Entanglement harvesting in double-layer graphene by vacuum fluctuations in a microcavity

Autores
Ardenghi, Juan Sebastian
Año de publicación
2018
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The aim of this work is to study the entanglement harvesting between two graphene layers inside a planar microcavity. Applying time-dependent perturbation theory it is shown that nonclassical correlations between electrons in different layers are obtained through the exchange of virtual photons. Considering different initial states of the electrons and the vacuum state of the electromagnetic field, the negativity measure that quantifies the entanglement is computed through the photon propagator for time scales smaller than the light-crossing time of the double layer. The results are compared with those obtained for hydrogenic probes and pointlike Unruh-DeWitt detectors, showing that for different initial states, entangled X states and more general entangled reduced matrices are obtained, which enlarge the classification of bipartite quantum states.
Fil: Ardenghi, Juan Sebastian. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Física del Sur. Universidad Nacional del Sur. Departamento de Física. Instituto de Física del Sur; Argentina
Materia
Entanglement
Double-layer graphene
Vacuum fluctuations
Microcavity
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:11336/94755
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/94755
network_acronym_str CONICETDig
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network_name_str CONICET Digital (CONICET)
spelling Entanglement harvesting in double-layer graphene by vacuum fluctuations in a microcavityArdenghi, Juan SebastianEntanglementDouble-layer grapheneVacuum fluctuationsMicrocavityhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1The aim of this work is to study the entanglement harvesting between two graphene layers inside a planar microcavity. Applying time-dependent perturbation theory it is shown that nonclassical correlations between electrons in different layers are obtained through the exchange of virtual photons. Considering different initial states of the electrons and the vacuum state of the electromagnetic field, the negativity measure that quantifies the entanglement is computed through the photon propagator for time scales smaller than the light-crossing time of the double layer. The results are compared with those obtained for hydrogenic probes and pointlike Unruh-DeWitt detectors, showing that for different initial states, entangled X states and more general entangled reduced matrices are obtained, which enlarge the classification of bipartite quantum states.Fil: Ardenghi, Juan Sebastian. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Física del Sur. Universidad Nacional del Sur. Departamento de Física. Instituto de Física del Sur; ArgentinaAmerican Physical Society2018-08-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/94755Ardenghi, Juan Sebastian; Entanglement harvesting in double-layer graphene by vacuum fluctuations in a microcavity; American Physical Society; Physical Review D: Particles, Fields, Gravitation and Cosmology; 98; 8-8-2018; 045006-1-122470-0029CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://link.aps.org/doi/10.1103/PhysRevD.98.045006info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevD.98.045006info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:24:03Zoai:ri.conicet.gov.ar:11336/94755instacron: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:34982025-09-29 10:24:04.282CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Entanglement harvesting in double-layer graphene by vacuum fluctuations in a microcavity
title Entanglement harvesting in double-layer graphene by vacuum fluctuations in a microcavity
spellingShingle Entanglement harvesting in double-layer graphene by vacuum fluctuations in a microcavity
Ardenghi, Juan Sebastian
Entanglement
Double-layer graphene
Vacuum fluctuations
Microcavity
title_short Entanglement harvesting in double-layer graphene by vacuum fluctuations in a microcavity
title_full Entanglement harvesting in double-layer graphene by vacuum fluctuations in a microcavity
title_fullStr Entanglement harvesting in double-layer graphene by vacuum fluctuations in a microcavity
title_full_unstemmed Entanglement harvesting in double-layer graphene by vacuum fluctuations in a microcavity
title_sort Entanglement harvesting in double-layer graphene by vacuum fluctuations in a microcavity
dc.creator.none.fl_str_mv Ardenghi, Juan Sebastian
author Ardenghi, Juan Sebastian
author_facet Ardenghi, Juan Sebastian
author_role author
dc.subject.none.fl_str_mv Entanglement
Double-layer graphene
Vacuum fluctuations
Microcavity
topic Entanglement
Double-layer graphene
Vacuum fluctuations
Microcavity
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 aim of this work is to study the entanglement harvesting between two graphene layers inside a planar microcavity. Applying time-dependent perturbation theory it is shown that nonclassical correlations between electrons in different layers are obtained through the exchange of virtual photons. Considering different initial states of the electrons and the vacuum state of the electromagnetic field, the negativity measure that quantifies the entanglement is computed through the photon propagator for time scales smaller than the light-crossing time of the double layer. The results are compared with those obtained for hydrogenic probes and pointlike Unruh-DeWitt detectors, showing that for different initial states, entangled X states and more general entangled reduced matrices are obtained, which enlarge the classification of bipartite quantum states.
Fil: Ardenghi, Juan Sebastian. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Física del Sur. Universidad Nacional del Sur. Departamento de Física. Instituto de Física del Sur; Argentina
description The aim of this work is to study the entanglement harvesting between two graphene layers inside a planar microcavity. Applying time-dependent perturbation theory it is shown that nonclassical correlations between electrons in different layers are obtained through the exchange of virtual photons. Considering different initial states of the electrons and the vacuum state of the electromagnetic field, the negativity measure that quantifies the entanglement is computed through the photon propagator for time scales smaller than the light-crossing time of the double layer. The results are compared with those obtained for hydrogenic probes and pointlike Unruh-DeWitt detectors, showing that for different initial states, entangled X states and more general entangled reduced matrices are obtained, which enlarge the classification of bipartite quantum states.
publishDate 2018
dc.date.none.fl_str_mv 2018-08-08
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/11336/94755
Ardenghi, Juan Sebastian; Entanglement harvesting in double-layer graphene by vacuum fluctuations in a microcavity; American Physical Society; Physical Review D: Particles, Fields, Gravitation and Cosmology; 98; 8-8-2018; 045006-1-12
2470-0029
CONICET Digital
CONICET
url http://hdl.handle.net/11336/94755
identifier_str_mv Ardenghi, Juan Sebastian; Entanglement harvesting in double-layer graphene by vacuum fluctuations in a microcavity; American Physical Society; Physical Review D: Particles, Fields, Gravitation and Cosmology; 98; 8-8-2018; 045006-1-12
2470-0029
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://link.aps.org/doi/10.1103/PhysRevD.98.045006
info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevD.98.045006
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 13.070432

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