Dynamic Scalar Torsion and an Oscillating Universe

Details Dynamic Scalar Torsion and an Oscillating Universe Dynamic Scalar Torsion and an Oscillating Universe

2006-12-27

arxiv.org/abs/astro-ph/0612738v1

Mod.Phys.Lett.A22:2057-2069,2007

Astronomy and Astrophysics

Astrophysics

13 pages, 12 eps figures, an invited talk to 2006 International Symposium on Cosmology and Particle Astrophysics, Taipei, Taiw

Scientific paper

10.1142/S0217732307025303

For the Poincare gauge theory of gravity we consider the dynamical scalar torsion mode in a cosmological context. We explore in particular the possibility of using dynamical torsion to explain the current state of the accelerating Universe. With certain suitable sets of chosen parameters, this model can give a (qualitatively) proper description of the current universe without a cosmological constant, and the universe described is oscillating with a period of the Hubble time.

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