{"id":"https://openalex.org/W7205084997","doi":null,"title":"Learning properties of parametrized quantum states: Practical algorithms with theoretical guarantees","display_name":"Learning properties of parametrized quantum states: Practical algorithms with theoretical guarantees","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7205084997"},"language":"en","primary_location":{"id":"pmh:oai:research.chalmers.se:551833","doi":null,"is_oa":true,"landing_page_url":"https://research.chalmers.se/en/publication/551833","pdf_url":"https://research.chalmers.se/publication/551833/file/551833_Fulltext.pdf","source":{"id":"https://openalex.org/S4306402469","display_name":"Chalmers Research (Chalmers University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I66862912","host_organization_name":"Chalmers University of Technology","host_organization_lineage":["https://openalex.org/I66862912"],"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":null},"volume":null,"type":"article","indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://research.chalmers.se/publication/551833/file/551833_Fulltext.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5149076984","display_name":"Marc Constantin Wanner","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I66862912","display_name":"Chalmers University of Technology","ror":"https://ror.org/040wg7k59","country_code":"SE","type":"education","lineage":["https://openalex.org/I66862912"]},{"id":"https://openalex.org/I881427289","display_name":"University of Gothenburg","ror":"https://ror.org/01tm6cn81","country_code":"SE","type":"education","lineage":["https://openalex.org/I881427289"]}],"countries":["SE"],"is_corresponding":true,"raw_author_name":"Wanner, Marc Constantin","raw_affiliation_strings":["Department of Computer Science and Engineering Chalmers University of Technology | University of Gothenburg"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering Chalmers University of Technology | University of Gothenburg","institution_ids":["https://openalex.org/I66862912","https://openalex.org/I881427289"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5149076984"],"corresponding_institution_ids":["https://openalex.org/I66862912","https://openalex.org/I881427289"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.63772368,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"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":0.9976000189781189,"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":0.9976000189781189,"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/T11804","display_name":"Quantum many-body systems","score":0.001500000013038516,"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/T10020","display_name":"Quantum Information and Cryptography","score":9.999999747378752e-05,"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/ground-state-properties","display_name":"ground-state properties","score":0.7419999837875366},{"id":"https://openalex.org/keywords/low-temperature-state","display_name":"low-temperature state","score":0.6859999895095825},{"id":"https://openalex.org/keywords/sample-complexity","display_name":"sample complexity","score":0.6840000152587891},{"id":"https://openalex.org/keywords/deep-neural-network","display_name":"deep neural network","score":0.7009999752044678},{"id":"https://openalex.org/keywords/variational-quantum-algorithms","display_name":"variational quantum algorithms","score":0.8820000290870667},{"id":"https://openalex.org/keywords/variational-quantum-circuits","display_name":"variational quantum circuits","score":0.890999972820282},{"id":"https://openalex.org/keywords/quantum-state-preparation","display_name":"quantum state preparation","score":0.6819999814033508}],"concepts":[{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.6556000113487244},{"id":"https://openalex.org/C137019171","wikidata":"https://www.wikidata.org/wiki/Q2623817","display_name":"Quantum algorithm","level":3,"score":0.5514000058174133},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5332000255584717},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5156999826431274},{"id":"https://openalex.org/C15706264","wikidata":"https://www.wikidata.org/wiki/Q230883","display_name":"Quantum state","level":3,"score":0.4830999970436096},{"id":"https://openalex.org/C2779094486","wikidata":"https://www.wikidata.org/wiki/Q18811578","display_name":"Quantum