Induced gravity on intersecting brane-worlds Part II: Cosmology

Details Induced gravity on intersecting brane-worlds Part II: Cosmology Induced gravity on intersecting brane-worlds Part II: Cosmology

2008-03-12

arxiv.org/abs/0803.1850v2

Phys.Rev.D78:124002,2008

Physics

High Energy Physics

High Energy Physics - Theory

21 pages, some mistakes in the identification of the higher codimensional singular structure corrected. Main results unchanged

Scientific paper

10.1103/PhysRevD.78.124002

We explore cosmology of intersecting braneworlds 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.

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