{"id":"https://openalex.org/W4389305984","doi":"https://doi.org/10.22331/q-2023-12-04-1193","title":"The quartic Blochnium: an anharmonic quasicharge superconducting qubit","display_name":"The quartic Blochnium: an anharmonic quasicharge superconducting qubit","publication_year":2023,"publication_date":"2023-12-04","ids":{"openalex":"https://openalex.org/W4389305984","doi":"https://doi.org/10.22331/q-2023-12-04-1193"},"language":"en","primary_location":{"id":"doi:10.22331/q-2023-12-04-1193","is_oa":true,"landing_page_url":"http://dx.doi.org/10.22331/q-2023-12-04-1193","pdf_url":null,"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":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"http://dx.doi.org/10.22331/q-2023-12-04-1193","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5015504301","display_name":"Luca Chirolli","orcid":"https://orcid.org/0000-0002-8439-9949"},"institutions":[{"id":"https://openalex.org/I157210198","display_name":"Scuola Normale Superiore","ror":"https://ror.org/03aydme10","country_code":"IT","type":"education","lineage":["https://openalex.org/I157210198"]},{"id":"https://openalex.org/I4210087815","display_name":"Istituto Nanoscienze","ror":"https://ror.org/0042e5975","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210087815","https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Luca Chirolli","raw_affiliation_strings":["NEST Istituto Nanoscienze-CNR and Scuola Normale Superiore, I-56127 Pisa, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NEST Istituto Nanoscienze-CNR and Scuola Normale Superiore, I-56127 Pisa, Italy","institution_ids":["https://openalex.org/I157210198","https://openalex.org/I4210087815"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083569493","display_name":"Matteo Carrega","orcid":"https://orcid.org/0000-0002-1956-7715"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Matteo Carrega","raw_affiliation_strings":["CNR-Spin, Via Dodecaneso 33, I-16146 Genova"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CNR-Spin, Via Dodecaneso 33, I-16146 Genova","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5059450888","display_name":"Francesco Giazotto","orcid":"https://orcid.org/0000-0002-1571-137X"},"institutions":[{"id":"https://openalex.org/I157210198","display_name":"Scuola Normale Superiore","ror":"https://ror.org/03aydme10","country_code":"IT","type":"education","lineage":["https://openalex.org/I157210198"]},{"id":"https://openalex.org/I4210087815","display_name":"Istituto Nanoscienze","ror":"https://ror.org/0042e5975","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210087815","https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Francesco Giazotto","raw_affiliation_strings":["NEST Istituto Nanoscienze-CNR and Scuola Normale Superiore, I-56127 Pisa, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NEST Istituto Nanoscienze-CNR and Scuola Normale Superiore, I-56127 Pisa, Italy","institution_ids":["https://openalex.org/I157210198","https://openalex.org/I4210087815"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":200,"currency":"EUR","value_usd":215},"apc_paid":{"value":200,"currency":"EUR","value_usd":215},"fwci":0.5356,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.64089982,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"7","issue":null,"first_page":"1193","last_page":"1193"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10037","display_name":"Physics of Superconductivity and Magnetism","score":0.9998999834060669,"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":0.9998999834060669,"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/T10382","display_name":"Quantum and electron transport phenomena","score":0.9998999834060669,"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":0.9990000128746033,"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/transmon","display_name":"Transmon","score":0.9639575481414795},{"id":"https://openalex.org/keywords/anharmonicity","display_name":"Anharmonicity","score":0.8854351043701172},{"id":"https://openalex.org/keywords/qubit","display_name":"Qubit","score":0.7985454201698303},{"id":"https://openalex.org/keywords/flux-qubit","display_name":"Flux qubit","score":0.7822423577308655},{"id":"https://openalex.org/keywords/josephson-effect","display_name":"Josephson effect","score":0.7567806243896484},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.6055728793144226},{"id":"https://openalex.org/keywords/quartic-function","display_name":"Quartic function","score":0.5603785514831543},{"id":"https://openalex.org/keywords/charge-qubit","display_name":"Charge