2:30pm Monday December 20 in Curia II
We examine the issue of the many inflating branes of the Randall-Sundrum model, in a cosmological setting. The exact solution found in a closed form indicates that the TeV brane (our Universe) has the highest expansion rate. The reason is the radion field that drives the inflation dumps most of its energy onto the TeV brane due to low suppression. In the second part, we introduce a potential that stabilizes the radion as well as bringing the Universe to a radiation-dominated regime. The branes roll down to the minimum of the radion potential thus ending inflation. The induced 4D cosmological constant decays while the brane rolls down the potential.Recovering Friedman equation at the minimum of the potential normalizes it around zero, thereby making $\lambda_4$ nearly zero. Other constraints like moduli field, sufficient e-folding,reheat temperature, DM, etc. are briefly addressed.