{"id":"https://openalex.org/W3185287709","doi":"https://doi.org/10.22331/q-2021-11-17-583","title":"Scqubits: a Python package for superconducting qubits","display_name":"Scqubits: a Python package for superconducting qubits","publication_year":2021,"publication_date":"2021-11-17","ids":{"openalex":"https://openalex.org/W3185287709","doi":"https://doi.org/10.22331/q-2021-11-17-583","mag":"3185287709"},"language":"en","primary_location":{"id":"doi:10.22331/q-2021-11-17-583","is_oa":true,"landing_page_url":"https://doi.org/10.22331/q-2021-11-17-583","pdf_url":"https://quantum-journal.org/papers/q-2021-11-17-583/pdf/","source":{"id":"https://openalex.org/S4210226432","display_name":"Quantum","issn_l":"2521-327X","issn":["2521-327X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310317900","host_organization_name":"Verein zur F\u00f6rderung des Open Access Publizierens in den Quantenwissenschaften","host_organization_lineage":["https://openalex.org/P4310317900"],"host_organization_lineage_names":["Verein zur F\u00f6rderung des Open Access Publizierens in den Quantenwissenschaften"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quantum","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://quantum-journal.org/papers/q-2021-11-17-583/pdf/","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Peter Groszkowski","orcid":null},"institutions":[{"id":"https://openalex.org/I40347166","display_name":"University of Chicago","ror":"https://ror.org/024mw5h28","country_code":"US","type":"education","lineage":["https://openalex.org/I40347166"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Peter Groszkowski","raw_affiliation_strings":["Pritzker School for Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA"],"affiliations":[{"raw_affiliation_string":"Pritzker School for Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA","institution_ids":["https://openalex.org/I40347166"]}]},{"author_position":"last","author":{"id":null,"display_name":"Jens Koch","orcid":"https://orcid.org/0000-0002-5047-631X"},"institutions":[{"id":"https://openalex.org/I111979921","display_name":"Northwestern University","ror":"https://ror.org/000e0be47","country_code":"US","type":"education","lineage":["https://openalex.org/I111979921"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jens Koch","raw_affiliation_strings":["Department of Physics and Astronomy, Northwestern University, Evanston, IL 60208, USA"],"affiliations":[{"raw_affiliation_string":"Department of Physics and Astronomy, Northwestern University, Evanston, IL 60208, USA","institution_ids":["https://openalex.org/I111979921"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I40347166"],"apc_list":{"value":200,"currency":"EUR","value_usd":215},"apc_paid":{"value":200,"currency":"EUR","value_usd":215},"fwci":6.9196,"has_fulltext":true,"cited_by_count":78,"citation_normalized_percentile":{"value":0.9755348,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"5","issue":null,"first_page":"583","last_page":"583"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10037","display_name":"Physics of Superconductivity and Magnetism","score":0.5600000023841858,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"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/T10037","display_name":"Physics of Superconductivity and Magnetism","score":0.5600000023841858,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"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":0.10649999976158142,"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/T10382","display_name":"Quantum and electron transport phenomena","score":0.08540000021457672,"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/python","display_name":"Python (programming language)","score":0.8309999704360962},{"id":"https://openalex.org/keywords/qubit","display_name":"Qubit","score":0.6003999710083008},{"id":"https://openalex.org/keywords/toolbox","display_name":"Toolbox","score":0.5526999831199646},{"id":"https://openalex.org/keywords/suite","display_name":"Suite","score":0.46140000224113464},{"id":"https://openalex.org/keywords/leverage","display_name":"Leverage (statistics)","score":0.3671000003814697},{"id":"https://openalex.org/keywords/superconductivity","display_name":"Superconductivity","score":0.35440000891685486},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.35440000891685486}],"concepts":[{"id":"https://openalex.org/C519991488","wikidata":"https://www.wikidata.org/wiki/Q28865","display_name":"Python (programming language)","level":2,"score":0.8309999704360962},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6517000198364258},{"id":"https://openalex.org/C203087015","wikidata":"https://www.wikidata.org/wiki/Q378201","display_name":"Qubit","level":3,"score":0.6003999710083008},{"id":"https://openalex.org/C2777655017","wikidata":"https://www.wikidata.org/wiki/Q1501161","display_name":"Toolbox","level":2,"score":0.5526999831199646},{"id":"https://openalex.org/C79581498","wikidata":"https://www.wikidata.org/wiki/Q1367530","display_name":"Suite","level":2,"score":0.46140000224113464},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.4271000027656555},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.3671000003814697},{"id":"https://openalex.org/C54101563","wikidata":"https://www.wikidata.org/wiki/Q124131","display_name":"Superconductivity","level":2,"score":0.35440000891685486},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.35440000891685486},{"id":"https://openalex.org/C58053490","wikidata":"https://www.wikidata.org/wiki/Q176555","display_name":"Quantum