Physics – Mathematical Physics
Scientific paper
2005-06-12
J. Math. Phys. 46 (2005) 072107
Physics
Mathematical Physics
19 pages, to appear in J. Math. Phys
Scientific paper
10.1063/1.1948327
We address the deformation quantization of generally parametrized systems displaying a natural time variable. The purpose of this exercise is twofold: first, to illustrate through a pedagogical example the potential of quantum phase space methods in the context of constrained systems and particularly of generally covariant systems. Second, to show that a causal representation for quantum phase space quasidistributions can be easily achieved through general parametrization. This result is succinctly discussed.
Dias Nuno Costa
Prata Joao Nuno
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