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Scalar field in nuclear matter: the roles of spontaneous chiral symmetry breaking and nucleon structure
Chiral theories with spontaneous symmetry breaking such as the Nambu-Jona-Lasinio (NJL) model lead to the existence of a scalar mode. We present in a detailed manner how the corresponding low momentum effective lagrangian involving the scalar field can be constructed starting from the NJL model. We...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2010
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevC.83.015204 http://cds.cern.ch/record/1308378 |