Charged pseudoscalar and vector meson masses in strong magnetic fields in an extended NJL model

Autores
Carlomagno, Juan Pablo; Gomez Dumm, Daniel Alberto; Izzo Villafañe, María Florencia; Noguera, S.; Scoccola, Norberto Nerio
Año de publicación
2022
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The mass spectrum of π+ and ρ+ mesons in the presence of a static uniform magnetic field B→ is studied within a two-flavor Nambu-Jona-Lasinio-like model. We improve previous calculations, taking into account the effect of Schwinger phases carried by quark propagators and using an expansion of meson fields in terms of the solutions of the corresponding equations of motion for nonzero B. It is shown that the meson polarization functions are diagonal in this basis. Our numerical results for the ρ+ meson spectrum are found to disfavor the existence of a meson condensate induced by the magnetic field. In the case of the π+ meson, π - ρ mixing effects are analyzed for the meson lowest-energy state. The predictions of the model are compared with available lattice QCD results.
Fil: Carlomagno, Juan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina
Fil: Gomez Dumm, Daniel Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina
Fil: Izzo Villafañe, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; Argentina
Fil: Noguera, S.. Consejo Superior de Investigaciones Científicas; España
Fil: Scoccola, Norberto Nerio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Consejo Superior de Investigaciones Científicas; España. Comisión Nacional de Energía Atómica; Argentina
Materia
NJL model
Strong magnetic fields
Charged pseudoscalar and vector mesons
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:11336/213378
Acceder
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network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Charged pseudoscalar and vector meson masses in strong magnetic fields in an extended NJL modelCarlomagno, Juan PabloGomez Dumm, Daniel AlbertoIzzo Villafañe, María FlorenciaNoguera, S.Scoccola, Norberto NerioNJL modelStrong magnetic fieldsCharged pseudoscalar and vector mesonshttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1The mass spectrum of π+ and ρ+ mesons in the presence of a static uniform magnetic field B→ is studied within a two-flavor Nambu-Jona-Lasinio-like model. We improve previous calculations, taking into account the effect of Schwinger phases carried by quark propagators and using an expansion of meson fields in terms of the solutions of the corresponding equations of motion for nonzero B. It is shown that the meson polarization functions are diagonal in this basis. Our numerical results for the ρ+ meson spectrum are found to disfavor the existence of a meson condensate induced by the magnetic field. In the case of the π+ meson, π - ρ mixing effects are analyzed for the meson lowest-energy state. The predictions of the model are compared with available lattice QCD results.Fil: Carlomagno, Juan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; ArgentinaFil: Gomez Dumm, Daniel Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; ArgentinaFil: Izzo Villafañe, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; ArgentinaFil: Noguera, S.. Consejo Superior de Investigaciones Científicas; EspañaFil: Scoccola, Norberto Nerio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Consejo Superior de Investigaciones Científicas; España. Comisión Nacional de Energía Atómica; ArgentinaAmerican Physical Society2022-11info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/213378Carlomagno, Juan Pablo; Gomez Dumm, Daniel Alberto; Izzo Villafañe, María Florencia; Noguera, S.; Scoccola, Norberto Nerio; Charged pseudoscalar and vector meson masses in strong magnetic fields in an extended NJL model; American Physical Society; Physical Review D; 106; 9; 11-2022; 1-172470-00102470-0029CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevD.106.094035info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:49:41Zoai:ri.conicet.gov.ar:11336/213378instacron: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:34982025-09-03 09:49:42.034CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Charged pseudoscalar and vector meson masses in strong magnetic fields in an extended NJL model
title Charged pseudoscalar and vector meson masses in strong magnetic fields in an extended NJL model
spellingShingle Charged pseudoscalar and vector meson masses in strong magnetic fields in an extended NJL model
Carlomagno, Juan Pablo
NJL model
Strong magnetic fields
Charged pseudoscalar and vector mesons
title_short Charged pseudoscalar and vector meson masses in strong magnetic fields in an extended NJL model
title_full Charged pseudoscalar and vector meson masses in strong magnetic fields in an extended NJL model
title_fullStr Charged pseudoscalar and vector meson masses in strong magnetic fields in an extended NJL model
title_full_unstemmed Charged pseudoscalar and vector meson masses in strong magnetic fields in an extended NJL model
title_sort Charged pseudoscalar and vector meson masses in strong magnetic fields in an extended NJL model
dc.creator.none.fl_str_mv Carlomagno, Juan Pablo
Gomez Dumm, Daniel Alberto
Izzo Villafañe, María Florencia
Noguera, S.
