Can Weyl geometry explain acceleration?

Details Can Weyl geometry explain acceleration? Can Weyl geometry explain acceleration?

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005jphcs...8..131m&link_type=abstract

Journal of Physics: Conference Series, Volume 8, Issue 1, pp. 131-144 (2005).

Physics

2

Scientific paper

We study homogeneous and isotropic cosmologies in a Weyl spacetime. We show that for homogeneous and isotropic spacetimes, the field equations can be reduced to the Einstein equations with a two-fluid source. We write the equations as a two-dimensional dynamical system and analyze the qualitative, asymptotic behavior of the models. We examine the possibility that in certain theories the Weyl 1-form may give rise to a late accelerated expansion of the Universe and conclude that such behaviour is not met as a generic feature of the simplest cosmologies.

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