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Thick-wall tunneling in a piecewise linear and quadratic potential

Recording Details

Speaker(s): 
Scientific Areas: 
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PIRSA Number: 
11040082

Abstract

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].