Scoccola, Norberto Nerio
author Carlomagno, Juan Pablo
author_facet Carlomagno, Juan Pablo
Gomez Dumm, Daniel Alberto
Izzo Villafañe, María Florencia
Noguera, S.
Scoccola, Norberto Nerio
author_role author
author2 Gomez Dumm, Daniel Alberto
Izzo Villafañe, María Florencia
Noguera, S.
Scoccola, Norberto Nerio
author2_role author
author
author
author
dc.subject.none.fl_str_mv NJL model
Strong magnetic fields
Charged pseudoscalar and vector mesons
topic NJL model
Strong magnetic fields
Charged pseudoscalar and vector mesons
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 mass spectrum of π+ and ρ+ mesons in the presence of a static uniform magnetic field B→ is studied within a two-flavor Nambu-Jona-Lasinio-like model. We improve previous calculations, taking into account the effect of Schwinger phases carried by quark propagators and using an expansion of meson fields in terms of the solutions of the corresponding equations of motion for nonzero B. It is shown that the meson polarization functions are diagonal in this basis. Our numerical results for the ρ+ meson spectrum are found to disfavor the existence of a meson condensate induced by the magnetic field. In the case of the π+ meson, π - ρ mixing effects are analyzed for the meson lowest-energy state. The predictions of the model are compared with available lattice QCD results.
Fil: Carlomagno, Juan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina
Fil: Gomez Dumm, Daniel Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina
Fil: Izzo Villafañe, María Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; Argentina
Fil: Noguera, S.. Consejo Superior de Investigaciones Científicas; España
Fil: Scoccola, Norberto Nerio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Consejo Superior de Investigaciones Científicas; España. Comisión Nacional de Energía Atómica; Argentina
description The mass spectrum of π+ and ρ+ mesons in the presence of a static uniform magnetic field B→ is studied within a two-flavor Nambu-Jona-Lasinio-like model. We improve previous calculations, taking into account the effect of Schwinger phases carried by quark propagators and using an expansion of meson fields in terms of the solutions of the corresponding equations of motion for nonzero B. It is shown that the meson polarization functions are diagonal in this basis. Our numerical results for the ρ+ meson spectrum are found to disfavor the existence of a meson condensate induced by the magnetic field. In the case of the π+ meson, π - ρ mixing effects are analyzed for the meson lowest-energy state. The predictions of the model are compared with available lattice QCD results.
publishDate 2022
dc.date.none.fl_str_mv 2022-11
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/11336/213378
Carlomagno, Juan Pablo; Gomez Dumm, Daniel Alberto; Izzo Villafañe, María Florencia; Noguera, S.; Scoccola, Norberto Nerio; Charged pseudoscalar and vector meson masses in strong magnetic fields in an extended NJL model; American Physical Society; Physical Review D; 106; 9; 11-2022; 1-17
2470-0010
2470-0029
CONICET Digital
CONICET
url http://hdl.handle.net/11336/213378
identifier_str_mv Carlomagno, Juan Pablo; Gomez Dumm, Daniel Alberto; Izzo Villafañe, María Florencia; Noguera, S.; Scoccola, Norberto Nerio; Charged pseudoscalar and vector meson masses in strong magnetic fields in an extended NJL model; American Physical Society; Physical Review D; 106; 9; 11-2022; 1-17
2470-0010
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/doi/10.1103/PhysRevD.106.094035
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
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
_version_ 1842268988982165504
score 13.13397

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