qubit","score":0.5531231760978699},{"id":"https://openalex.org/keywords/phase-qubit","display_name":"Phase qubit","score":0.49213236570358276},{"id":"https://openalex.org/keywords/superconductivity","display_name":"Superconductivity","score":0.4866507947444916},{"id":"https://openalex.org/keywords/condensed-matter-physics","display_name":"Condensed matter physics","score":0.4790019690990448},{"id":"https://openalex.org/keywords/quantum","display_name":"Quantum","score":0.46922287344932556},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.4647452235221863},{"id":"https://openalex.org/keywords/superconducting-tunnel-junction","display_name":"Superconducting tunnel junction","score":0.4183666706085205},{"id":"https://openalex.org/keywords/pi-josephson-junction","display_name":"Pi Josephson junction","score":0.2919037342071533},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12118697166442871}],"concepts":[{"id":"https://openalex.org/C2776222033","wikidata":"https://www.wikidata.org/wiki/Q7834688","display_name":"Transmon","level":4,"score":0.9639575481414795},{"id":"https://openalex.org/C147724859","wikidata":"https://www.wikidata.org/wiki/Q545228","display_name":"Anharmonicity","level":2,"score":0.8854351043701172},{"id":"https://openalex.org/C203087015","wikidata":"https://www.wikidata.org/wiki/Q378201","display_name":"Qubit","level":3,"score":0.7985454201698303},{"id":"https://openalex.org/C109546105","wikidata":"https://www.wikidata.org/wiki/Q5463032","display_name":"Flux qubit","level":4,"score":0.7822423577308655},{"id":"https://openalex.org/C12038964","wikidata":"https://www.wikidata.org/wiki/Q764228","display_name":"Josephson effect","level":3,"score":0.7567806243896484},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6055728793144226},{"id":"https://openalex.org/C130432447","wikidata":"https://www.wikidata.org/wiki/Q11420049","display_name":"Quartic function","level":2,"score":0.5603785514831543},{"id":"https://openalex.org/C85608146","wikidata":"https://www.wikidata.org/wiki/Q5074271","display_name":"Charge qubit","level":5,"score":0.5531231760978699},{"id":"https://openalex.org/C73214911","wikidata":"https://www.wikidata.org/wiki/Q7180959","display_name":"Phase qubit","level":4,"score":0.49213236570358276},{"id":"https://openalex.org/C54101563","wikidata":"https://www.wikidata.org/wiki/Q124131","display_name":"Superconductivity","level":2,"score":0.4866507947444916},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.4790019690990448},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.46922287344932556},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.4647452235221863},{"id":"https://openalex.org/C103778262","wikidata":"https://www.wikidata.org/wiki/Q3769866","display_name":"Superconducting tunnel junction","level":5,"score":0.4183666706085205},{"id":"https://openalex.org/C180349316","wikidata":"https://www.wikidata.org/wiki/Q7189956","display_name":"Pi Josephson junction","level":4,"score":0.2919037342071533},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12118697166442871},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.22331/q-2023-12-04-1193","is_oa":true,"landing_page_url":"http://dx.doi.org/10.22331/q-2023-12-04-1193","pdf_url":null,"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:flore.unifi.it:2158/1421472","is_oa":true,"landing_page_url":"https://quantum-journal.org/papers/q-2023-12-04-1193/","pdf_url":"https://quantum-journal.org/papers/q-2023-12-04-1193/pdf/","source":{"id":"https://openalex.org/S4306402033","display_name":"Florence Research (University of Florence)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45084792","host_organization_name":"University of Florence","host_organization_lineage":["https://openalex.org/I45084792"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:doaj.org/article:6ee87ce13a5b40eb8063512261530fae","is_oa":true,"landing_page_url":"https://doaj.org/article/6ee87ce13a5b40eb8063512261530fae","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"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 7, p 1193 (2023)","raw_type":"article"},{"id":"pmh:oai:flore.unifi.it:2158/1421464","is_oa":false,"landing_page_url":"https://hdl.handle.net/2158/1421464","pdf_url":null,"source":{"id":"https://openalex.org/S4306402033","display_name":"Florence Research (University of Florence)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45084792","host_organization_name":"University of Florence","host_organization_lineage":["https://openalex.org/I45084792"],"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":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.22331/q-2023-12-04-1193","is_oa":true,"landing_page_url":"http://dx.doi.org/10.22331/q-2023-12-04-1193","pdf_url":null,"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":[],"funders":[{"id":"https://openalex.org/F4320332999","display_name":"Horizon 