An Effective Field Theory Dual of FRW Spacetime

          @misc{ scivideos_PIRSA:11060048,
            doi = {10.48660/11060048},
            url = {https://pirsa.org/11060048},
            author = {},
            keywords = {Cosmology},
            language = {en},
            title = {An Effective Field Theory Dual of FRW Spacetime},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2011},
            month = {jun},
            note = {PIRSA:11060048 see, \url{https://scivideos.org/pirsa/11060048}}
          }
          

Abstract

We investigate a simple FRW spacetime realized by a brane construction. This also comes from a Coleman-de Luccia decay from a metastable de Sitter. We motivate a dual description in terms of a low energy effective field theory (EFT) on FRW in one lower dimensions. This EFT is coupled to gravity with a time-dependent Planck mass that grows to infinity at late times. We investigate the entropy bound, correlation functions, and various particle/brane probes as first steps to understand the degrees of freedom building up the EFT. This is work in collaboration with B. Horn, S. Matsuura, E. Silverstein, and G. Torroba.