Muestra métricas de impacto externas asociadas a la publicación. Para mayor detalle:
| Indexado |
|
||||
| DOI | 10.1140/EPJP/S13360-023-04237-1 | ||||
| Año | 2023 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
We study the cosmological dynamics of dark energy in a scalar-vector-torsion theory. The vector field is described by the cosmic triad and the scalar field is of the quintessence type with non-minimal coupling to gravity. The coupling to gravity is introduced through the interaction between the scalar field and torsion, where torsion is defined in the context of teleparallel gravity. We derive the full set of field equations for the Friedmann–Lemaître–Robertson–Walker space-time background and obtain the associated autonomous system. We obtain the critical points and their stability conditions, along with the cosmological properties of them. Thus, we show that the thermal history of the universe is successfully reproduced. Furthermore, new scaling solutions in which the scalar and vector field densities scale in the same way as the radiation and matter background fluids have been found. Finally, we also show that there exist new attractor fixed points whose nature is mainly vectorial, and which can explain the current accelerated expansion and therefore the dark energy-domination.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Gonzalez-Espinoza, Manuel | Hombre |
Universidad de Playa Ancha - Chile
|
| 2 | Otalora, Giovanni | Hombre |
Universidad de Tarapacá - Chile
|
| 3 | Leyva, Yoelsy | - |
Universidad de Tarapacá - Chile
|
| 4 | SAAVEDRA-ALVEAR, JOEL FRANCISCO | Hombre |
Pontificia Universidad Católica de Valparaíso - Chile
|
| Fuente |
|---|
| FONDECYT |
| Fondo Nacional de Desarrollo Científico y Tecnológico |
| FONDECYT de postdoctorado |
| Direccion de Investigacion, Postgrado y Transferencia Tecnologica de la Universidad de Tarapaca |
| Direccion de Investigacion, Postgrado y Transferencia Tecnologica de la Universidad de Tarapaca through Proyecto "Fortalecimiento Grupos de Investigacion UTA Codigo" |
| Agradecimiento |
|---|
| M. Gonzalez-Espinoza acknowledges the financial support of FONDECYT de Postdoctorado, N 3230801. Y. Leyva acknowledges Dirección de Investigación, Postgrado y Transferencia Tecnológica de la Universidad de Tarapacá for financial support through Proyecto “Fortalecimiento Grupos de Investigación UTA Código N 4732-23”. G. Otalora and J. Saavedra acknowledge the financial support of Fondecyt Grant 1220065. |
| M. Gonzalez-Espinoza acknowledges the financial support of FONDECYT de Postdoctorado, No 3230801. Y. Leyva acknowledges Direccion de Investigacion, Postgrado y Transferencia Tecnologica de la Universidad de Tarapaca for financial support through Proyecto "Fortalecimiento Grupos de Investigacion UTA Codigo No 4732-23". G. Otalora and J. Saavedra acknowledge the financial support of Fondecyt Grant 1220065. |