Black hole and de Sitter solutions in a covariant renormalizable field theory of gravity

G. Cognola, E. Elizalde, L. Sebastiani, S. Zerbini

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    15 Citations (Scopus)

    Abstract

    It is shown that Schwarzschild black hole and de Sitter solutions exist as exact solutions of a recently proposed relativistic covariant formulation of (power-counting) renormalizable gravity with a fluid. The formulation without a fluid is presented here too. The stability of the solutions is studied and their corresponding entropies are computed by using the covariant Wald method. The area law is shown to hold both for the Schwarzschild and for the de Sitter solutions found, confirming that, for the β=1 case, one is dealing with a minimal modification of general relativity. © 2011 American Physical Society.
    Original languageEnglish
    Article number063003
    JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
    Volume83
    Issue number6
    DOIs
    Publication statusPublished - 11 Mar 2011

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