Nonsingular Cosmologies from Branes
arXiv:hep-th/0301144 · doi:10.1142/S0217751X04017513
Abstract
We analyse possible cosmological scenarios on a brane where the brane acts as a dynamical boundary of various black holes with anti-de Sitter or de Sitter asymptotics. In many cases, the brane is found to describe completely non-singular universe. In some cases, quantum gravity era of the brane-universe can also be avoided by properly tuning bulk parameters. We further discuss the creation of a brane-universe by studying its wave function. This is done by employing Wheeler-De Witt equation in the mini superspace formalism.
20 pages, 6 figures, Latex, references added. Journal version