PIRSA:23050117 Conference Quantum Gravity Cosmology

DOI10.48660/23050117

Conference/School: Quantum Spacetime in the Cosmos: From Conception to Reality

Crowther, K. (2023). The role of singularities in the search for quantum gravity. Perimeter Institute. https://pirsa.org/23050117

Crowther, Karen. The role of singularities in the search for quantum gravity. Perimeter Institute, May. 09, 2023, https://pirsa.org/23050117 

@misc{ pirsa_PIRSA:23050117,
  doi = {10.48660/23050117},
  url = {https://pirsa.org/23050117},
  author = {Crowther, Karen},
  keywords = {Quantum Gravity, Cosmology},
  language = {en},
  title = {The role of singularities in the search for quantum gravity},
  publisher = {Perimeter Institute},
  year = {2023},
  month = {may},
  note = {PIRSA:23050117 see, \url{https://pirsa.org}}
}

Abstract

Singularities in general relativity and quantum field theory are often taken not only to motivate the search for a more-fundamental theory (quantum gravity), but also to characterise this new theory and shape expectations of what it is to achieve. In this talk, I will explore how different types of singularities play a role in the search for quantum gravity, and how different `attitudes' towards singularities can lead to different scenarios for the new theory. [Based on joint work with Sebastian DeHaro].

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