PIRSA:13120005 Scientific Series Cosmology

DOI10.48660/13120005

Series: Colloquium

(2013). Partially Massless Gravity. Perimeter Institute. https://pirsa.org/13120005

Partially Massless Gravity. Perimeter Institute, Dec. 11, 2013, https://pirsa.org/13120005 

@misc{ pirsa_PIRSA:13120005,
  doi = {10.48660/13120005},
  url = {https://pirsa.org/13120005},
  author = {},
  keywords = {Cosmology},
  language = {en},
  title = {Partially Massless Gravity},
  publisher = {Perimeter Institute},
  year = {2013},
  month = {dec},
  note = {PIRSA:13120005 see, \url{https://pirsa.org}}
}

Abstract

On de Sitter space, there exists a special value for the mass of a graviton for which the linear theory propagates 4 rather than 5 degrees of freedom. If a fully non-linear version of the theory exists and can be coupled to known matter, it would have interesting properties and could solve the cosmological constant problem. I will describe evidence for and obstructions to the existence of such a theory.

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