April 12, 2010 , Tuesdays 11:30am-12:30pm / the Miller Room, Rockefeller 221 (or Friday 12:30 pm-1:30

Thick-wall tunneling in a piecewise linear and quadratic potential
After reviewing the basics of Coleman deLuccia tunneling, especially in the thin-wall limit, I discuss an (almost) exact tunneling solution in a piecewise linear and quadratic potential. A comparison with the exact solution for a piecewise linear potential demonstrates the dependence of the tunneling rate on the exact shape of the potential. Finally, I will mention applications when determining initial conditions for inflation in the landscape. Based on arXiv:1102.4742 [hep-th].
Host: Glenn Starkman