Pre-Big Bang scenario on self-T-dual bouncing branes
Pre-Big Bang scenario on self-T-dual bouncing branes
We consider a new class of five-dimensional dilatonic actions which are invariant under T-duality transformations along three compact coordinates, provided that an appropriate potential is chosen. We show that the invariance remains when we add a boundary term corresponding to a moving 3-brane, and we study the effects of the …