Five-Dimensional Black Hole String Backgrounds and Brane Universe Acceleration
arXiv:0904.1484 · doi:10.1016/j.physletb.2009.07.001
Abstract
We examine background solutions of black hole type arising from the string effective action in five dimensions. We derive the unique metric - dilaton vacuum which is a Schwarzschild type black hole. It is found that it can be extended to incorporate electric charge without changing the topology of the three space. Kalb-Ramond charge may also be introduced if the three space is closed. The basic features of the cosmology induced on a three brane evolving in this background are also discussed.
15 pages, 1 figure. The discussion in the last section expanded and clarified, typos corrected, references added. Version to appear in Phys. Lett. B