{"id":"https://openalex.org/W1977120226","doi":"https://doi.org/10.1007/s11080-006-9015-1","title":"Quantum and Classical Correlations of Spatial and Spin Degrees of Freedom in Quantum Rings","display_name":"Quantum and Classical Correlations of Spatial and Spin Degrees of Freedom in Quantum Rings","publication_year":2006,"publication_date":"2006-11-15","ids":{"openalex":"https://openalex.org/W1977120226","doi":"https://doi.org/10.1007/s11080-006-9015-1","mag":"1977120226"},"language":"en","primary_location":{"id":"doi:10.1007/s11080-006-9015-1","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11080-006-9015-1","pdf_url":null,"source":{"id":"https://openalex.org/S27332288","display_name":"Open Systems & Information Dynamics","issn_l":"1230-1612","issn":["1230-1612","1573-1324","1793-7191"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Open Systems &amp; Information Dynamics","raw_type":"journal-article"},"type":"article","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/A5018208456","display_name":"Orsolya K\u00e1lm\u00e1n","orcid":"https://orcid.org/0000-0002-6156-5641"},"institutions":[{"id":"https://openalex.org/I227486990","display_name":"University of Szeged","ror":"https://ror.org/01pnej532","country_code":"HU","type":"education","lineage":["https://openalex.org/I227486990"]}],"countries":["HU"],"is_corresponding":false,"raw_author_name":"O. K\u00e1lm\u00e1n","raw_affiliation_strings":["Department of Theoretical Physics, University of Szeged, Tisza Lajos k\u00f6r\u00fat 84\u201386, H-6720 Szeged, Hungary"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Theoretical Physics, University of Szeged, Tisza Lajos k\u00f6r\u00fat 84\u201386, H-6720 Szeged, Hungary","institution_ids":["https://openalex.org/I227486990"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039511994","display_name":"P\u00e9ter F\u00f6ldi","orcid":"https://orcid.org/0000-0002-0311-3532"},"institutions":[{"id":"https://openalex.org/I227486990","display_name":"University of Szeged","ror":"https://ror.org/01pnej532","country_code":"HU","type":"education","lineage":["https://openalex.org/I227486990"]}],"countries":["HU"],"is_corresponding":false,"raw_author_name":"P. F\u00f6ldi","raw_affiliation_strings":["Department of Theoretical Physics, University of Szeged, Tisza Lajos k\u00f6r\u00fat 84\u201386, H-6720 Szeged, Hungary"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Theoretical Physics, University of Szeged, Tisza Lajos k\u00f6r\u00fat 84\u201386, H-6720 Szeged, Hungary","institution_ids":["https://openalex.org/I227486990"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5051451508","display_name":"M. G. Benedict","orcid":"https://orcid.org/0000-0003-3892-0235"},"institutions":[{"id":"https://openalex.org/I227486990","display_name":"University of Szeged","ror":"https://ror.org/01pnej532","country_code":"HU","type":"education","lineage":["https://openalex.org/I227486990"]}],"countries":["HU"],"is_corresponding":false,"raw_author_name":"M. G. Benedict","raw_affiliation_strings":["Department of Theoretical Physics, University of Szeged, Tisza Lajos k\u00f6r\u00fat 84\u201386, H-6720 Szeged, Hungary"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Theoretical Physics, University of Szeged, Tisza Lajos k\u00f6r\u00fat 84\u201386, H-6720 Szeged, Hungary","institution_ids":["https://openalex.org/I227486990"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.8651,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.86919212,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"13","issue":"04","first_page":"455","last_page":"462"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":1.0,"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":1.0,"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":1.0,"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/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.9998999834060669,"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/quantum-entanglement","display_name":"Quantum entanglement","score":0.7441669702529907},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.6390720009803772},{"id":"https://openalex.org/keywords/mesoscopic-physics","display_name":"Mesoscopic physics","score":0.6293186545372009},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.5944052934646606},{"id":"https://openalex.org/keywords/beam-splitter","display_name":"Beam splitter","score":0.5862202644348145},{"id":"https://openalex.org/keywords/spin","display_name":"Spin (aerodynamics)","score":0.5858230590820312},{"id":"https://openalex.org/keywords/degrees-of-freedom","display_name":"Degrees of freedom (physics and chemistry)","score":0.5700541138648987},{"id":"https://openalex.org/keywords/quantum","display_name":"Quantum","score":0.4932035803794861},{"id":"https://openalex.org/keywords/quantum-discord","display_name":"Quantum discord","score":0.45745527744293213},{"id":"https://openalex.org/keywords/amplitude-damping-channel","display_name":"Amplitude damping channel","score":0.42266845703125},{"id":"https://openalex.org/keywords/spintronics","display_name":"Spintronics","score":0.4147733747959137},{"id":"https://openalex.org/keywords/classical-mechanics","display_name":"Classical