PIRSA:25040126

Video URL

https://pirsa.org/25040126

De Sitter Horizon Edge Partition Functions

Law, A. (2025). De Sitter Horizon Edge Partition Functions. Perimeter Institute for Theoretical Physics. https://pirsa.org/25040126

Law, Albert. De Sitter Horizon Edge Partition Functions. Perimeter Institute for Theoretical Physics, Apr. 24, 2025, https://pirsa.org/25040126 

          @misc{ scivideos_PIRSA:25040126,
            doi = {10.48660/25040126},
            url = {https://pirsa.org/25040126},
            author = {Law, Albert},
            keywords = {Quantum Gravity},
            language = {en},
            title = {De Sitter Horizon Edge Partition Functions},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2025},
            month = {apr},
            note = {PIRSA:25040126 see, \url{https://scivideos.org/pirsa/25040126}}
          }

Albert Law Stanford University

Talk numberPIRSA:25040126
DOI10.48660/25040126
Source RepositoryPIRSA
Collection
Talk Type Scientific Series
Subject

Abstract

Discrepancies between Lorentzian and Euclidean calculations of quantum corrections to de Sitter horizon thermodynamics revealed the existence of ‘edge’ degrees of freedom on the horizon. In this talk, I will review these calculations and present updates on understanding the physics of such edge modes in both gauge theories and (higher-spin) gravity. For Einstein gravity, I will discuss a plausible interpretation involving an embedded spherical brane. Finally, I will comment on how these ideas extend to more general black hole spacetimes.