Cosmological tensor perturbations in the Randall-Sundrum model: evolution in the near-brane limit

Details Cosmological tensor perturbations in the Randall-Sundrum model: evolution in the near-brane limit Cosmological tensor perturbations in the Randall-Sundrum model: evolution in the near-brane limit

2003-08-20

arxiv.org/abs/hep-th/0308134v1

Phys.Rev. D69 (2004) 064040

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, 1 figure

Scientific paper

10.1103/PhysRevD.69.064040

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.

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