PIRSA:13070081 Conference

DOI10.48660/13070081

Conference/School: Loops 13

Krasnov, K. (2013). Diffeomorphism Invariant Gauge Theories. Perimeter Institute. https://pirsa.org/13070081

Krasnov, Kirill. Diffeomorphism Invariant Gauge Theories. Perimeter Institute, Jul. 26, 2013, https://pirsa.org/13070081 

@misc{ pirsa_PIRSA:13070081,
  doi = {10.48660/13070081},
  url = {https://pirsa.org/13070081},
  author = {Krasnov, Kirill},
  keywords = {},
  language = {en},
  title = {Diffeomorphism Invariant Gauge Theories},
  publisher = {Perimeter Institute},
  year = {2013},
  month = {jul},
  note = {PIRSA:13070081 see, \url{https://pirsa.org}}
}

Abstract

I will describe a very large class of gauge theories that do not use any external structure such as e.g. a spacetime metric in their construction. When the gauge group is taken to be SL(2) these theories describe interacting gravitons, with GR being just a particular member of a whole family of gravity theories. Taking larger gauge groups one obtains gravity coupled to various matter systems. In particular, I will show how gravity together with Yang-Mills gauge fields arise from one and the same diffeomorphism invariant gauge theory Lagrangian. Finally, I will describe what is known about these theories quantum mechanically.

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