About
In this colloquium we will review recent progress in de Sitter quantum gravity, with a focus on two directions: de Sitter solutions in String Theory, and holography. In the first direction, we will discuss energetics arguments that give necessary ingredients for obtaining cosmological solutions. We will then argue that M-theory compactified on a hyperbolic manifold, with Casimir energy and flux, gives a simple and promising candidate for 4-dimensional de Sitter spacetime. In the second part of the talk we will discuss how a novel class of controlled irrelevant deformations in quantum field theory are key for a holographic formulation of de Sitter and an explanation of its entropy. .
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The talk
Credits and licence
- Institution
- CERN
- Department
- Theory Colloquia
- Speaker
- Gonzalo Torroba
- Year
- 2023
- Language
- English
- Subjects
- Physics
- Source
- CERN
- Licence
- CERN, as CERN states it. CERN's terms
- Attribution
- © CERN. CERN provides its audiovisual media free of charge for educational and informational use, credited to CERN; this lecture is shown in CERN's own player.
- Who can watch
- CERN gives no rating. Invisible Network shows it to Tweens profiles and older, judged from what the source says about it. How courses are placed