Regularization of the Nambu–Jona-Lasinio model under a uniform magnetic field and the role of the anomalous magnetic moments

The vacuum contribution to quark matter under a uniform magnetic field within the SU(3) version of the Nambu–Jona-Lasinio model is studied. The standard regularization procedure is examined and a new prescription is proposed. For this purpose analytic regularization and a subtraction scheme are used...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autor principal: Aguirre, Ricardo Miguel
Formato: Articulo
Lenguaje:Inglés
Publicado: 2020
Materias:
Ciencias Exactas
Física
Effective field theory
Magnetic moment
Many-body techniques
Quark model
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/131147
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-131147
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Exactas
Física
Effective field theory
Magnetic moment
Many-body techniques
Quark model
spellingShingle Ciencias Exactas
Física
Effective field theory
Magnetic moment
Many-body techniques
Quark model
Aguirre, Ricardo Miguel
Regularization of the Nambu–Jona-Lasinio model under a uniform magnetic field and the role of the anomalous magnetic moments
topic_facet Ciencias Exactas
Física
Effective field theory
Magnetic moment
Many-body techniques
Quark model
description The vacuum contribution to quark matter under a uniform magnetic field within the SU(3) version of the Nambu–Jona-Lasinio model is studied. The standard regularization procedure is examined and a new prescription is proposed. For this purpose analytic regularization and a subtraction scheme are used to deal with divergencies depending on the magnetic intensity. This scheme is combined with the standard three momentum cutoff recipe, and reduces to it for vanishing magnetic intensity. Furthermore, the effects of a direct coupling between the anomalous magnetic moments of the quarks and the magnetic field is considered. Single particle properties as well as bulk thermodynamical quantities are studied for a configuration of matter found in neutron stars. A wide range of baryonic densities and magnetic intensities are examined at zero temperature.
format Articulo
Articulo
author Aguirre, Ricardo Miguel
author_facet Aguirre, Ricardo Miguel
author_sort Aguirre, Ricardo Miguel
title Regularization of the Nambu–Jona-Lasinio model under a uniform magnetic field and the role of the anomalous magnetic moments
title_short Regularization of the Nambu–Jona-Lasinio model under a uniform magnetic field and the role of the anomalous magnetic moments
title_full Regularization of the Nambu–Jona-Lasinio model under a uniform magnetic field and the role of the anomalous magnetic moments
title_fullStr Regularization of the Nambu–Jona-Lasinio model under a uniform magnetic field and the role of the anomalous magnetic moments
title_full_unstemmed Regularization of the Nambu–Jona-Lasinio model under a uniform magnetic field and the role of the anomalous magnetic moments
title_sort regularization of the nambu–jona-lasinio model under a uniform magnetic field and the role of the anomalous magnetic moments
publishDate 2020
url http://sedici.unlp.edu.ar/handle/10915/131147
work_keys_str_mv AT aguirrericardomiguel regularizationofthenambujonalasiniomodelunderauniformmagneticfieldandtheroleoftheanomalousmagneticmoments
bdutipo_str Repositorios
_version_ 1764820453371674626

Ejemplares similares