f(R) Gravity with Torsion: The Metric-Affine Approach
General Relativity and Quantum Cosmology
2008-11-26 v2
Abstract
The role of torsion in f(R) gravity is considered in the framework of metric-affine formalism. We discuss the field equations in empty space and in presence of perfect fluid matter taking into account the analogy with the Palatini formalism. As a result, the extra curvature and torsion degrees of freedom can be dealt as an effective scalar field of fully geometric origin. From a cosmological point of view, such a geometric description could account for the whole Dark Side of the Universe.
Keywords
Cite
@article{arxiv.0708.3038,
title = {f(R) Gravity with Torsion: The Metric-Affine Approach},
author = {S. Capozziello and R. Cianci and C. Stornaiolo and S. Vignolo},
journal= {arXiv preprint arXiv:0708.3038},
year = {2008}
}
Comments
12 pages