{"id":"https://openalex.org/W7204016719","doi":null,"title":"ZZ and ZZZ coupling in a three-qubit system","display_name":"ZZ and ZZZ coupling in a three-qubit system","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7204016719"},"language":"en","primary_location":{"id":"pmh:oai:lup-student-papers.lub.lu.se:9247378","doi":null,"is_oa":true,"landing_page_url":"https://lup.lub.lu.se/student-papers/record/9247378","pdf_url":"https://lup.lub.lu.se/student-papers/record/9247378/file/9247382.pdf","source":{"id":"https://openalex.org/S4306402420","display_name":"Lund University Publications Student Papers (Lund University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I187531555","host_organization_name":"Lund University","host_organization_lineage":["https://openalex.org/I187531555"],"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":"H2"},"volume":null,"type":"dissertation","indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://lup.lub.lu.se/student-papers/record/9247378/file/9247382.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5147828577","display_name":"Oskar Watsfeldt","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Watsfeldt, Oskar","raw_affiliation_strings":["University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5147828577"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"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/T10020","display_name":"Quantum Information and Cryptography","score":0.95169997215271,"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/T10020","display_name":"Quantum Information and Cryptography","score":0.95169997215271,"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/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.023099999874830246,"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":0.00419999985024333,"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/zzz-coupling","display_name":"ZZZ coupling","score":0.9990000128746033},{"id":"https://openalex.org/keywords/three-qubit-systems","display_name":"three-qubit systems","score":0.8859999775886536},{"id":"https://openalex.org/keywords/transmon-qubits","display_name":"transmon qubits","score":0.9449999928474426},{"id":"https://openalex.org/keywords/superconducting-qubits","display_name":"superconducting qubits","score":0.9750000238418579},{"id":"https://openalex.org/keywords/qubit-qubit-interaction","display_name":"qubit-qubit interaction","score":0.8899999856948853},{"id":"https://openalex.org/keywords/schrieffer-wolff-transformation","display_name":"Schrieffer-Wolff transformation","score":0.9789999723434448},{"id":"https://openalex.org/keywords/energy-correction","display_name":"energy correction","score":0.9449999928474426},{"id":"https://openalex.org/keywords/quantum-hardware","display_name":"quantum computing hardware","score":0.4580000042915344}],"concepts":[{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.6097000241279602},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5914000272750854},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.4390000104904175},{"id":"https://openalex.org/C2776222033","wikidata":"https://www.wikidata.org/wiki/Q7834688","display_name":"Transmon","level":4,"score":0.42250001430511475},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.3806999921798706},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.3107999861240387},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.3070000112056732},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.30169999599456787},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3010999858379364},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.29089999198913574},{"id":"https://openalex.org/C183276030","wikidata":"https://www.wikidata.org/wiki/Q1193095","display_name":"Coupling constant","level":2,"score":0.2890999913215637},{"id":"https://openalex.org/C2989164559","wikidata":"https://www.wikidata.org/wiki/Q15637420","display_name":"Low energy","level":2,"score":0.2827000021934509},{"id":"https://openalex.org/C33332235","wikidata":"https://www.wikidata.org/wiki/Q18362","display_name":"Theoretical physics","level":1,"score":0.2718999981880188},{"id":"https://openalex.org/C109214941","wikidata":"https://www.wikidata.org/wiki/Q18334","display_name":"Particle physics","level":1,"score":0.2685999870300293},{"id":"https://openalex.org/C53104380","wikidata":"https://www.wikidata.org/wiki/Q4327971","display_name":"Zero-point energy","level":2,"score":0.26330000162124634}],"mesh":[],"locations_count":1,"locations":[{"id":"pmh:oai:lup-student-papers.lub.lu.se:9247378","doi":null,"is_oa":true,"landing_page_url":"https://lup.lub.lu.se/student-papers/record/9247378","pdf_url":"https://lup.lub.lu.se/student-papers/record/9247378/file/9247382.pdf","source":{"id":"https://openalex.org/S4306402420","display_name":"Lund University Publications Student Papers (Lund University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I187531555","host_organization_name":"Lund University","host_organization_lineage":["https://openalex.org/I187531555"],"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":"H2"}],"best_oa_location":{"id":"pmh:oai:lup-student-papers.lub.lu.se:9247378","doi":null,"is_oa":true,"landing_page_url":"https://lup.lub.lu.se/student-papers/record/9247378","pdf_url":"https://lup.lub.lu.se/student-papers/record/9247378/file/9247382.pdf","source":{"id":"https://openalex.org/S4306402420","display_name":"Lund University Publications Student Papers (Lund University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I187531555","host_organization_name":"Lund University","host_organization_lineage":["https://openalex.org/I187531555"],"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":"H2"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321523","display_name":"Chalmers Tekniska H\u00f6gskola","ror":"https://ror.org/040wg7k59"},{"id":"https://openalex.org/F4320321806","display_name":"Lunds Universitet","ror":"https://ror.org/012a77v79"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7204016719.pdf","grobid_xml":"https://content.openalex.org/works/W7204016719.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4402705743","https://openalex.org/W7133874359","https://openalex.org/W3123313414","https://openalex.org/W6887939248","https://openalex.org/W4416945503","https://openalex.org/W7125116341","https://openalex.org/W3215365808","https://openalex.org/W7104016898","https://openalex.org/W3210797230","https://openalex.org/W4304195803"],"abstract_inverted_index":{"This":[0],"Master":[1],"thesis":[2,60],"investigates":[3],"ZZ":[4,58,68,93],"and":[5,25,50,57,92],"ZZZ":[6,56,77,91],"couplings":[7,17,94],"in":[8],"a":[9,62,96],"system":[10],"of":[11,32],"three":[12],"superconducting":[13],"transmon":[14],"qubits.":[15],"Such":[16],"represent":[18],"energy":[19,52],"shifts":[20],"arising":[21],"from":[22],"qubit-qubit":[23],"interactions,":[24],"they":[26],"are":[27],"important":[28],"for":[29],"the":[30,41,76],"performance":[31],"quantum":[33],"computers.":[34],"Adopting":[35],"an":[36,85],"analytical":[37],"method":[38],"based":[39],"on":[40],"Schrieffer-Wolff":[42],"transformation,":[43],"we":[44],"extend":[45],"it":[46],"with":[47,55,95],"new":[48],"insight":[49],"compute":[51],"corrections":[53],"associated":[54],"couplings.The":[59],"explores":[61],"known":[63],"parameter":[64],"region,":[65],"where":[66],"one":[67],"coupling":[69,78],"can":[70,79],"be":[71,80],"eliminated,":[72],"to":[73,89],"find":[74],"if":[75],"made":[81,88],"zero":[82],"simultaneously.":[83],"Lastly,":[84],"attempt":[86],"is":[87],"connect":[90],"simple":[97],"linear":[98],"relationship.":[99]},"counts_by_year":[],"updated_date":"2026-10-27T15:51:10.671819","created_date":"2026-08-23T00:00:00"}