2020 Framework Programme","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320335254","display_name":"Horizon 2020","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":74,"referenced_works":["https://openalex.org/W1586616006","https://openalex.org/W1598607945","https://openalex.org/W1826298257","https://openalex.org/W1963734567","https://openalex.org/W1967722604","https://openalex.org/W1967904928","https://openalex.org/W1984125696","https://openalex.org/W1992723232","https://openalex.org/W2001716839","https://openalex.org/W2012227520","https://openalex.org/W2014704465","https://openalex.org/W2022589271","https://openalex.org/W2026868632","https://openalex.org/W2030383338","https://openalex.org/W2030480786","https://openalex.org/W2046645386","https://openalex.org/W2063445395","https://openalex.org/W2063513958","https://openalex.org/W2064290018","https://openalex.org/W2109775665","https://openalex.org/W2143784259","https://openalex.org/W2165522136","https://openalex.org/W2170847547","https://openalex.org/W2173810284","https://openalex.org/W2463723514","https://openalex.org/W2502126115","https://openalex.org/W2530247960","https://openalex.org/W2617427937","https://openalex.org/W2785926376","https://openalex.org/W2803186226","https://openalex.org/W2893119411","https://openalex.org/W2896656542","https://openalex.org/W2898162145","https://openalex.org/W2943703444","https://openalex.org/W2947902637","https://openalex.org/W2950805899","https://openalex.org/W2950826795","https://openalex.org/W2977426805","https://openalex.org/W2979052516","https://openalex.org/W2981103652","https://openalex.org/W3007023222","https://openalex.org/W3011171913","https://openalex.org/W3033797501","https://openalex.org/W3038569871","https://openalex.org/W3043514756","https://openalex.org/W3060960901","https://openalex.org/W3096356374","https://openalex.org/W3098156680","https://openalex.org/W3098700281","https://openalex.org/W3099044099","https://openalex.org/W3099517769","https://openalex.org/W3101992270","https://openalex.org/W3102747293","https://openalex.org/W3102943343","https://openalex.org/W3102951873","https://openalex.org/W3103195272","https://openalex.org/W3103558166","https://openalex.org/W3103768005","https://openalex.org/W3105910495","https://openalex.org/W3114258408","https://openalex.org/W3118687973","https://openalex.org/W3138004811","https://openalex.org/W3197844976","https://openalex.org/W3200198081","https://openalex.org/W3217028148","https://openalex.org/W4220798572","https://openalex.org/W4290086589","https://openalex.org/W4297695584","https://openalex.org/W4306942270","https://openalex.org/W4307283983","https://openalex.org/W4309046665","https://openalex.org/W4312180421","https://openalex.org/W4313591749","https://openalex.org/W6958769664"],"related_works":["https://openalex.org/W3099809282","https://openalex.org/W4237668728","https://openalex.org/W2083998576","https://openalex.org/W3157858846","https://openalex.org/W2064756338","https://openalex.org/W2054822175","https://openalex.org/W1667708903","https://openalex.org/W1646629990","https://openalex.org/W2514130442","https://openalex.org/W3112140649"],"abstract_inverted_index":{"The":[0,79],"quasicharge":[1],"superconducting":[2],"qubit":[3],"realizes":[4],"the":[5,8,31,38,43,77,104],"dual":[6],"of":[7,37,74,89],"transmon":[9],"and":[10,16,50,69],"shows":[11,94],"strong":[12],"robustness":[13],"to":[14,20,53,76],"flux":[15],"charge":[17],"fluctuations":[18,97],"thanks":[19],"a":[21,27,34,61,66,71,85,100],"very":[22],"large":[23],"inductance":[24],"closed":[25],"on":[26,103],"Josephson":[28,90],"junction.":[29],"At":[30],"same":[32],"time,":[33],"weak":[35],"anharmonicity":[36,75],"spectrum":[39],"is":[40,51,82],"inherited":[41],"from":[42],"parent":[44],"transmon,":[45],"that":[46,64,93],"introduces":[47],"leakage":[48],"errors":[49],"prone":[52],"frequency":[54],"crowding":[55],"in":[56],"multi-qubit":[57],"setups.":[58],"We":[59],"propose":[60],"novel":[62],"design":[63],"employs":[65],"quartic":[67,80],"superinductor":[68],"confers":[70],"good":[72],"degree":[73],"spectrum.":[78],"regime":[81],"achieved":[83],"through":[84],"properly":[86],"designed":[87],"chain":[88],"junction":[91],"loops":[92],"minimal":[95],"quantum":[96],"without":[98],"introducing":[99],"severe":[101],"dependence":[102],"external":[105],"fluxes.":[106]},"counts_by_year":[{"year":2024,"cited_by_count":3}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
