Bianchi type I expanding universe in Weyl-invariant gravity with a quartic interaction term

W.F. Kao; Ing Chen Lin

doi:10.1140/epjc/s10052-017-5387-3

Bianchi type I expanding universe in Weyl-invariant gravity with a quartic interaction term

W.F. Kao^*, Ing Chen Lin

^*Corresponding author for this work

Institute of Physics

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

We will focus on the effect of a Weyl-invariant model with a quadratic interaction term and a free scalar field ψ. A set of analytic solutions will be obtained for this model. This model provides a dynamical alternative to the standard Λ CDM model. In particular, we will show that the quartic Weyl-invariant model prediction is consistent with the Hubble diagram observations.

Original language	American English
Article number	805
Journal	European Physical Journal C
Volume	77
Issue number	11
DOIs	https://doi.org/10.1140/epjc/s10052-017-5387-3
State	Published - 1 Nov 2017

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abstract = "We will focus on the effect of a Weyl-invariant model with a quadratic interaction term and a free scalar field ψ. A set of analytic solutions will be obtained for this model. This model provides a dynamical alternative to the standard Λ CDM model. In particular, we will show that the quartic Weyl-invariant model prediction is consistent with the Hubble diagram observations.",

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AB - We will focus on the effect of a Weyl-invariant model with a quadratic interaction term and a free scalar field ψ. A set of analytic solutions will be obtained for this model. This model provides a dynamical alternative to the standard Λ CDM model. In particular, we will show that the quartic Weyl-invariant model prediction is consistent with the Hubble diagram observations.

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Bianchi type I expanding universe in Weyl-invariant gravity with a quartic interaction term

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