Chiral anomaly, induced current, and vacuum polarization tensor for a Dirac field in the presence of a defect

Autores
Fosco, Cesar Daniel; Silva, A.
Año de publicación
2021
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We evaluate the vacuum polarization tensor (VPT) for a massless Dirac field in 1+1 and 3+1 dimensions, in the presence of a particular kind of defect, which in a special limit imposes bag boundary conditions. We also show that the chiral anomaly in the presence of such a defect is the same as when no defects are present, both in 1+1 and 3+1 dimensions. This implies that the induced vacuum current in 1+1 dimensions due to the lowest order VPT is exact.
Fil: Fosco, Cesar Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
Fil: Silva, A.. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
Materia
CHIRAL
ANOMALY
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/167445
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/167445
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repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Chiral anomaly, induced current, and vacuum polarization tensor for a Dirac field in the presence of a defectFosco, Cesar DanielSilva, A.CHIRALANOMALYhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We evaluate the vacuum polarization tensor (VPT) for a massless Dirac field in 1+1 and 3+1 dimensions, in the presence of a particular kind of defect, which in a special limit imposes bag boundary conditions. We also show that the chiral anomaly in the presence of such a defect is the same as when no defects are present, both in 1+1 and 3+1 dimensions. This implies that the induced vacuum current in 1+1 dimensions due to the lowest order VPT is exact.Fil: Fosco, Cesar Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; ArgentinaFil: Silva, A.. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; ArgentinaElsevier2021-11info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/167445Fosco, Cesar Daniel; Silva, A.; Chiral anomaly, induced current, and vacuum polarization tensor for a Dirac field in the presence of a defect; Elsevier; Physics Letters B; 822; 11-2021; 1-60370-2693CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0370269321005992info:eu-repo/semantics/altIdentifier/doi/10.1016/j.physletb.2021.136659info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-29T12:38:47Zoai:ri.conicet.gov.ar:11336/167445instacron: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:34982025-10-29 12:38:48.252CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Chiral anomaly, induced current, and vacuum polarization tensor for a Dirac field in the presence of a defect
title Chiral anomaly, induced current, and vacuum polarization tensor for a Dirac field in the presence of a defect
spellingShingle Chiral anomaly, induced current, and vacuum polarization tensor for a Dirac field in the presence of a defect
Fosco, Cesar Daniel
CHIRAL
ANOMALY
title_short Chiral anomaly, induced current, and vacuum polarization tensor for a Dirac field in the presence of a defect
title_full Chiral anomaly, induced current, and vacuum polarization tensor for a Dirac field in the presence of a defect
title_fullStr Chiral anomaly, induced current, and vacuum polarization tensor for a Dirac field in the presence of a defect
title_full_unstemmed Chiral anomaly, induced current, and vacuum polarization tensor for a Dirac field in the presence of a defect
title_sort Chiral anomaly, induced current, and vacuum polarization tensor for a Dirac field in the presence of a defect
dc.creator.none.fl_str_mv Fosco, Cesar Daniel
Silva, A.
author Fosco, Cesar Daniel
author_facet Fosco, Cesar Daniel
Silva, A.
author_role author
author2 Silva, A.
author2_role author
dc.subject.none.fl_str_mv CHIRAL
ANOMALY
topic CHIRAL
ANOMALY
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We evaluate the vacuum polarization tensor (VPT) for a massless Dirac field in 1+1 and 3+1 dimensions, in the presence of a particular kind of defect, which in a special limit imposes bag boundary conditions. We also show that the chiral anomaly in the presence of such a defect is the same as when no defects are present, both in 1+1 and 3+1 dimensions. This implies that the induced vacuum current in 1+1 dimensions due to the lowest order VPT is exact.
Fil: Fosco, Cesar Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
Fil: Silva, A.. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
description We evaluate the vacuum polarization tensor (VPT) for a massless Dirac field in 1+1 and 3+1 dimensions, in the presence of a particular kind of defect, which in a special limit imposes bag boundary conditions. We also show that the chiral anomaly in the presence of such a defect is the same as when no defects are present, both in 1+1 and 3+1 dimensions. This implies that the induced vacuum current in 1+1 dimensions due to the lowest order VPT is exact.
publishDate 2021
dc.date.none.fl_str_mv 2021-11
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/11336/167445
Fosco, Cesar Daniel; Silva, A.; Chiral anomaly, induced current, and vacuum polarization tensor for a Dirac field in the presence of a defect; Elsevier; Physics Letters B; 822; 11-2021; 1-6
0370-2693
CONICET Digital
CONICET
url http://hdl.handle.net/11336/167445
identifier_str_mv Fosco, Cesar Daniel; Silva, A.; Chiral anomaly, induced current, and vacuum polarization tensor for a Dirac field in the presence of a defect; Elsevier; Physics Letters B; 822; 11-2021; 1-6
0370-2693
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://www.sciencedirect.com/science/article/pii/S0370269321005992
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.physletb.2021.136659
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
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
_version_ 1847427380994375680
score 13.10058

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