Stability of the anisotropically inflating Bianchi type VI expanding solutions

W. F. Kao*, Ing Chen Lin

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    14 Scopus citations

    Abstract

    A special class of the Bianchi type VI expanding solutions was speculated to break the cosmic no-hair theorem that will not approach the late-time de Sitter solution. We will show that an unstable mode always exists when the perturbation of the field equations is applied to the system. In addition to a model-independent perturbation formula, a simplification is also achieved by the introduction of a δR=0 solution good for quadratic models in all Bianchi spaces. The result shows that this special class of anisotropically expanding solutions is unstable.

    Original languageEnglish
    Article number063004
    JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
    Volume83
    Issue number6
    DOIs
    StatePublished - 21 Mar 2011

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