machine learning","level":4,"score":0.4729999899864197},{"id":"https://openalex.org/C58053490","wikidata":"https://www.wikidata.org/wiki/Q176555","display_name":"Quantum computer","level":3,"score":0.45100000500679016},{"id":"https://openalex.org/C192122513","wikidata":"https://www.wikidata.org/wiki/Q2835770","display_name":"Quantum phase estimation algorithm","level":5,"score":0.4262000024318695},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.3813000023365021},{"id":"https://openalex.org/C2778926657","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum system","level":3,"score":0.36910000443458557},{"id":"https://openalex.org/C11255438","wikidata":"https://www.wikidata.org/wiki/Q7269085","display_name":"Quantum process","level":4,"score":0.34549999237060547},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.3357999920845032},{"id":"https://openalex.org/C190463098","wikidata":"https://www.wikidata.org/wiki/Q2081419","display_name":"Quantum technology","level":4,"score":0.30889999866485596},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.30399999022483826},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2924000024795532},{"id":"https://openalex.org/C15184713","wikidata":"https://www.wikidata.org/wiki/Q7269042","display_name":"Quantum dynamics","level":3,"score":0.2921999990940094},{"id":"https://openalex.org/C62641251","wikidata":"https://www.wikidata.org/wiki/Q7269097","display_name":"Quantum sort","level":5,"score":0.2913999855518341},{"id":"https://openalex.org/C186468114","wikidata":"https://www.wikidata.org/wiki/Q836478","display_name":"Quantum network","level":4,"score":0.288100004196167},{"id":"https://openalex.org/C43682372","wikidata":"https://www.wikidata.org/wiki/Q7269080","display_name":"Quantum operation","level":4,"score":0.2872999906539917},{"id":"https://openalex.org/C190474826","wikidata":"https://www.wikidata.org/wiki/Q2495111","display_name":"Open quantum system","level":3,"score":0.2827000021934509},{"id":"https://openalex.org/C69523127","wikidata":"https://www.wikidata.org/wiki/Q4480008","display_name":"Ground state","level":2,"score":0.27160000801086426},{"id":"https://openalex.org/C5320026","wikidata":"https://www.wikidata.org/wiki/Q2122216","display_name":"Quantum information science","level":4,"score":0.26089999079704285},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.2549000084400177},{"id":"https://openalex.org/C148043351","wikidata":"https://www.wikidata.org/wiki/Q4456944","display_name":"Current (fluid)","level":2,"score":0.2540000081062317},{"id":"https://openalex.org/C161166931","wikidata":"https://www.wikidata.org/wiki/Q7269096","display_name":"Quantum simulator","level":4,"score":0.25189998745918274}],"mesh":[],"locations_count":1,"locations":[{"id":"pmh:oai:research.chalmers.se:551833","doi":null,"is_oa":true,"landing_page_url":"https://research.chalmers.se/en/publication/551833","pdf_url":"https://research.chalmers.se/publication/551833/file/551833_Fulltext.pdf","source":{"id":"https://openalex.org/S4306402469","display_name":"Chalmers Research (Chalmers University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I66862912","host_organization_name":"Chalmers University of Technology","host_organization_lineage":["https://openalex.org/I66862912"],"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":null}],"best_oa_location":{"id":"pmh:oai:research.chalmers.se:551833","doi":null,"is_oa":true,"landing_page_url":"https://research.chalmers.se/en/publication/551833","pdf_url":"https://research.chalmers.se/publication/551833/file/551833_Fulltext.pdf","source":{"id":"https://openalex.org/S4306402469","display_name":"Chalmers Research (Chalmers University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I66862912","host_organization_name":"Chalmers University of Technology","host_organization_lineage":["https://openalex.org/I66862912"],"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":null},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G1141303958","display_name":"QuantumStack: Programmering av kvantdatorn","funder_award_id":"FUS21-0063","funder_id":"https://openalex.org/F4320320940","funder_display_name":"Stiftelsen f\u00f6r\u00a0Strategisk