PIRSA:13100063 Scientific Series Quantum Gravity

DOI10.48660/13100063

Series: Quantum Gravity

Glaser, L. (2013). A causal set action. Perimeter Institute. https://pirsa.org/13100063

Glaser, Lisa. A causal set action. Perimeter Institute, Oct. 31, 2013, https://pirsa.org/13100063 

@misc{ pirsa_PIRSA:13100063,
  doi = {10.48660/13100063},
  url = {https://pirsa.org/13100063},
  author = {Glaser, Lisa},
  keywords = {Quantum Gravity},
  language = {en},
  title = {A causal set action},
  publisher = {Perimeter Institute},
  year = {2013},
  month = {oct},
  note = {PIRSA:13100063 see, \url{https://pirsa.org}}
}

Abstract

Causal set theory is discrete, fully covariant theory of quantum gravity. The discrete framework makes it necessary to reformulate continuum concepts. One of these concepts is that of a derivative operator. It is possible to define a derivative operator in causal sets that in the continuum limit agrees with the d'Alembertian for a scalar field. This operator can be used to define a causal set action, which enables Monte-Carlo simulations. In this seminar I will present this operator and action and then show some results of Monte-Carlo simulations in 2 dimensions.

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