Exponential Hierarchy From Spacetime Variable String Vacua
arXiv:hep-th/0005162 · doi:10.1088/1126-6708/2000/09/015
Abstract
It is shown that non-supersymmetric spacetime varying string vacua can lead to an exponential hierarchy between the electroweak and the gravitational scales. The hierarchy is naturally generated by a string coupling of O(1).
22 pages, Latex, 2 figures