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

Win-Fun Kao*, Ing Chen Lin

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-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 languageEnglish
    Article number805
    JournalEuropean Physical Journal C
    Volume77
    Issue number11
    DOIs
    StatePublished - 1 Nov 2017

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