On the Stability of Randall-Sundrum Braneworlds with Conformal Bulk Fields
Abstract
In the Randall-Sundrum scenario we consider exact 5-dimensional solutions with localized gravity which are associated with a well defined class of conformal bulk fields. We analyze their behaviour under radion field perturbations. We show that if the Randall-Sundrum exponential warp is the localizing metric function and the equation of state of the conformal fields is not changed by the radion perturbation then the 5-dimensional solutions are unstable. We present new stable solutions which describe on the brane the dynamics of inhomogeneous dust, generalized dark radiation and homogeneous polytopic matter.
Keywords
Cite
@article{arxiv.hep-th/0409051,
title = {On the Stability of Randall-Sundrum Braneworlds with Conformal Bulk Fields},
author = {Rui Neves},
journal= {arXiv preprint arXiv:hep-th/0409051},
year = {2007}
}
Comments
10 pages, latex, no figures. Contribution to the special issue of Vestnik of Tomsk State Pedagogical University in the field QFT/Cosmology/Gravity/Strings, edited by Sergei D. Odintsov