A note on causality constraining higher curvature corrections to gravity

A. Gruzinov, M. Kleban

    Research output: Contribution to journalArticle

    Abstract

    We show that causality constrains the sign of quartic Riemann corrections to the Einstein-Hilbert action. Our constraint constitutes a restriction on candidate theories of quantum gravity.

    Original languageEnglish (US)
    Article numberN02
    Pages (from-to)3521-3524
    Number of pages4
    JournalClassical and Quantum Gravity
    Volume24
    Issue number13
    DOIs
    StatePublished - Jul 7 2007

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    constrictions
    curvature
    gravitation

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

    Cite this

    A note on causality constraining higher curvature corrections to gravity. / Gruzinov, A.; Kleban, M.

    In: Classical and Quantum Gravity, Vol. 24, No. 13, N02, 07.07.2007, p. 3521-3524.

    Research output: Contribution to journalArticle

    Gruzinov, A. ; Kleban, M. / A note on causality constraining higher curvature corrections to gravity. In: Classical and Quantum Gravity. 2007 ; Vol. 24, No. 13. pp. 3521-3524.
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