De Sitter and power-law solutions in some models of modified gravity

Yi Zhong, Emilio Elizalde

    Research output: Contribution to journalArticleResearchpeer-review

    1 Citation (Scopus)

    Abstract

    © 2016 World Scientific Publishing Company. Inspired by some recent works of Lovelock Brans-Dicke (BD) gravity and mimetic gravity, cosmology solutions in extensions of these two modified gravities are investigated. A nonlocal term is added to the Lovelock BD action and Gauss-Bonnet (GB) terms to the mimetic action, correspondingly. de Sitter and power scale factor solutions are then obtained in both theories. They can provide natural new approaches to a more accurate description of the unverse evolution.
    Original languageEnglish
    Article number1650221
    JournalModern Physics Letters A
    Volume31
    Issue number38
    DOIs
    Publication statusPublished - 14 Dec 2016

    Keywords

    • Cosmology solution
    • mimetic
    • nonlocal

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