Late time behavior of cosmological perturbations in a single brane model
Jul, 2004Citations per year
Abstract: (arXiv)
We present solutions for the late time evolution of cosmological tensor and scalar perturbations in a single-Randall-Sundrum brane world model. Assuming that the bulk is anti-de Sitter spacetime, the solutions for cosmological perturbations are derived by summing mode functions in Poincar\'e coordinate. The junction conditions imposed at the moving brane are solved numerically. The recovery of 4-dimensional Einstein gravity at late times is shown by solving the 5-dimensional perturbations throughout the infinite bulk. We also comment on several possibilities for having deviations from 4-dimensional Einstein gravity.- cosmological perturbation theory
- cosmology with extra dimensions
- membrane model
- perturbation: scalar
- perturbation: tensor
- Randall-Sundrum model
- dimension: 5
- dimension: 4
- boundary condition
- numerical calculations
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