{"id":"https://openalex.org/W1663277841","doi":"https://doi.org/10.48550/arxiv.cond-mat/0110540","title":"Coherence in magnetic quantum tunneling","display_name":"Coherence in magnetic quantum tunneling","publication_year":2001,"publication_date":"2001-10-25","ids":{"openalex":"https://openalex.org/W1663277841","doi":"https://doi.org/10.48550/arxiv.cond-mat/0110540","mag":"1663277841"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:cond-mat/0110540","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/cond-mat/0110540","pdf_url":"https://arxiv.org/pdf/cond-mat/0110540","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"},"volume":null,"type":"preprint","indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/cond-mat/0110540","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5103508750","display_name":"Julio F. Fern\u00e1ndez","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Fernandez, Julio F.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5103508750"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"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/T10382","display_name":"Quantum and electron transport phenomena","score":0.4165000021457672,"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/T10382","display_name":"Quantum and electron transport phenomena","score":0.4165000021457672,"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/T10049","display_name":"Magnetic properties of thin films","score":0.19840000569820404,"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/T11682","display_name":"Advanced Condensed Matter Physics","score":0.08590000122785568,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/spin-tunneling","display_name":"spin tunneling","score":0.9810000061988831},{"id":"https://openalex.org/keywords/coherence-time","display_name":"coherence time","score":0.859000027179718},{"id":"https://openalex.org/keywords/landau-zener-transitions","display_name":"Landau-Zener transitions","score":0.875},{"id":"https://openalex.org/keywords/correlation-time","display_name":"correlation time","score":0.6620000004768372},{"id":"https://openalex.org/keywords/tunneling-rate","display_name":"tunneling rate","score":0.953000009059906}],"concepts":[{"id":"https://openalex.org/C120398109","wikidata":"https://www.wikidata.org/wiki/Q175751","display_name":"Quantum tunnelling","level":2,"score":0.6834279298782349},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6507161259651184},{"id":"https://openalex.org/C2781181686","wikidata":"https://www.wikidata.org/wiki/Q4226068","display_name":"Coherence (philosophical gambling strategy)","level":2,"score":0.6392048597335815},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.48248934745788574},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.4621918797492981},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.321402370929718}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:arXiv.org:cond-mat/0110540","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/cond-mat/0110540","pdf_url":"https://arxiv.org/pdf/cond-mat/0110540","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":"doi:10.48550/arxiv.cond-mat/0110540","doi":"https://doi.org/10.48550/arxiv.cond-mat/0110540","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.cond-mat/0110540","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":null,"raw_source_name":null,"raw_type":"Preprint"},{"id":"mag:3128081117","doi":null,"is_oa":false,"landing_page_url":"http://ui.adsabs.harvard.edu/abs/2001APS..MARS31014F/abstract","pdf_url":null,"source":{"id":"https://openalex.org/S4306502661","display_name":"APS March Meeting Abstracts","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":"APS March Meeting Abstracts","raw_type":null}],"best_oa_location":{"id":"pmh:oai:arXiv.org:cond-mat/0110540","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/cond-mat/0110540","pdf_url":"https://arxiv.org/pdf/cond-mat/0110540","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"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2012959172","https://openalex.org/W1995707634","https://openalex.org/W2740243652","https://openalex.org/W2025480516","https://openalex.org/W3182877397","https://openalex.org/W2068525508","https://openalex.org/W3089234692","https://openalex.org/W1987656551","https://openalex.org/W2142294076","https://openalex.org/W2060114328"],"abstract_inverted_index":{"Currently,":[0],"spin":[1],"tunneling":[2,68,117],"at":[3],"very":[4],"low":[5],"temperatures":[6],"is":[7,59,83,89,105],"assumed":[8],"to":[9],"proceed":[10],"as":[11,34,119],"an":[12],"incoherent":[13],"sequence":[14],"of":[15,42,67,69,109,122,130],"events":[16],"that":[17,25,79,95,112],"take":[18],"place":[19],"whenever":[20],"a":[21,43,120],"bias":[22],"field":[23],"h(t)":[24],"varies":[26],"randomly":[27],"with":[28],"time":[29,47,62],"t":[30],"becomes":[31],"sufficiently":[32],"small,":[33],"in":[35],"Landau-Zener":[36],"transitions.":[37],"We":[38],"study":[39],"the":[40,60,77,106,116,128],"behavior":[41],"suitably":[44],"defined":[45],"coherence":[46],"t_p.":[48],"Coherence":[49],"effects":[50],"become":[51],"significant":[52],"when":[53,99],"t_p":[54,80,96,114],">=":[55,97],"t_h$,":[56],"where":[57,103,127,138],"t_h":[58,98],"correlation":[61],"for":[63,125,134],"h(t).":[64],"The":[65],"theory":[66,129],"Prokof'ev":[70],"and":[71,93,115,133],"Stamp":[72],"(PS),":[73],"which":[74],"rests":[75],"on":[76],"assumption":[78],"<=":[81,101,136],"t_h,":[82],"extended":[84],"beyond":[85],"this":[86],"constraint.":[87],"It":[88],"shown,":[90],"both":[91,124],"analytically":[92],"numerically,":[94],"t_h*dh":[100,123,135],"h,":[102,137],"dh":[104],"rms":[107],"deviation":[108],"h.":[110],"Equations":[111],"give":[113],"rate":[118],"function":[121],"t_h*dh>=h,":[126],"PS":[131],"hold,":[132],"it":[139],"does":[140],"not,":[141],"are":[142],"derived.":[143]},"counts_by_year":[],"updated_date":"2026-09-25T08:18:29.962427","created_date":"2025-10-10T00:00:00"}