PIRSA:21120025 Scientific Series Quantum Gravity

DOI10.48660/21120025

Series: Quantum Gravity

Wutte, R. (2021). Entropy, Causal Diagrams and Warped Flat Spacetimes. Perimeter Institute. https://pirsa.org/21120025

Wutte, Raphaela. Entropy, Causal Diagrams and Warped Flat Spacetimes. Perimeter Institute, Dec. 08, 2021, https://pirsa.org/21120025 

@misc{ pirsa_PIRSA:21120025,
  doi = {10.48660/21120025},
  url = {https://pirsa.org/21120025},
  author = {Wutte, Raphaela},
  keywords = {Quantum Gravity},
  language = {en},
  title = {Entropy, Causal Diagrams and Warped Flat Spacetimes},
  publisher = {Perimeter Institute},
  year = {2021},
  month = {dec},
  note = {PIRSA:21120025 see, \url{https://pirsa.org}}
}

Abstract

Conformal field theories have played an important role in understanding the origin of gravitational entropy, as the Cardy formula accounts for the entropy of three-dimensional BTZ black holes or black holes with an AdS3 near-horizon region. More recently, Cardy-type formulas have also been derived for different field theories, such as warped conformal field theories, which are two-dimensional field theories invariant under chiral scaling symmetry.

In this talk I discuss a particular class of three-dimensional spacetimes, dubbed warped flat spaces. I will present their geometric and thermodynamic properties, focusing on their causal structure. I will explain how their entropy can be accounted for through a dual description in terms of a warped conformal field theory.

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