Induced gravity on intersecting brane worlds. II, Cosmology

O. Corradini, Kazuya Koyama, Gianmassimo Tasinato

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Abstract

We explore cosmology of intersecting brane worlds with induced gravity on the branes. We find the cosmological equations that control the evolution of a moving codimension-one brane and a codimension-two brane that sits at the intersection. We study the Friedmann equation at the intersection, finding new contributions from the six-dimensional bulk. These higher dimensional contributions allow us to find new examples of self-accelerating configurations for the codimension-two brane at the intersection and we discuss their features.
Original languageEnglish
Pages (from-to)124002
JournalPhysical Review D
Volume78
Issue number12
DOIs
Publication statusPublished - Dec 2008

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