EAS Publications Series
Volume 30, 2008Spanish Relativity Meeting - Encuentros Relativistas Españoles , ERE2007: Relativistic Astrophysics and Cosmology
|Page(s)||181 - 186|
|Published online||30 September 2008|
A. Oscoz, E. Mediavilla and M. Serra-Ricart (eds)
EAS Publications Series, 30 (2008) 181-186
Braneworld cosmological perturbations
Department of Mathematics & Statistics, University of New Brunswick, Fredericton, New Brunswick, Canada
A longstanding problem in braneworld cosmology is quantifying the dynamics of cosmological perturbations. This is because, unlike the 4-dimensional case, fluctuations are governed by non-separable partial differential equations (PDEs). We have developed a fast and accurate code to solve the relevant equations of motion, and hence extract observational predictions from braneworld models. Here, we briefly review braneworld scenarios, the perturbation problem, our numerical methods, and the results we have obtained for the Randall-Sundrum (RS) and Dvali-Gabadadze-Porrati (DGP) scenarios.
© EAS, EDP Sciences, 2008
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