{"id":"https://openalex.org/W1980653115","doi":"https://doi.org/10.1209/epl/i2004-10129-2","title":"Ground-state entanglement in interacting bosonic graphs","display_name":"Ground-state entanglement in interacting bosonic graphs","publication_year":2004,"publication_date":"2004-10-01","ids":{"openalex":"https://openalex.org/W1980653115","doi":"https://doi.org/10.1209/epl/i2004-10129-2","mag":"1980653115"},"language":"en","primary_location":{"id":"doi:10.1209/epl/i2004-10129-2","doi":"https://doi.org/10.1209/epl/i2004-10129-2","is_oa":true,"landing_page_url":"https://doi.org/10.1209/epl/i2004-10129-2","pdf_url":"https://iopscience.iop.org/article/10.1209/epl/i2004-10129-2/pdf","source":{"id":"https://openalex.org/S161185981","display_name":"Europhysics Letters (EPL)","issn_l":"0295-5075","issn":["0295-5075","1286-4854"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310311669","host_organization_name":"Institute of Physics","host_organization_lineage":["https://openalex.org/P4310311669"],"host_organization_lineage_names":["Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Europhysics Letters (EPL)","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://iopscience.iop.org/article/10.1209/epl/i2004-10129-2/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"P Giorda","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I134940468","display_name":"Institute for Scientific Interchange","ror":"https://ror.org/00te2x188","country_code":"IT","type":"facility","lineage":["https://openalex.org/I134940468"]},{"id":"https://openalex.org/I4210163092","display_name":"Istituto Nazionale per la Fisica della Materia","ror":"https://ror.org/02kswma64","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210155236","https://openalex.org/I4210163092"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"P Giorda","raw_affiliation_strings":["Institute for Scientific Interchange (ISI), Villa Gualino Viale Settimio Severo 65, I-10133 Torino, Italy","Istituto Nazionale per la Fisica della Materia (INFM), UdR Torino-Politecnico I-10129 Torino, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Scientific Interchange (ISI), Villa Gualino Viale Settimio Severo 65, I-10133 Torino, Italy","institution_ids":["https://openalex.org/I134940468"]},{"raw_affiliation_string":"Istituto Nazionale per la Fisica della Materia (INFM), UdR Torino-Politecnico I-10129 Torino, Italy","institution_ids":["https://openalex.org/I4210163092"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019531261","display_name":"Paolo Zanardi","orcid":"https://orcid.org/0009-0002-6747-8896","observed_orcids":["https://orcid.org/0009-0002-6747-8896"]},"institutions":[{"id":"https://openalex.org/I134940468","display_name":"Institute for Scientific Interchange","ror":"https://ror.org/00te2x188","country_code":"IT","type":"facility","lineage":["https://openalex.org/I134940468"]},{"id":"https://openalex.org/I4210163092","display_name":"Istituto Nazionale per la Fisica della Materia","ror":"https://ror.org/02kswma64","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210155236","https://openalex.org/I4210163092"]},{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["IT","US"],"is_corresponding":false,"raw_author_name":"P Zanardi","raw_affiliation_strings":["Department of Mechanical Engineering, Massachusetts Institute of Technology Cambridge, MA 02139, USA","Institute for Scientific Interchange (ISI), Villa Gualino Viale Settimio Severo 65, I-10133 Torino, Italy","Istituto Nazionale per la Fisica della Materia (INFM), UdR Torino-Politecnico I-10129 Torino, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Massachusetts Institute of Technology Cambridge, MA 02139, USA","institution_ids":["https://openalex.org/I63966007"]},{"raw_affiliation_string":"Institute for Scientific Interchange (ISI), Villa Gualino Viale Settimio Severo 65, I-10133 Torino, Italy","institution_ids":["https://openalex.org/I134940468"]},{"raw_affiliation_string":"Istituto Nazionale per la Fisica della Materia (INFM), UdR Torino-Politecnico I-10129 Torino, Italy","institution_ids":["https://openalex.org/I4210163092"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1895,"currency":"USD","value_usd":1895},"apc_paid":null,"fwci":0.5541,"has_fulltext":true,"cited_by_count":19,"citation_normalized_percentile":{"value":0.60738465,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"68","issue":"2","first_page":"163","last_page":"169"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11804","display_name":"Quantum many-body systems","score":0.7979000210762024,"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/T11804","display_name":"Quantum many-body systems","score":0.7979000210762024,"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/T10425","display_name":"Cold