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Gravitational Lorentz Violations and Adjustment of the Cosmological Constant in Asymmetrically Warped Spacetimes
Csaba Csaki, Joshua Erlich, Christophe Grojean
We investigate spacetimes in which the speed of light along flat 4D sections varies over the extra dimensions due to different warp factors for the space and the time coordinates (…
General Properties of the Self-tuning Domain Wall Approach to the Cosmological Constant Problem
Csaba Csaki, Joshua Erlich, Christophe Grojean +1
We study the dynamics of brane worlds coupled to a scalar field and gravity, and find that self-tuning of the cosmological constant is generic in theories with at most two branes o…
Graviton Propagators, Brane Bending and Bending of Light in Theories with Quasi-Localized Gravity
Csaba Csaki, Joshua Erlich, Timothy J. Hollowood
We derive the graviton propagator on the brane for theories with quasi-localized gravity. In these models the ordinary 4D graviton is replaced by a resonance in the spectrum of mas…
Holographic RG and Cosmology in Theories with Quasi-Localized Gravity
Csaba Csaki, Joshua Erlich, Timothy J. Hollowood +1
We study the long distance behaviour of brane theories with quasi-localized gravity. The 5D effective theory at large scales follows from a holographic renormalization group flow.…
Black Diamonds at Brane Junctions
Andrew Chamblin, Csaba Csaki, Joshua Erlich +1
We discuss the properties of black holes in brane-world scenarios where our universe is viewed as a four-dimensional sub-manifold of some higher-dimensional spacetime. We consider…
Universal Aspects of Gravity Localized on Thick Branes
Csaba Csaki, Joshua Erlich, Timothy J. Hollowood +1
We study gravity in backgrounds that are smooth generalizations of the Randall-Sundrum model, with and without scalar fields. These generalizations include three-branes in higher d…