Modified gravity on the brane and dark energy

Emilio Elizalde, Rui Gomes Mendonça Neves

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    1 Citation (Scopus)

    Abstract

    We analyze the dynamics of an AdS5 braneworld with matter fields when gravity is allowed to deviate from the Einstein form on the brane. We consider exact five-dimensional warped solutions which are associated with conformal bulk fields of weight -4 and describe on the brane the following three dynamics: those of inhomogeneous dust, of generalized dark radiation, and of homogeneous polytropic dark energy. We show that, with modified gravity on the brane, the existence of such dynamical geometries requires the presence of non-conformal matter fields confined to the brane.
    Original languageEnglish
    Pages (from-to)1367-1377
    JournalGeneral Relativity and Gravitation
    Volume38
    Issue number9
    DOIs
    Publication statusPublished - 1 Sep 2006

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