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Multibody neutrino exchange in a neutron star: neutrino sea and border effects

Opened Access Multibody neutrino exchange in a neutron star: neutrino sea and border effects

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Autor: Rodríguez Quintero, José
Pène, Olivier
Abada, As.
Departamento: Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Fecha: 1997
Publicado en: Physics Letters B, 423 (3-4), 355-363.
Tipo de documento: Artículo
Resumen: The interaction due to the exchange of massless neutrinos between neutrons is a long-range force. Border effects on this multibody exchange inside a dense core are studied and computed analytically in dimensions. We demonstrate in this work that a proper treatment of the star's border effect automatically incorporates the condensate contribution as a consequence of the appropriate boundary conditions for the neutrino Feynman propagator inside the star. The total multibody exchange contribution is infrared-safe and vanishes exactly in dimensions. The general conclusion of this work is that the border effect does not modify the result that neutrino exchange is infrared-safe. This toy model prepares the ground and gives the tools for the study of the realistic star.
Cita: Rodríguez Quintero, J., Pène, O. y Abada, A. (1997). Multibody neutrino exchange in a neutron star: neutrino sea and border effects. Physics Letters B, 423 (3-4), 355-363.
Tamaño: 90.61Kb
Formato: PDF

URI: http://hdl.handle.net/11441/64565

DOI: 10.1016/S0370-2693(98)00037-9

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