Comment on the transition amplitude for toy universe models

Details Comment on the transition amplitude for toy universe models Comment on the transition amplitude for toy universe models

2001-08-30

arxiv.org/abs/gr-qc/0108077v1

Gen.Rel.Grav. 31 (1999) 1225-1235

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

13 pages 13 pages

Scientific paper

The parametrized system called ``ideal clock'' is turned into an ordinary gauge system and quantized by means of a path integral in which canonical gauges are admissible. Then the possibility of applying the results to obtain the transition amplitude for empty minisuperspaces, and the restrictions arising from the topology of the constraint surface, are studied by matching the models with the ideal clock. A generalization to minisuperspaces with true degrees of freedom is also discussed.

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