Forskning"},{"id":"https://openalex.org/G3676281905","display_name":null,"funder_award_id":"2022-06725","funder_id":"https://openalex.org/F4320320940","funder_display_name":"Stiftelsen f\u00f6r\u00a0Strategisk Forskning"},{"id":"https://openalex.org/G4632909464","display_name":null,"funder_award_id":"2022-06725","funder_id":"https://openalex.org/F4320322327","funder_display_name":"Knut och Alice Wallenbergs Stiftelse"},{"id":"https://openalex.org/G8869864247","display_name":"NAISS","funder_award_id":"2022-06725","funder_id":"https://openalex.org/F4320322581","funder_display_name":"Vetenskapsr\u00e5det"}],"funders":[{"id":"https://openalex.org/F4320320940","display_name":"Stiftelsen f\u00f6r\u00a0Strategisk Forskning","ror":"https://ror.org/044wr7g58"},{"id":"https://openalex.org/F4320322327","display_name":"Knut och Alice Wallenbergs Stiftelse","ror":"https://ror.org/004hzzk67"},{"id":"https://openalex.org/F4320322581","display_name":"Vetenskapsr\u00e5det","ror":"https://ror.org/03zttf063"},{"id":"https://openalex.org/F4320336501","display_name":"Wallenberg Centre for Molecular and Translational Medicine","ror":"https://ror.org/048rhnt15"},{"id":"https://openalex.org/F4320336997","display_name":"Wallenberg Center for Quantum Technology, Chalmers University of Technology","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7205084997.pdf","grobid_xml":"https://content.openalex.org/works/W7205084997.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4415317238","https://openalex.org/W7149845757","https://openalex.org/W3090034944","https://openalex.org/W4389116521","https://openalex.org/W4387140963","https://openalex.org/W4327556899","https://openalex.org/W4412090802","https://openalex.org/W7132910956","https://openalex.org/W4398229793","https://openalex.org/W7037806418"],"abstract_inverted_index":{"The":[0],"analysis":[1],"of":[2,7,22,32,67,93,100,116,144,148,162,187,195],"quantum":[3,11,23,43,60,94,146,164],"state":[4],"properties":[5,48,88],"is":[6],"fundamental":[8],"importance":[9],"in":[10],"physics":[12],"and":[13,28,130,182,183],"serves":[14],"as":[15,35],"a":[16,125,155],"primary":[17],"motivation":[18],"for":[19,85,124,178],"the":[20,65,97,113,120,142,159,188],"development":[21],"computing.":[24],"In":[25],"particular,":[26],"low-temperature":[27],"ground":[29],"states":[30,95,147],"are":[31],"significant":[33],"interest,":[34],"they":[36],"most":[37],"prominently":[38],"exhibit":[39],"phenomena":[40],"unique":[41],"to":[42,76],"mechanics.":[44],"However,":[45],"extracting":[46],"such":[47],"typically":[49],"requires":[50],"costly":[51],"numerical":[52,137],"simulations":[53],"or":[54],"laboratory":[55],"experiments,":[56],"while":[57],"simulation":[58],"on":[59,103,158],"hardware":[61],"remains":[62],"limited":[63],"by":[64],"capabilities":[66],"current":[68],"devices.":[69],"This":[70],"thesis":[71],"proposes":[72],"two":[73],"complementary":[74],"approaches":[75],"address":[77],"these":[78],"challenges.The":[79],"first":[80],"contribution":[81,140],"presents":[82],"an":[83,90,175,193],"algorithm":[84,177],"predicting":[86],"ground-state":[87],"across":[89],"entire":[91],"family":[92],"within":[96],"same":[98,121],"phase":[99],"matter,":[101],"based":[102,157],"training":[104],"data.":[105],"Under":[106],"slightly":[107],"stronger":[108],"assumptions,":[109],"we":[110,190],"improve":[111],"upon":[112],"sample":[114],"complexity":[115],"existing":[117],"methods,":[118],"prove":[119],"rigorous":[122],"guarantees":[123],"deep":[126],"neural":[127],"network-based":[128],"approach,":[129],"demonstrate":[131],"its":[132],"practical":[133],"advantages":[134],"through":[135],"extensive":[136],"experiments.The":[138],"second":[139],"addresses":[141],"challenge":[143],"preparing":[145],"interest":[149],"using":[150],"Variational":[151],"Quantum":[152],"Algorithms":[153],"(VQAs),":[154],"framework":[156,189],"classical":[160],"optimization":[161],"parametrized":[163],"circuits.":[165],"We":[166],"introduce":[167],"multi-armed":[168],"stochastic":[169],"bandits":[170],"into":[171],"this":[172],"setting,":[173],"propose":[174],"instance-optimal":[176],"continuous":[179],"single-parameter":[180],"optimization,":[181],"motivate":[184],"further":[185],"exploration":[186],"introduced":[191],"with":[192],"array":[194],"experiments.":[196]},"counts_by_year":[],"updated_date":"2026-10-29T09:56:32.521200","created_date":"2026-09-02T00:00:00"}