%0 Journal Article %T On the Effective Potential of the Dp- anti Dp system in type II theories %A Igor Pesando %J Physics %D 1999 %I arXiv %R 10.1142/S0217732399001644 %X We compute the effective potential of a system composed by a Dp brane and a separated anti-Dp brane at tree level in string theory. We show explicitly that the tachyon condenses and that the scalars which describe transverse fluctuations acquire a VEV proportional to the distance. %U http://arxiv.org/abs/hep-th/9902181v2