Geometrodynamic Quantization and Time Evolution in Quantum Gravity

Details Geometrodynamic Quantization and Time Evolution in Quantum Gravity Geometrodynamic Quantization and Time Evolution in Quantum Gravity

1994-12-12

arxiv.org/abs/gr-qc/9412037v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

21 pages, 2 figures, revtex using epsf.sty, used uufiles -gz -9 macro

Scientific paper

We advance here a new gravity quantization procedure that explicitly utilizes York's analysis of the geometrodynamic degrees of freedom. This geometrodynamic procedure of quantization is based on a separation of the true dynamic variables from the embedding parameters and a distinctly different treatment of these two kinds of variables. While the dynamic variables are quantized following the standard quantum mechanical and quantum field theoretic procedures, the embedding parameters are determined by the "classical" constraint equations in which the expectation values of the dynamic variables are substituted in place of their classical values. This self-consistent procedure of quantization leads to a linear Schrodinger equation augmented by nonlinear "classical" constraints and supplies a natural description of time evolution in quantum geometrodynamics. In particular, the procedure sheds new light on the "problems of time" in quantum gravity.

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