Dark spinors with torsion in cosmology

Details Dark spinors with torsion in cosmology Dark spinors with torsion in cosmology

2008-09-02

arxiv.org/abs/0809.0469v3

Phys.Rev.D78:104001,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages, 3 figures; reference added, minor improvements

Scientific paper

10.1103/PhysRevD.78.104001

We solve one of the open problems in Einstein-Cartan theory, namely we find a natural matter source whose spin angular momentum tensor is compatible with the cosmological principle. We analyze the resulting evolution equations and find that an epoch of accelerated expansion is an attractor. The torsion field quickly decays in that period. Our results are interpreted in the context of the standard model of cosmology.

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