Prospects of Non-Riemannian Cosmology

Details Prospects of Non-Riemannian Cosmology Prospects of Non-Riemannian Cosmology

2005-01-12

arxiv.org/abs/astro-ph/0501231v1

Proceedings of 22nd Texas Symposium on Relativistic Astrophysics at Stanford University, Stanford, California, 13-17 Dec 2004,

Astronomy and Astrophysics

Astrophysics

5 pages, 3 figures, 22nd Texas Symposium on Rel. Astrophysics, Stanford University, December 2004

Scientific paper

In this work we provide the motivation for considering non-Riemannian models in cosmology. Non-Riemannian extensions of general relativity theory have been studied for a long time. In such theories the spacetime continuum is no longer described by the metric alone but endowed with additional geometric quantities. These new quantities can be coupled to the intrinsic properties of matter in a very natural way and therefore provide a richer gravitational theory, which might be necessary in view of the recent cosmological evidence for dark matter and dark energy. In this work we mainly focus on the concepts in metric-affine gravity and point out their possible significance in the process of cosmological model building.

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