Regularization of brane induced gravity

Marko Kolanovic, Massimo Porrati, Jan Willem Rombouts

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We study the regularization of theories of "brane induced" gravity in codimension N> 1. The brane can be interpreted as a thin dielectric with a large dielectric constant, embedded in a higher dimensional space. The kinetic term for the higher dimensional graviton is enhanced over the brane. A four dimensional gravitation is found on the brane at distances smaller than a critical distance r<rc, and is due to the exchange of a massive resonant graviton. The crossover scale rc is determined by the mass of the resonance. The suppression of the couplings of light Kaluza-Klein modes to brane matter results in a higher dimensional force law at large distances. We show that the resulting theory is free of ghosts or tachyons.

    Original languageEnglish (US)
    Article number064018
    JournalPhysical Review D
    Volume68
    Issue number6
    DOIs
    StatePublished - 2003

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)

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