TY  - JOUR
A1  - Benisty, David
A1  - Guendelman, Eduardo I.
A1  - Venn, Armin van de
A1  - Vasak, David
A1  - Struckmeier, Jürgen
A1  - Stöcker, Horst
T1  - The dark side of the torsion: dark energy from propagating torsion
T2  - The European physical journal. C, Particles and fields
N2  - An extension to the Einstein–Cartan (EC) action is discussed in terms of cosmological solutions. The torsion incorporated in the EC Lagrangian is assumed to be totally anti-symmetric, represented by a time-like axial vector Sμ. The dynamics of torsion is invoked by a novel kinetic term. Here we show that this kinetic term gives rise to dark energy, while the quadratic torsion term, emanating from the EC part, represents a stiff fluid that leads to a bouncing cosmology solution. A constraint on the bouncing solution is calculated using cosmological data from different epochs.
Y1  - 2022
UR  - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/86344
UR  - https://nbn-resolving.org/urn:nbn:de:hebis:30:3-863445
SN  - 1434-6052
VL  - 82.2022
IS  - article number 264
PB  - Springer
CY  - Berlin ; Heidelberg
ER  -