Modified Gravity with Vector Distortion and Cosmological Applications - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Universe Année : 2017

Modified Gravity with Vector Distortion and Cosmological Applications

Résumé

We briefly review the basics of Weyl geometry and its natural extension by a general linear ”distortion” of the metric connection by a vector field. A special class of the connections has torsion but retains the Weyl’s semi-metricity condition. We present ghost-free gravitational theories in this geometrical setup and highlight their possible cosmological applications, such as new self-tuning solutions and new bouncing solutions found in the quadratic-curvature theories. The vector distortion can mimic the cosmological effects of dark matter
Fichier principal
Vignette du fichier
universe-03-00047.pdf (292.79 Ko) Télécharger le fichier
Origine : Fichiers éditeurs autorisés sur une archive ouverte
Loading...

Dates et versions

hal-01554711 , version 1 (24-04-2018)

Identifiants

Citer

Jose Beltrán Jiménez, Tomi S. Koivisto. Modified Gravity with Vector Distortion and Cosmological Applications. Universe, 2017, 3 (2), pp.47. ⟨10.3390/universe3020047⟩. ⟨hal-01554711⟩
366 Consultations
172 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More