PIRSA:25010077 Scientific Series Quantum Gravity

DOI10.48660/25010077

Series: Quantum Gravity

(2025). Celestial CFT from Dimensional Reduction of CFT. Perimeter Institute. https://pirsa.org/25010077

Celestial CFT from Dimensional Reduction of CFT. Perimeter Institute, Jan. 23, 2025, https://pirsa.org/25010077 

@misc{ pirsa_PIRSA:25010077,
  doi = {10.48660/25010077},
  url = {https://pirsa.org/25010077},
  author = {},
  keywords = {Quantum Gravity},
  language = {en},
  title = {Celestial CFT from Dimensional Reduction of CFT},
  publisher = {Perimeter Institute},
  year = {2025},
  month = {jan},
  note = {PIRSA:25010077 see, \url{https://pirsa.org}}
}

Abstract

The Celestial Holography conjecture posits the existence of a codimension two theory whose correlators compute the S-matrix in a conformal primary basis. Although resembling a CFT in several respects, the intrinsic definition of this proposed dual theory remains elusive. In this talk, I will discuss a conjecture suggesting that Celestial CFT (CCFT) is related to a dimensionally reduced CFT on the Lorentzian cylinder and present some concrete examples of celestial amplitudes constructed in this way.

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