PIRSA:10120039

I^+ and de Sitter - esque Holography?

APA

Anninos, D. (2010). I^+ and de Sitter - esque Holography?. Perimeter Institute for Theoretical Physics. https://pirsa.org/10120039

MLA

Anninos, Dionysios. I^+ and de Sitter - esque Holography?. Perimeter Institute for Theoretical Physics, Dec. 08, 2010, https://pirsa.org/10120039

BibTex

          @misc{ scivideos_PIRSA:10120039,
            doi = {10.48660/10120039},
            url = {https://pirsa.org/10120039},
            author = {Anninos, Dionysios},
            keywords = {Quantum Fields and Strings},
            language = {en},
            title = {I^+ and de Sitter - esque Holography?},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2010},
            month = {dec},
            note = {PIRSA:10120039 see, \url{https://scivideos.org/index.php/pirsa/10120039}}
          }
          

Dionysios Anninos King's College London

Talk numberPIRSA:10120039
Source RepositoryPIRSA

Abstract

We will discuss two topics. First we will revisit the asymptotic structure of classical de Sitter space. In particular we will construct charges at future infinity (I^+) and obtain the asymptotic symmetry group drawing parallels with the BMS group of flat space. Secondly, move away from the region I^+ and study the space living near the cosmological horizon by considering large rotating Nariai black holes whose size tends to that of the cosmological horizon. We will examine the resulting near (cosmological) horizon geometry and find an interesting asymptotic structure containing the Virasoro algebra, suggestive of a holographic interpretation.