#### Informal High Energy Theory Seminar -Hunting De Sitter Holography from the Bottom Up - Matthew Baumgart, Johns Hopkins University

The holographic RG of Anti-De Sitter gives a powerful clue about theunderlying AdS/CFT correspondence.The question is whether similar hints can be found for the heretoforeelusive holographic dual of De Sitter.The framework of stochastic inflation uses a nonperturbative insightin order to tame bad behavior in theperturbation series at late times. Recasting this as a "resummationof time", we wish understand whetherthe distributions that result can be thought of as an attractive UVfixed point of a theory living on a spacelikeslice of DS. I will discuss our rederivation of stochastic inflationin terms of wavefunctionals, the straightforwardway one can implement corrections to the leading approximations, andthe robustness of the late-time equilibriumto perturbations.

**Location:**
Bloomberg Hall of Physics Library - Institute for Advanced Study

**Date/Time: **11/29/11
at
1:30 pm
- 11/29/11
at
3:00 pm

**Category: **High Energy Theory Seminar

**Department: **Physics