mechanics","score":0.3241679072380066}],"concepts":[{"id":"https://openalex.org/C121040770","wikidata":"https://www.wikidata.org/wiki/Q215675","display_name":"Quantum entanglement","level":3,"score":0.7441669702529907},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6390720009803772},{"id":"https://openalex.org/C177731217","wikidata":"https://www.wikidata.org/wiki/Q2622244","display_name":"Mesoscopic physics","level":2,"score":0.6293186545372009},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.5944052934646606},{"id":"https://openalex.org/C19819980","wikidata":"https://www.wikidata.org/wiki/Q947542","display_name":"Beam splitter","level":3,"score":0.5862202644348145},{"id":"https://openalex.org/C42704618","wikidata":"https://www.wikidata.org/wiki/Q910917","display_name":"Spin (aerodynamics)","level":2,"score":0.5858230590820312},{"id":"https://openalex.org/C208081375","wikidata":"https://www.wikidata.org/wiki/Q274502","display_name":"Degrees of freedom (physics and chemistry)","level":2,"score":0.5700541138648987},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.4932035803794861},{"id":"https://openalex.org/C139356082","wikidata":"https://www.wikidata.org/wiki/Q7269038","display_name":"Quantum discord","level":4,"score":0.45745527744293213},{"id":"https://openalex.org/C206040425","wikidata":"https://www.wikidata.org/wiki/Q4748511","display_name":"Amplitude damping channel","level":5,"score":0.42266845703125},{"id":"https://openalex.org/C207999682","wikidata":"https://www.wikidata.org/wiki/Q258659","display_name":"Spintronics","level":3,"score":0.4147733747959137},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.3241679072380066},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C82217956","wikidata":"https://www.wikidata.org/wiki/Q184207","display_name":"Ferromagnetism","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s11080-006-9015-1","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11080-006-9015-1","pdf_url":null,"source":{"id":"https://openalex.org/S27332288","display_name":"Open Systems & Information Dynamics","issn_l":"1230-1612","issn":["1230-1612","1573-1324","1793-7191"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Open Systems &amp; Information Dynamics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.8399999737739563}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W1489103892","https://openalex.org/W1623047895","https://openalex.org/W1963716681","https://openalex.org/W1982886467","https://openalex.org/W1987588774","https://openalex.org/W1992340161","https://openalex.org/W1999380855","https://openalex.org/W2004642055","https://openalex.org/W2011208902","https://openalex.org/W2015849896","https://openalex.org/W2019571200","https://openalex.org/W2022572522","https://openalex.org/W2023212843","https://openalex.org/W2026538234","https://openalex.org/W2047922254","https://openalex.org/W2052339798","https://openalex.org/W2066603487","https://openalex.org/W2066708196","https://openalex.org/W2073781628","https://openalex.org/W2079203222","https://openalex.org/W2080555372","https://openalex.org/W2089788730","https://openalex.org/W2093032459","https://openalex.org/W2103951498","https://openalex.org/W2109570354","https://openalex.org/W2117909009","https://openalex.org/W2118680437","https://openalex.org/W2154494768","https://openalex.org/W2159544977","https://openalex.org/W2749226418","https://openalex.org/W3004350485","https://openalex.org/W3099488183","https://openalex.org/W3206826366","https://openalex.org/W4242916541","https://openalex.org/W4388394692"],"related_works":["https://openalex.org/W1637888841","https://openalex.org/W1995206990","https://openalex.org/W2922013706","https://openalex.org/W1990687080","https://openalex.org/W3104817835","https://openalex.org/W1985998286","https://openalex.org/W2951019941","https://openalex.org/W3103822948","https://openalex.org/W2945875399","https://openalex.org/W2063692639"],"abstract_inverted_index":{"A":[0],"one-dimensional":[1],"mesoscopic":[2],"ring":[3],"with":[4,33,94],"one":[5],"input":[6,76,92],"and":[7,43,53],"two":[8,26],"output":[9,29,57],"leads":[10],"acts":[11],"as":[12,37],"a":[13,38,73],"spintronic":[14],"beam":[15],"splitter.":[16],"The":[17],"spatial":[18],"degree":[19],"of":[20,25,40,50],"freedom,":[21],"i.e.,":[22],"the":[23,34,56,65,70,80,99],"presence":[24],"different":[27],"possible":[28],"channels,":[30],"gets":[31],"intertwined":[32],"spin":[35,77],"direction":[36],"consequence":[39],"quantum":[41,62],"interference":[42],"spin-orbit":[44],"interaction.":[45],"We":[46],"investigate":[47],"this":[48],"kind":[49],"spatial-spin":[51,96],"correlation,":[52],"show":[54],"that":[55],"density":[58],"operator":[59],"contains":[60],"no":[61],"entanglement":[63,97],"in":[64,83],"important":[66],"special":[67],"case":[68],"when":[69],"device":[71],"polarizes":[72],"perfectly":[74],"random":[75],"state.":[78],"However,":[79],"correlations":[81],"are":[82],"general":[84],"not":[85],"purely":[86],"classical,":[87],"we":[88],"also":[89],"present":[90],"specific":[91],"states":[93],"maximal":[95],"after":[98],"ring.":[100]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
