Coherent State Quantization of Constraint Systems

Details Coherent State Quantization of Constraint Systems Coherent State Quantization of Constraint Systems

1996-04-26

arxiv.org/abs/quant-ph/9604033v1

Annals Phys. 254 (1997) 419-453

Physics

Quantum Physics

Latex, 38 pages, no figures

Scientific paper

10.1006/aphy.1996.5647

A careful reexamination of the quantization of systems with first- and second-class constraints from the point of view of coherent-state phase-space path integration reveals several significant distinctions from more conventional treatments. Most significantly, we emphasize the importance of using path-integral measures for Lagrange multipliers which ensure that the quantum system satisfies the quantum constraint conditions. Our procedures involve no delta-functionals of the classical constraints, no need for gauge fixing of first-class constraints, no need to eliminate second-class constraints, no potentially ambiguous determinants, and have the virtue of resolving differences between canonical and path-integral approaches. Several examples are considered in detail.

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