Outline of a generally covariant quantum field theory and a quantum theory of gravity
- 1 November 1995
- journal article
- research article
- Published by AIP Publishing in Journal of Mathematical Physics
- Vol. 36 (11) , 6529-6547
- https://doi.org/10.1063/1.531255
Abstract
We study a tentative generally covariant quantum field theory, denoted the T theory, as a tool to investigate the consistency of quantum general relativity. The theory describes the gravitational field and a minimally coupled scalar field; it is based on the loop representation, and on a certain number of quantization choices. Four‐dimensional diffeomorphism‐invariant quantum transition probabilities can be computed from the theory. We discuss the choices on which the T theory relies, and the possibilities of modifying them.Keywords
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