Atom Physics and Bose-Einstein Condensates","score":0.1242000013589859,"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":0.034299999475479126,"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/ground-state-entanglement","display_name":"ground state entanglement","score":0.8980000019073486},{"id":"https://openalex.org/keywords/quantum-tunneling","display_name":"quantum tunneling","score":0.7559999823570251},{"id":"https://openalex.org/keywords/mode-entanglement","display_name":"mode entanglement","score":0.8420000076293945},{"id":"https://openalex.org/keywords/graph-topology","display_name":"graph topology","score":0.9079999923706055},{"id":"https://openalex.org/keywords/tunneling-amplitude","display_name":"tunneling amplitude","score":0.7559999823570251},{"id":"https://openalex.org/keywords/complete-graphs","display_name":"complete graphs","score":0.7519999742507935},{"id":"https://openalex.org/keywords/bipartite-entanglement","display_name":"bipartite entanglement","score":0.972000002861023},{"id":"https://openalex.org/keywords/interacting-bosons","display_name":"interacting bosons","score":0.7350000143051147}],"concepts":[{"id":"https://openalex.org/C121040770","wikidata":"https://www.wikidata.org/wiki/Q215675","display_name":"Quantum entanglement","level":3,"score":0.725600004196167},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.5799999833106995},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5407999753952026},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.49619999527931213},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.4885999858379364},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.4603999853134155},{"id":"https://openalex.org/C120398109","wikidata":"https://www.wikidata.org/wiki/Q175751","display_name":"Quantum tunnelling","level":2,"score":0.4320000112056732},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.42170000076293945},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3953000009059906},{"id":"https://openalex.org/C69523127","wikidata":"https://www.wikidata.org/wiki/Q4480008","display_name":"Ground state","level":2,"score":0.3783999979496002},{"id":"https://openalex.org/C206040425","wikidata":"https://www.wikidata.org/wiki/Q4748511","display_name":"Amplitude damping channel","level":5,"score":0.3314000070095062},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.31940001249313354},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.29919999837875366},{"id":"https://openalex.org/C164886730","wikidata":"https://www.wikidata.org/wiki/Q7269054","display_name":"Quantum graph","level":3,"score":0.2955000102519989},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.2858000099658966},{"id":"https://openalex.org/C25536358","wikidata":"https://www.wikidata.org/wiki/Q106667","display_name":"Superfluidity","level":2,"score":0.2840000092983246},{"id":"https://openalex.org/C113603373","wikidata":"https://www.wikidata.org/wiki/Q2362761","display_name":"Wave function","level":2,"score":0.28220000863075256},{"id":"https://openalex.org/C88230418","wikidata":"https://www.wikidata.org/wiki/Q131476","display_name":"Graph theory","level":2,"score":0.2694999873638153},{"id":"https://openalex.org/C13355873","wikidata":"https://www.wikidata.org/wiki/Q2920850","display_name":"Connection (principal bundle)","level":2,"score":0.26829999685287476},{"id":"https://openalex.org/C58053490","wikidata":"https://www.wikidata.org/wiki/Q176555","display_name":"Quantum computer","level":3,"score":0.25769999623298645}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1209/epl/i2004-10129-2","doi":"https://doi.org/10.1209/epl/i2004-10129-2","is_oa":true,"landing_page_url":"https://doi.org/10.1209/epl/i2004-10129-2","pdf_url":"https://iopscience.iop.org/article/10.1209/epl/i2004-10129-2/pdf","source":{"id":"https://openalex.org/S161185981","display_name":"Europhysics Letters (EPL)","issn_l":"0295-5075","issn":["0295-5075","1286-4854"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310311669","host_organization_name":"Institute of Physics","host_organization_lineage":["https://openalex.org/P4310311669"],"host_organization_lineage_names":["Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Europhysics Letters (EPL)","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:quant-ph/0311058","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/quant-ph/0311058","pdf_url":"https://arxiv.org/pdf/quant-ph/0311058","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:edpsciences.org:dkey/10.1209/epl/i2004-10129-2","doi":null,"is_oa":false,"landing_page_url":"http://epljournal.edpsciences.org/10.1209/epl/i2004-10129-2/pdf","pdf_url":"http://epljournal.edpsciences.org/10.1209/epl/i2004-10129-2/pdf","source":{"id":"https://openalex.org/S4306400744","display_name":"Springer