Induced gravity on intersecting brane-worlds Part II: Cosmology

Abstract

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.

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

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• Opening up extra dimensions at ultra-large scales
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• Cascading Gravity and Degravitation
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• Spinflation
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• Softly Massive Gravity
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• Regularization of Brane Induced Gravity
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• Unexorcized ghost in DGP brane world
• Dark Energy as a Modification of the Friedmann Equation
• Quasi-Thick Codimension 2 Braneworld
• Origami World
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• Localized gravity and mass hierarchy in D=6 with the Gauss-Bonnet term
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• The 6D SuperSwirl
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• Bubbles in the Self-Accelerating Universe
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Cited by in corpus (29)

• Modified Gravity and Cosmology
• Beyond the Cosmological Standard Model
• Brane-World Gravity
• Cosmological Tests of Modified Gravity
• Testing General Relativity in Cosmology
• Cosmological Tests of Gravity
• Galileon inflation
• Symmetron Cosmology
• DBI and the Galileon reunited
• Multi-galileons, solitons and Derrick's theorem
• Codimension-2 Brane-Bulk Matching: Examples from Six and Ten Dimensions
• Cascading Cosmology
• Cascading Gravity is Ghost Free
• Large Dimensions and Small Curvatures from Supersymmetric Brane Back-reaction
• Induced gravity on intersecting brane-worlds Part I: Maximally symmetric solutions
• Instabilities of Spherical Solutions with Multiple Galileons and SO(N) Symmetry
• Enhanced Peculiar Velocities in Brane-Induced Gravity
• Field localization on a brane intersection in anti-de Sitter spacetime
• Bulk Axions, Brane Back-reaction and Fluxes
• Black Holes on Thin 3-branes of Codimension-2 and their Extension into the Bulk
• The consistency of codimension-2 braneworlds and their cosmology
• Screening bulk curvature in the presence of large brane tension
• Perturbations of Nested Branes With Induced Gravity
• Sculpting the Extra Dimensions: Inflation from Codimension-2 Brane Back-reaction
• Strong Coupling Holography
• The critical tension in the Cascading DGP model
• Degravitation Features in the Cascading Gravity Model
• Conical singularities regularized in warped six-dimensional flux compactification and their induced brane cosmology
• Codimension-2 black hole solutions on a thin 3-brane and their extension into the bulk