computer","level":3,"score":0.3352000117301941},{"id":"https://openalex.org/C61423126","wikidata":"https://www.wikidata.org/wiki/Q187432","display_name":"Scripting language","level":2,"score":0.3140999972820282},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.30239999294281006},{"id":"https://openalex.org/C17349429","wikidata":"https://www.wikidata.org/wiki/Q1049914","display_name":"Matrix multiplication","level":3,"score":0.2955999970436096},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.2946999967098236},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.290800005197525},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.2687999904155731},{"id":"https://openalex.org/C89505385","wikidata":"https://www.wikidata.org/wiki/Q47146","display_name":"User interface","level":2,"score":0.2639999985694885},{"id":"https://openalex.org/C170130773","wikidata":"https://www.wikidata.org/wiki/Q216378","display_name":"Usability","level":2,"score":0.25589999556541443},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.2508000135421753}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.22331/q-2021-11-17-583","is_oa":true,"landing_page_url":"https://doi.org/10.22331/q-2021-11-17-583","pdf_url":"https://quantum-journal.org/papers/q-2021-11-17-583/pdf/","source":{"id":"https://openalex.org/S4210226432","display_name":"Quantum","issn_l":"2521-327X","issn":["2521-327X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310317900","host_organization_name":"Verein zur F\u00f6rderung des Open Access Publizierens in den Quantenwissenschaften","host_organization_lineage":["https://openalex.org/P4310317900"],"host_organization_lineage_names":["Verein zur F\u00f6rderung des Open Access Publizierens in den Quantenwissenschaften"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quantum","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2107.08552","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2107.08552","pdf_url":"https://arxiv.org/pdf/2107.08552","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"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":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:doaj.org/article:bfda774560194a5c899b6c926be4c6f8","is_oa":true,"landing_page_url":"https://doaj.org/article/bfda774560194a5c899b6c926be4c6f8","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Quantum, Vol 5, p 583 (2021)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.22331/q-2021-11-17-583","is_oa":true,"landing_page_url":"https://doi.org/10.22331/q-2021-11-17-583","pdf_url":"https://quantum-journal.org/papers/q-2021-11-17-583/pdf/","source":{"id":"https://openalex.org/S4210226432","display_name":"Quantum","issn_l":"2521-327X","issn":["2521-327X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310317900","host_organization_name":"Verein zur F\u00f6rderung des Open Access Publizierens in den Quantenwissenschaften","host_organization_lineage":["https://openalex.org/P4310317900"],"host_organization_lineage_names":["Verein zur F\u00f6rderung des Open Access Publizierens in den Quantenwissenschaften"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quantum","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1523888516","display_name":null,"funder_award_id":"FA9550-","funder_id":"https://openalex.org/F4320338279","funder_display_name":"Air Force Office of Scientific Research"},{"id":"https://openalex.org/G2279853913","display_name":null,"funder_award_id":"W911NF-19-1","funder_id":"https://openalex.org/F4320338281","funder_display_name":"Army Research Office"},{"id":"https://openalex.org/G2411537105","display_name":null,"funder_award_id":"FA9550-20- 1-0271","funder_id":"https://openalex.org/F4320338279","funder_display_name":"Air Force Office of Scientific Research"},{"id":"https://openalex.org/G27507122","display_name":null,"funder_award_id":"W911NF-19-1-0016","funder_id":"https://openalex.org/F4320338281","funder_display_name":"Army Research Office"},{"id":"https://openalex.org/G3350897231","display_name":null,"funder_award_id":"W911NF-15-1-0421","funder_id":"https://openalex.org/F4320338281","funder_display_name":"Army Research Office"},{"id":"https://openalex.org/G36446433","display_name":null,"funder_award_id":"FA9550-20-1","funder_id":"https://openalex.org/F4320338279","funder_display_name":"Air Force Office of Scientific Research"},{"id":"https://openalex.org/G5385673730","display_name":null,"funder_award_id":"W911NF-15-1-","funder_id":"https://openalex.org/F4320338281","funder_display_name":"Army Research Office"},{"id":"https://openalex.org/G5729145195","display_name":null,"funder_award_id":"FA9550-20","funder_id":"https://openalex.org/F4320338279","funder_display_name":"Air Force Office of Scientific Research"},{"id":"https://openalex.org/G5809100787","display_name":null,"funder_award_id":"FA9550","funder_id":"https://openalex.org/F4320338279","funder_display_name":"Air