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Título: | Gravity triggered neutrino condensates |
Autor: | Barenboim, Gabriela CSIC ORCID | Fecha de publicación: | 24-nov-2010 | Editor: | American Physical Society | Citación: | Physical Review - Section D - Particles and Fields 82 (9): 093014 (2010) | Resumen: | In this work we use the Schwinger-Dyson equations to study the possibility that an enhanced gravitational attraction triggers the formation of a right-handed neutrino condensate, inducing dynamical symmetry breaking and generating a Majorana mass for the right-handed neutrino at a scale appropriate for the seesaw mechanism. The composite field formed by the condensate phase could drive an early epoch of inflation. We find that to the lowest order, the theory does not allow dynamical symmetry breaking. Nevertheless, thanks to the large number of matter fields in the model, the suppression by additional powers in G of higher order terms can be compensated, boosting them up to their lowest order counterparts. This way chiral symmetry can be broken dynamically and the infrared mass generated turns out to be in the expected range for a successful seesaw scenario. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevD.82.093014 | URI: | http://hdl.handle.net/10261/41829 | DOI: | 10.1103/PhysRevD.82.093014 | ISSN: | 1550-7998 |
Aparece en las colecciones: | (IFIC) Artículos |
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Gravity triggered.pdf | 344,37 kB | Adobe PDF | Visualizar/Abrir |
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