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

2003/08/20 by Richard A. Battye, R. A. Battye, Carsten van de Bruck +3
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Galaxies: Formation, Evolution, Phenomena #hep-th

paper · pdf · doi:10.1103/physrevd.69.064040

published as Phys.Rev. D69 (2004) 064040 · 18 pages, 1 figure

arxiv created 2003/08/20 · openalex publication_date 2004/03/01 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We discuss the evolution of cosmological tensor perturbations in the Randall-Sundrum model with one brane. In Gaussian normal coordinates the wave equation is nonseparable, 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.

Citations

• Gravitational waves from inflation on the brane
• On brane world cosmological perturbations
• Gauge-invariant gravitational perturbations of maximally symmetric spacetimes
• Large Mass Hierarchy from a Small Extra Dimension
• Transdimensional physics and inflation