Link (Chiba Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I8488066","host_organization_name":"Chiba Institute of Technology","host_organization_lineage":["https://openalex.org/I8488066"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"https://doi.org/10.1209/epl/i2004-10129-2","raw_type":"Text"},{"id":"pmh:oai:cds.cern.ch:682276","doi":null,"is_oa":false,"landing_page_url":"http://cds.cern.ch/record/682276","pdf_url":null,"source":{"id":"https://openalex.org/S4306402195","display_name":"CERN Document Server (European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":null},{"id":"doi:10.48550/arxiv.quant-ph/0311058","doi":"https://doi.org/10.48550/arxiv.quant-ph/0311058","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.quant-ph/0311058","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"doi:10.1209/epl/i2004-10129-2","doi":"https://doi.org/10.1209/epl/i2004-10129-2","is_oa":true,"landing_page_url":"https://doi.org/10.1209/epl/i2004-10129-2","pdf_url":"https://iopscience.iop.org/article/10.1209/epl/i2004-10129-2/pdf","source":{"id":"https://openalex.org/S161185981","display_name":"Europhysics Letters (EPL)","issn_l":"0295-5075","issn":["0295-5075","1286-4854"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310311669","host_organization_name":"Institute of Physics","host_organization_lineage":["https://openalex.org/P4310311669"],"host_organization_lineage_names":["Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Europhysics Letters (EPL)","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1980653115.pdf","grobid_xml":"https://content.openalex.org/works/W1980653115.grobid-xml"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W247697463","https://openalex.org/W1515055485","https://openalex.org/W1620538313","https://openalex.org/W1967336145","https://openalex.org/W1970410822","https://openalex.org/W1973324548","https://openalex.org/W1974617137","https://openalex.org/W1981055574","https://openalex.org/W1990516747","https://openalex.org/W2002598418","https://openalex.org/W2006664108","https://openalex.org/W2007391198","https://openalex.org/W2011050002","https://openalex.org/W2012031497","https://openalex.org/W2016114158","https://openalex.org/W2019669238","https://openalex.org/W2035176060","https://openalex.org/W2035413341","https://openalex.org/W2039714816","https://openalex.org/W2042709601","https://openalex.org/W2062001394","https://openalex.org/W2065908384","https://openalex.org/W2067294640","https://openalex.org/W2068004529","https://openalex.org/W2069862777","https://openalex.org/W2075875928","https://openalex.org/W2085594243","https://openalex.org/W2111145493","https://openalex.org/W2397826713","https://openalex.org/W2964214092"],"related_works":["https://openalex.org/W2085594243","https://openalex.org/W1968014779","https://openalex.org/W1975656567","https://openalex.org/W80593245","https://openalex.org/W1992190783","https://openalex.org/W2971923241","https://openalex.org/W3158714272","https://openalex.org/W4415121477","https://openalex.org/W153430990","https://openalex.org/W1983316857"],"abstract_inverted_index":{"We":[0,129],"consider":[1],"a":[2,12,26,57,69,111,126],"collection":[3],"of":[4,11,23,34,42,53,59,66,85,92,113,120,145],"bosonic":[5],"modes":[6],"corresponding":[7],"to":[8,39,81,125],"the":[9,21,40,43,50,54,60,74,82,86,93,97,117,143,146],"vertices":[10],"graph":[13,44],"\u0393.":[14],"Quantum":[15,32],"tunneling":[16,61,75],"can":[17],"occur":[18],"only":[19],"along":[20],"edges":[22],"\u0393":[24,67],"and":[25,150],"local":[27],"self-interaction":[28],"term":[29],"is":[30,47,122],"present.":[31],"entanglement":[33,138],"one":[35,95],"vertex":[36],"with":[37],"respect":[38],"rest":[41],"(mode":[45],"entanglement)":[46],"analyzed":[48],"in":[49,72,90,142],"ground":[51,152],"state":[52],"system":[55],"as":[56],"function":[58],"amplitude":[62,76],"\u03c4.":[63],"The":[64],"topology":[65],"plays":[68],"major":[70],"role":[71],"determining":[73],"\u03c4":[77,101,121],"max":[78,102],"that":[79,108],"leads":[80],"maximum":[83],"value":[84,119],"mode":[87],"entanglement.":[88],"Whereas":[89],"most":[91],"cases":[94],"finds":[96],"intuitively":[98],"expected":[99],"result":[100],"=":[103],"\u221e":[104],",":[105],"we":[106],"show":[107,131],"there":[109],"exists":[110],"family":[112],"graphs":[114],"for":[115,133],"which":[116],"optimal":[118],"pushed":[123],"down":[124],"finite":[127],"value.":[128],"also":[130],"that,":[132],"complete":[134],"graphs,":[135],"our":[136],"bi-partite":[137],"provides":[139],"useful":[140],"insights":[141],"analysis":[144],"crossover":[147],"between":[148],"insulating":[149],"superfluid":[151],"states.":[153]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":3}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}
