{"id":"https://openalex.org/W1978455437","doi":"https://doi.org/10.1063/1.449067","title":"Towards a full CCSDT model for electron correlation","display_name":"Towards a full CCSDT model for electron correlation","publication_year":1985,"publication_date":"1985-10-15","ids":{"openalex":"https://openalex.org/W1978455437","doi":"https://doi.org/10.1063/1.449067","mag":"1978455437"},"language":"en","primary_location":{"id":"doi:10.1063/1.449067","doi":"https://doi.org/10.1063/1.449067","is_oa":false,"landing_page_url":"https://doi.org/10.1063/1.449067","pdf_url":null,"source":{"id":"https://openalex.org/S77047749","display_name":"The Journal of Chemical Physics","issn_l":"0021-9606","issn":["0021-9606","1089-7690","1520-9032"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320257","host_organization_name":"American Institute of Physics","host_organization_lineage":["https://openalex.org/P4310320257"],"host_organization_lineage_names":["American Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Chemical Physics","raw_type":"journal-article"},"parent_works":[],"lineage":["https://openalex.org/W1978455437"],"child_works_count":0,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5037208653","display_name":"Miroslav Urban","orcid":"https://orcid.org/0000-0003-0379-6414","observed_orcids":["https://orcid.org/0000-0003-0379-6414"]},"institutions":[{"id":"https://openalex.org/I33213144","display_name":"University of Florida","ror":"https://ror.org/02y3ad647","country_code":"US","type":"education","lineage":["https://openalex.org/I33213144"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Miroslav Urban","raw_affiliation_strings":["Quantum Theory Project, University of Florida, Gainesville, Florida 32611"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Quantum Theory Project, University of Florida, Gainesville, Florida 32611","institution_ids":["https://openalex.org/I33213144"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015156976","display_name":"Jozef Noga","orcid":"https://orcid.org/0000-0003-3960-498X","observed_orcids":["https://orcid.org/0000-0003-3960-498X"]},"institutions":[{"id":"https://openalex.org/I207624831","display_name":"Slovak Academy of Sciences","ror":"https://ror.org/03h7qq074","country_code":"SK","type":"government","lineage":["https://openalex.org/I207624831"]},{"id":"https://openalex.org/I4210111833","display_name":"Institute of Inorganic Chemistry of the Slovak Academy of Sciences","ror":"https://ror.org/01tpajh44","country_code":"SK","type":"facility","lineage":["https://openalex.org/I207624831","https://openalex.org/I4210111833"]}],"countries":["SK"],"is_corresponding":false,"raw_author_name":"Jozef Noga","raw_affiliation_strings":["Institute of Inorganic Chemistry, Slovak Academy of Sciences, 842 36 Bratislava, Czechoslovakia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Inorganic Chemistry, Slovak Academy of Sciences, 842 36 Bratislava, Czechoslovakia","institution_ids":["https://openalex.org/I207624831","https://openalex.org/I4210111833"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085977992","display_name":"Samuel J. Cole","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I33213144","display_name":"University of Florida","ror":"https://ror.org/02y3ad647","country_code":"US","type":"education","lineage":["https://openalex.org/I33213144"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Samuel J. Cole","raw_affiliation_strings":["Quantum Theory Project, University of Florida, Gainesville, Florida 32611"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Quantum Theory Project, University of Florida, Gainesville, Florida 32611","institution_ids":["https://openalex.org/I33213144"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088187289","display_name":"Rodney J. Bartlett","orcid":"https://orcid.org/0000-0003-3865-9639","observed_orcids":["https://orcid.org/0000-0003-3865-9639","https://orcid.org/0000-0003-2240-3743"]},"institutions":[{"id":"https://openalex.org/I33213144","display_name":"University of Florida","ror":"https://ror.org/02y3ad647","country_code":"US","type":"education","lineage":["https://openalex.org/I33213144"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Rodney J. Bartlett","raw_affiliation_strings":["Quantum Theory Project, University of Florida, Gainesville, Florida 32611"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Quantum Theory Project, University of Florida, Gainesville, Florida 32611","institution_ids":["https://openalex.org/I33213144"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3500,"currency":"USD","value_usd":3500},"apc_paid":null,"fwci":13.7225,"has_fulltext":false,"cited_by_count":928,"citation_normalized_percentile":{"value":0.99462768,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"83","issue":"8","first_page":"4041","last_page":"4046"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10002","display_name":"Advanced Chemical Physics Studies","score":0.9951000213623047,"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"}},"topics":[{"id":"https://openalex.org/T10002","display_name":"Advanced Chemical Physics Studies","score":0.9951000213623047,"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/T10523","display_name":"Atomic and Molecular Physics","score":0.002300000051036477,"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/T12044","display_name":"Advanced Physical and Chemical Molecular Interactions","score":0.00039999998989515007,"subfield":{"id":"https://openalex.org/subfields/1606","display_name":"Physical and Theoretical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/electron-correlation","display_name":"electron correlation","score":0.828000009059906},{"id":"https://openalex.org/keywords/ccsdt","display_name":"CCSDT","score":0.8790000081062317},{"id":"https://openalex.org/keywords/triple-excitations","display_name":"triple excitations","score":0.7730000019073486},{"id":"https://openalex.org/keywords/coupled-cluster-theory","display_name":"coupled-cluster