A surface theoretic model of quantum gravity

Details A surface theoretic model of quantum gravity A surface theoretic model of quantum gravity

1999-03-31

arxiv.org/abs/gr-qc/9903112v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Latex, 14 pages, No figure; Appendices added, References updated

Scientific paper

A surface theoretic view of non-perturbative quantum gravity as "spin-foams" was proposed by Baez. A possibility of constructing such a model was studied some time ago based on (2+1) dimensional general relativity as a reformulation of the Ponzano-Regge model in Riemannian spacetime. In the present work, a model based on (3+1) dimensional general relativity in Riemannian spacetime is presented. The construction is explicit and calculable in details. For a physical application, a computation formula for spacetime volume density correlations is presented. Remarks for further investigations are made.

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