wikidata":"https://www.wikidata.org/wiki/Q176555","display_name":"Quantum computer","level":3,"score":0.6917837262153625},{"id":"https://openalex.org/C203087015","wikidata":"https://www.wikidata.org/wiki/Q378201","display_name":"Qubit","level":3,"score":0.6263940334320068},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5423809289932251},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.5013279914855957},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.47224634885787964},{"id":"https://openalex.org/C58849907","wikidata":"https://www.wikidata.org/wiki/Q2118982","display_name":"Quantum gate","level":4,"score":0.44462671875953674},{"id":"https://openalex.org/C15706264","wikidata":"https://www.wikidata.org/wiki/Q230883","display_name":"Quantum state","level":3,"score":0.41044124960899353},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.369975745677948},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3670870065689087},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.30801722407341003}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1103/physrevapplied.18.024013","doi":"https://doi.org/10.1103/physrevapplied.18.024013","is_oa":false,"landing_page_url":"https://doi.org/10.1103/physrevapplied.18.024013","pdf_url":null,"source":{"id":"https://openalex.org/S2764453006","display_name":"Physical Review Applied","issn_l":"2331-7019","issn":["2331-7019","2331-7043"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-2","norway-2","poland-140","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 Applied","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2110.13454","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2110.13454","pdf_url":"https://arxiv.org/pdf/2110.13454","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":"mag:3208359441","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/pdf/2110.13454.pdf","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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},{"id":"doi:10.48550/arxiv.2110.13454","doi":"https://doi.org/10.48550/arxiv.2110.13454","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2110.13454","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":"pmh:oai:arXiv.org:2110.13454","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2110.13454","pdf_url":"https://arxiv.org/pdf/2110.13454","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":[{"id":"https://openalex.org/F4320320709","display_name":"National Research Foundation Singapore","ror":"https://ror.org/03cpyc314"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4289779538.pdf","grobid_xml":"https://content.openalex.org/works/W4289779538.grobid-xml"},"referenced_works_count":39,"referenced_works":["https://openalex.org/W1492999010","https://openalex.org/W1605974080","https://openalex.org/W1970948880","https://openalex.org/W1971384536","https://openalex.org/W1981783889","https://openalex.org/W1993482030","https://openalex.org/W2004026774","https://openalex.org/W2009298903","https://openalex.org/W2031216664","https://openalex.org/W2036604884","https://openalex.org/W2065516801","https://openalex.org/W2066229005","https://openalex.org/W2103956991","https://openalex.org/W2104590612","https://openalex.org/W2154815292","https://openalex.org/W2171630320","https://openalex.org/W2562234976","https://openalex.org/W2607911764","https://openalex.org/W2753545915","https://openalex.org/W2781738013","https://openalex.org/W2790264742","https://openalex.org/W2794731980","https://openalex.org/W2798745146","https://openalex.org/W2809024202","https://openalex.org/W2908764772","https://openalex.org/W2931020703","https://openalex.org/W2943869291","https://openalex.org/W2955315321","https://openalex.org/W2956731923","https://openalex.org/W3012082490","https://openalex.org/W3034064438","https://openalex.org/W3034762567","https://openalex.org/W3038966512","https://openalex.org/W3047378565","https://openalex.org/W3080410339","https://openalex.org/W3105925603","https://openalex.org/W3110308375","https://openalex.org/W3136233239","https://openalex.org/W6912284476"],"related_works":["https://openalex.org/W3208359441","https://openalex.org/W2072498431","https://openalex.org/W7202132752","https://openalex.org/W2006893713","https://openalex.org/W4416384300","https://openalex.org/W3212369546","https://openalex.org/W4400259548","https://openalex.org/W7091638318","https://openalex.org/W7199121436","https://openalex.org/W167054353"],"abstract_inverted_index":{"Quantum":[0],"computing":[1],"promises":[2],"to":[3,7,36,75,110,116],"provide":[4],"exponential":[5],"speed-ups":[6],"certain":[8],"classes":[9],"of":[10,25,45,95,122,144],"problems.":[11],"In":[12],"many":[13],"such":[14,124],"algorithms,":[15],"a":[16,26,38,68],"classical":[17],"vector":[18],"$\\mathbf{b}$":[19],"is":[20,34],"encoded":[21],"in":[22,56,85],"the":[23,78,93,126],"amplitudes":[24],"quantum":[27,63,79],"state":[28,44,83],"$|b\u27e9$.":[29],"However,":[30],"efficiently":[31],"preparing":[32],"$|b\u27e9$":[33],"known":[35],"be":[37,107,117],"difficult":[39],"problem":[40],"because":[41],"an":[42,86,142],"arbitrary":[43],"$Q$":[46],"qubits":[47],"generally":[48],"requires":[49],"approximately":[50],"${2}^{Q}$":[51],"entangling":[52,147],"gates,":[53],"which":[54],"results":[55],"significant":[57],"decoherence":[58],"on":[59,101],"today's":[60],"noisy":[61],"intermediate-scale":[62],"(NISQ)":[64],"computers.":[65],"We":[66,113],"present":[67],"deterministic":[69],"(nonvariational)":[70],"algorithm":[71,135],"that":[72],"allows":[73],"us":[74],"flexibly":[76],"reduce":[77],"resources":[80],"required":[81],"for":[82,119],"preparation":[84],"entanglement-efficient":[87],"manner.":[88],"Although":[89],"this":[90,115],"comes":[91],"at":[92],"expense":[94],"reduced":[96,111],"theoretical":[97],"fidelity,":[98],"actual":[99],"fidelities":[100],"current":[102],"NISQ":[103],"computers":[104],"might":[105],"actually":[106],"higher":[108],"due":[109],"decoherence.":[112],"show":[114],"true":[118],"various":[120],"cases":[121],"interest,":[123],"as":[125,149],"normal":[127],"and":[128],"log-normal":[129],"distributions.":[130],"For":[131],"low-entanglement":[132],"states,":[133],"our":[134],"can":[136],"prepare":[137],"states":[138],"with":[139,151],"more":[140],"than":[141],"order":[143],"magnitude":[145],"fewer":[146],"gates":[148],"compared":[150],"isometric":[152],"decomposition.":[153]},"counts_by_year":[{"year":2026,"cited_by_count":7},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2026-11-11T12:16:26.678958","created_date":"2022-08-04T00:00:00"}