Quantum phase diffusion in ac-driven superconducting atomic point contacts

Autores
Carusela, María Florencia; Ankerhold, J.
Año de publicación
2012
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The impact of quantum fluctuations on the phase diffusion in resistively shunted superconducting quantum points subject to an external ac voltage is studied. Based on an extension of the classical Smoluchowski equation to the quantum regime, numerical results for fractional and integer Shapiro resonances are investigated to reveal characteristic features of quantum effects. It is shown that, typically in the quantum regime, the broadening of resonances cannot be described simply by an effective temperature.
Fil: Carusela, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de General Sarmiento. Instituto de Ciencias; Argentina
Fil: Ankerhold, J.. Universitat Ulm; Alemania
Materia
Superconductivity
Stochastic Systems
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/190047
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Quantum phase diffusion in ac-driven superconducting atomic point contactsCarusela, María FlorenciaAnkerhold, J.SuperconductivityStochastic Systemshttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1The impact of quantum fluctuations on the phase diffusion in resistively shunted superconducting quantum points subject to an external ac voltage is studied. Based on an extension of the classical Smoluchowski equation to the quantum regime, numerical results for fractional and integer Shapiro resonances are investigated to reveal characteristic features of quantum effects. It is shown that, typically in the quantum regime, the broadening of resonances cannot be described simply by an effective temperature.Fil: Carusela, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de General Sarmiento. Instituto de Ciencias; ArgentinaFil: Ankerhold, J.. Universitat Ulm; AlemaniaAmerican Physical Society2012-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/190047Carusela, María Florencia; Ankerhold, J.; Quantum phase diffusion in ac-driven superconducting atomic point contacts; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 85; 13; 12-2012; 1-71098-0121CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://link.aps.org/doi/10.1103/PhysRevB.85.134509info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevB.85.134509info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T12:02:56Zoai:ri.conicet.gov.ar:11336/190047instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 12:02:57.153CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Quantum phase diffusion in ac-driven superconducting atomic point contacts
title Quantum phase diffusion in ac-driven superconducting atomic point contacts
spellingShingle Quantum phase diffusion in ac-driven superconducting atomic point contacts
Carusela, María Florencia
Superconductivity
Stochastic Systems
title_short Quantum phase diffusion in ac-driven superconducting atomic point contacts
title_full Quantum phase diffusion in ac-driven superconducting atomic point contacts
title_fullStr Quantum phase diffusion in ac-driven superconducting atomic point contacts
title_full_unstemmed Quantum phase diffusion in ac-driven superconducting atomic point contacts
title_sort Quantum phase diffusion in ac-driven superconducting atomic point contacts
dc.creator.none.fl_str_mv Carusela, María Florencia
Ankerhold, J.
author Carusela, María Florencia
author_facet Carusela, María Florencia
Ankerhold, J.
author_role author
author2 Ankerhold, J.
author2_role author
dc.subject.none.fl_str_mv Superconductivity
Stochastic Systems
topic Superconductivity
Stochastic Systems
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The impact of quantum fluctuations on the phase diffusion in resistively shunted superconducting quantum points subject to an external ac voltage is studied. Based on an extension of the classical Smoluchowski equation to the quantum regime, numerical results for fractional and integer Shapiro resonances are investigated to reveal characteristic features of quantum effects. It is shown that, typically in the quantum regime, the broadening of resonances cannot be described simply by an effective temperature.
Fil: Carusela, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de General Sarmiento. Instituto de Ciencias; Argentina
Fil: Ankerhold, J.. Universitat Ulm; Alemania
description The impact of quantum fluctuations on the phase diffusion in resistively shunted superconducting quantum points subject to an external ac voltage is studied. Based on an extension of the classical Smoluchowski equation to the quantum regime, numerical results for fractional and integer Shapiro resonances are investigated to reveal characteristic features of quantum effects. It is shown that, typically in the quantum regime, the broadening of resonances cannot be described simply by an effective temperature.
publishDate 2012
dc.date.none.fl_str_mv 2012-12
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/190047
Carusela, María Florencia; Ankerhold, J.; Quantum phase diffusion in ac-driven superconducting atomic point contacts; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 85; 13; 12-2012; 1-7
1098-0121
CONICET Digital
CONICET
url http://hdl.handle.net/11336/190047
identifier_str_mv Carusela, María Florencia; Ankerhold, J.; Quantum phase diffusion in ac-driven superconducting atomic point contacts; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 85; 13; 12-2012; 1-7
1098-0121
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://link.aps.org/doi/10.1103/PhysRevB.85.134509
info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevB.85.134509
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv American Physical Society
publisher.none.fl_str_mv American Physical Society
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 12.982451

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