Force Office of Scientific Research"},{"id":"https://openalex.org/G7452299184","display_name":null,"funder_award_id":"W911NF","funder_id":"https://openalex.org/F4320338281","funder_display_name":"Army Research Office"},{"id":"https://openalex.org/G8415477955","display_name":null,"funder_award_id":"W911NF-19","funder_id":"https://openalex.org/F4320338281","funder_display_name":"Army Research Office"},{"id":"https://openalex.org/G8998121839","display_name":null,"funder_award_id":"911NF","funder_id":"https://openalex.org/F4320338281","funder_display_name":"Army Research Office"}],"funders":[{"id":"https://openalex.org/F4320309475","display_name":"Northwestern University","ror":"https://ror.org/000e0be47"},{"id":"https://openalex.org/F4320338279","display_name":"Air Force Office of Scientific Research","ror":"https://ror.org/011e9bt93"},{"id":"https://openalex.org/F4320338281","display_name":"Army Research Office","ror":"https://ror.org/05epdh915"},{"id":"https://openalex.org/F4320338288","display_name":"Fermilab","ror":"https://ror.org/020hgte69"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3185287709.pdf","grobid_xml":"https://content.openalex.org/works/W3185287709.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W1516946634","https://openalex.org/W1521266393","https://openalex.org/W1586616006","https://openalex.org/W1963734567","https://openalex.org/W1964807490","https://openalex.org/W1967722604","https://openalex.org/W1968256495","https://openalex.org/W1983336715","https://openalex.org/W2005396788","https://openalex.org/W2020018917","https://openalex.org/W2042518996","https://openalex.org/W2060352036","https://openalex.org/W2060904747","https://openalex.org/W2063513958","https://openalex.org/W2068163719","https://openalex.org/W2081228352","https://openalex.org/W2118492081","https://openalex.org/W2143784259","https://openalex.org/W2154196599","https://openalex.org/W2530247960","https://openalex.org/W2743716481","https://openalex.org/W2943703444","https://openalex.org/W2950805899","https://openalex.org/W3009735376"],"related_works":[],"abstract_inverted_index":{"<mml:math":[0,40,136,185],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"><mml:mrow":[1,41,137,186],"class=\"MJX-TeXAtom-ORD\"><mml:mtext":[2,42,138,187],"mathvariant=\"bold\">scqubits</mml:mtext></mml:mrow></mml:math>":[3,43,139,188],"is":[4],"an":[5,113],"open-source":[6],"Python":[7,161,199],"package":[8,145],"for":[9,50,118,211],"simulating":[10,212],"and":[11,35,104],"analyzing":[12],"superconducting":[13,25,102],"circuits.":[14],"It":[15],"provides":[16,112],"convenient":[17],"routines":[18],"to":[19,78,90,95,124,194,205],"obtain":[20],"energy":[21,59],"spectra":[22],"of":[23,48,58,64,68,71,84,100,116,127,135,180],"common":[24],"qubits,":[26,92],"such":[27],"as":[28,61,74,76,163,165],"the":[29,36,52,144,174,177,195,203],"transmon,":[30],"fluxonium,":[31],"flux,":[32],"cos(2<mml:math":[33],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"><mml:mi>\u03d5</mml:mi></mml:math>)":[34],"0-<mml:math":[37],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"><mml:mi>\u03c0</mml:mi></mml:math>":[38],"qubit.":[39],"also":[44,146],"features":[45],"a":[46,62,125,152,191],"number":[47],"options":[49],"visualizing":[51],"computed":[53],"spectral":[54],"data,":[55],"including":[56],"plots":[57],"levels":[60],"function":[63],"external":[65],"parameters,":[66],"display":[67],"matrix":[69],"elements":[70],"various":[72,170],"operators":[73],"well":[75,164],"means":[77],"easily":[79],"plot":[80],"qubit":[81,120],"wavefunctions.":[82],"Many":[83],"these":[85],"tools":[86],"are":[87],"not":[88],"limited":[89],"single":[91],"but":[93],"extend":[94],"composite":[96],"Hilbert":[97],"spaces":[98],"consisting":[99],"coupled":[101],"qubits":[103],"harmonic":[105],"(or":[106],"weakly":[107],"anharmonic)":[108],"modes.":[109],"The":[110],"library":[111,175],"extensive":[114],"suite":[115],"methods":[117],"estimating":[119],"coherence":[121],"times":[122],"due":[123],"variety":[126],"commonly":[128],"considered":[129],"noise":[130],"channels.":[131],"While":[132],"all":[133],"functionality":[134],"can":[140,155],"be":[141],"accessed":[142],"programatically,":[143],"implements":[147],"GUI-like":[148],"widgets":[149],"that,":[150],"with":[151],"few":[153],"clicks":[154],"help":[156],"users":[157],"both":[158],"create":[159],"relevant":[160],"objects,":[162],"explore":[166],"their":[167],"properties":[168],"through":[169],"plots.":[171],"When":[172],"applicable,":[173],"harnesses":[176],"computing":[178],"power":[179],"multiple":[181],"cores":[182],"via":[183],"multiprocessing.":[184],"further":[189],"exposes":[190],"direct":[192],"interface":[193],"Quantum":[196],"Toolbox":[197],"in":[198],"(QuTiP)":[200],"package,":[201],"allowing":[202],"user":[204],"efficiently":[206],"leverage":[207],"QuTiP's":[208],"proven":[209],"capabilities":[210],"time":[213],"evolution.":[214]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":31},{"year":2024,"cited_by_count":17},{"year":2023,"cited_by_count":17},{"year":2022,"cited_by_count":9}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2021-08-02T00:00:00"}