Semiclassical States for Constrained Systems

Details Semiclassical States for Constrained Systems Semiclassical States for Constrained Systems

2005-04-12

arxiv.org/abs/gr-qc/0504052v2

Phys.Rev. D72 (2005) 025008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

27 pages, 3 figures. V2 discussion expanded. Final version to be published in PRD

Scientific paper

10.1103/PhysRevD.72.025008

The notion of semi-classical states is first sharpened by clarifying two issues that appear to have been overlooked in the literature. Systems with linear and quadratic constraints are then considered and the group averaging procedure is applied to kinematical coherent states to obtain physical semi-classical states. In the specific examples considered, the technique turns out to be surprisingly efficient, suggesting that it may well be possible to use kinematical structures to analyze the semi-classical behavior of physical states of an interesting class of constrained systems.

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