Time in (2+1)-Dimensional Quantum Gravity

1994/05/20 by S. Carlip, Carlip, S.
Physics and Astronomy · #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #gr-qc

paper · pdf · doi:10.48550/arxiv.gr-qc/9405043

5 pages, LaTeX, UCD-94-18

arxiv created 1994/05/20 · arxiv updated 2009/11/30

Abstract

General relativity in three spacetime dimensions is used to explore three approaches to the ``problem of time'' in quantum gravity: the internal Schrödinger approach with mean extrinsic curvature as a time variable, the Wheeler-DeWitt equation, and covariant canonical quantization with ``evolving constants of motion.'' (To appear in \em Proc. of the Lanczos Centenary Conference, Raleigh, NC, December 1993.)

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