theory","score":0.5860000252723694},{"id":"https://openalex.org/keywords/fourth-order-perturbation-theory","display_name":"fourth-order perturbation theory","score":0.6890000104904175},{"id":"https://openalex.org/keywords/excitation-coefficients","display_name":"excitation coefficients","score":0.5910000205039978},{"id":"https://openalex.org/keywords/electron-correlation-energy","display_name":"electron correlation energy","score":0.5630000233650208}],"concepts":[{"id":"https://openalex.org/C19637589","wikidata":"https://www.wikidata.org/wiki/Q1117940","display_name":"Coupled cluster","level":3,"score":0.8747698068618774},{"id":"https://openalex.org/C83581075","wikidata":"https://www.wikidata.org/wiki/Q1361503","display_name":"Excitation","level":2,"score":0.7506686449050903},{"id":"https://openalex.org/C17020691","wikidata":"https://www.wikidata.org/wiki/Q139677","display_name":"Operator (biology)","level":5,"score":0.6916928291320801},{"id":"https://openalex.org/C35052450","wikidata":"https://www.wikidata.org/wiki/Q2733663","display_name":"Electronic correlation","level":3,"score":0.5442008376121521},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5429839491844177},{"id":"https://openalex.org/C164866538","wikidata":"https://www.wikidata.org/wiki/Q367351","display_name":"Cluster (spacecraft)","level":2,"score":0.47132518887519836},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.3862478733062744},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.3506343960762024},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.3356446921825409},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.20851823687553406},{"id":"https://openalex.org/C32909587","wikidata":"https://www.wikidata.org/wiki/Q11369","display_name":"Molecule","level":2,"score":0.1499527096748352},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.12136474251747131},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C158448853","wikidata":"https://www.wikidata.org/wiki/Q425218","display_name":"Repressor","level":4,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C86339819","wikidata":"https://www.wikidata.org/wiki/Q407384","display_name":"Transcription factor","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1063/1.449067","doi":"https://doi.org/10.1063/1.449067","is_oa":false,"landing_page_url":"https://doi.org/10.1063/1.449067","pdf_url":null,"source":{"id":"https://openalex.org/S77047749","display_name":"The Journal of Chemical Physics","issn_l":"0021-9606","issn":["0021-9606","1089-7690","1520-9032"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320257","host_organization_name":"American Institute of Physics","host_organization_lineage":["https://openalex.org/P4310320257"],"host_organization_lineage_names":["American Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Chemical Physics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W253219158","https://openalex.org/W1965975051","https://openalex.org/W1972162534","https://openalex.org/W1972352258","https://openalex.org/W1975227103","https://openalex.org/W1977606187","https://openalex.org/W1978857818","https://openalex.org/W1992696579","https://openalex.org/W1994996762","https://openalex.org/W2003735652","https://openalex.org/W2006007363","https://openalex.org/W2006190302","https://openalex.org/W2008117787","https://openalex.org/W2012458244","https://openalex.org/W2019348839","https://openalex.org/W2035559991","https://openalex.org/W2043930719","https://openalex.org/W2052446134","https://openalex.org/W2059206104","https://openalex.org/W2064179611","https://openalex.org/W2074034382","https://openalex.org/W2075908574","https://openalex.org/W2080618037","https://openalex.org/W2087743583","https://openalex.org/W2089151305","https://openalex.org/W2091828981","https://openalex.org/W2109931506","https://openalex.org/W2125170034","https://openalex.org/W2177252302"],"related_works":["https://openalex.org/W1972352258","https://openalex.org/W1983436443","https://openalex.org/W1986020639","https://openalex.org/W2022591290","https://openalex.org/W1973519836","https://openalex.org/W1554536861","https://openalex.org/W2048953095","https://openalex.org/W2042300609","https://openalex.org/W2094692228","https://openalex.org/W2012458244"],"abstract_inverted_index":{"Coupled":[0],"cluster":[1,35],"models":[2],"for":[3,72],"electron":[4],"correlation":[5],"which":[6],"include":[7],"the":[8,23,32,41,57,69,73,76,93,112],"effects":[9],"of":[10,22,43,52,68,75,78,92],"single,":[11],"double,":[12],"and":[13,45],"triple":[14,53],"excitation":[15,47,54],"operators":[16],"are":[17],"analyzed.":[18],"An":[19],"alternate":[20],"version":[21],"approximate":[24],"CCSDT-1":[25,114],"method":[26],"is":[27,38,60,96,104],"implemented.":[28],"In":[29,86],"this":[30,87],"version,":[31],"full":[33],"CCSDT":[34],"operator":[36,59],"eT1+T2+T3":[37],"preserved":[39],"in":[40,50],"creation":[42],"single":[44],"double":[46],"coefficients,":[48],"but":[49],"calculation":[51,91],"coefficients":[55],"only":[56],"T2":[58,101],"used.":[61],"We":[62],"also":[63],"present":[64],"a":[65,108],"theoretical":[66],"analysis":[67],"simplest":[70],"improvement":[71],"evaluation":[74],"contribution":[77],"triples":[79,94],"beyond":[80],"that":[81],"obtained":[82],"with":[83,98],"fourth-order":[84],"MBPT.":[85],"approximation,":[88],"an":[89],"MBPT(4)-like":[90],"energy":[95],"evaluated":[97],"converged":[99,113],"CCSD":[100],"coefficients.":[102],"This":[103],"found":[105],"to":[106,111],"offer":[107],"good":[109],"approximation":[110],"results.":[115]},"counts_by_year":[{"year":2026,"cited_by_count":19},{"year":2025,"cited_by_count":18},{"year":2024,"cited_by_count":27},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":24},{"year":2021,"cited_by_count":27},{"year":2020,"cited_by_count":17},{"year":2019,"cited_by_count":13},{"year":2018,"cited_by_count":21},{"year":2017,"cited_by_count":18},{"year":2016,"cited_by_count":19},{"year":2015,"cited_by_count":12},{"year":2014,"cited_by_count":19},{"year":2013,"cited_by_count":27},{"year":2012,"cited_by_count":19}],"updated_date":"2026-11-13T13:42:25.865203","created_date":"2016-06-24T00:00:00"}
