Regular Article - Theoretical Physics
Bianchi type I expanding universe in Weyl-invariant gravity with a quartic interaction term
Institute of Physics, National Chiao Tung University, Hsinchu, Taiwan
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Accepted: 14 November 2017
Published online: 26 November 2017
We will focus on the effect of a Weyl-invariant model with a quadratic interaction term and a free scalar field . A set of analytic solutions will be obtained for this model. This model provides a dynamical alternative to the standard CDM model. In particular, we will show that the quartic Weyl-invariant model prediction is consistent with the Hubble diagram observations.
© The Author(s), 2017