Asymptotic behavior of N-fields Chiral cosmology
Abstract
We perform a detailed analysis for the asymptotic behaviour for the multi-scalar field Chiral cosmological scenario. We present the asymptotic behaviour for the one-field, two-fields and three-fields Chiral models. From these results, and deriving conserved quantities, we present a Theorem for the N-fields model for the Chiral model with N-fields. We find that the maximum number of scalar fields which provide interesting physical results at the background level is two-fields, while for N>2 the new stationary points are only of mathematical interest since they do not describe new exact solutions different from those recovered for N=2.
Más información
Título según WOS: | Asymptotic behavior of N-fields Chiral cosmology |
Título de la Revista: | EUROPEAN PHYSICAL JOURNAL C |
Volumen: | 80 |
Número: | 9 |
Editorial: | Springer |
Fecha de publicación: | 2020 |
DOI: |
10.1140/EPJC/S10052-020-8423-7 |
Notas: | ISI |