Unifying inflation with dark energy in modified F(R) Hořava-Lifshitz gravity

E. Elizalde, S. Nojiri, S. D. Odintsov, D. Sáez-Gómez

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    54 Citations (Scopus)


    We study FRW cosmology for a non-linear modified F(R) Hořava-Lifshitz gravity which has a viable convenient counterpart. A unified description of early-time inflation and late-time acceleration is possible in this theory, but the cosmological dynamic details are generically different from the ones of the convenient viable F(R) model. Remarkably, for some specific choice of parameters they do coincide. The emergence of finite-time future singularities is investigated in detail. It is shown that these singularities can be cured by adding an extra, higher-derivative term, which turns out to be qualitatively different when compared with the corresponding one of the convenient F(R) theory. © 2010 Springer-Verlag / Società Italiana di Fisica.
    Original languageEnglish
    Pages (from-to)351-361
    JournalEuropean Physical Journal C
    Issue number1
    Publication statusPublished - 1 Nov 2010


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