Cosmological tensor perturbations in the Randall-Sundrum model: evolution in the near-brane limit
arXiv:hep-th/0308134 · doi:10.1103/PhysRevD.69.064040
Abstract
We discuss the evolution of cosmological tensor perturbations in the RSII model. In Gaussian normal coordinates the wave equation is non-separable, so we use the near-brane limit to perform the separation and study the evolution of perturbations. Massive excitations, which may also mix, decay outside the horizon which could lead to some novel cosmological signatures.
18 pages, 1 figure
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