Anomaly In 2d-Gravity Coupled To Matter Fields

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In 1+1 dimensions, the Wheeler-DeWitt equation cannot be imposed owing to an anomaly in its commutator with the diffeomorphism constraint. A similar obstruction prevents also a semiclassical definition of a WKB local time. (Talk given at the 7th Marcel Grossman Meeting on General Relativity, Stanford, July 28, 1994.)
3 pages, UCLA/94/TEP/34 [One sentence in the conclusion and one reference added.]

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General Relativity and Quantum Cosmology

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http://salesiana.dossiersoluciones.com/handle/123456789/147704

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/9409019
 http://arxiv.org/abs/gr-qc/9409019

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arXiv