Theory of hybrid systems. II. The symmetrized product and redefined Lie bracket of quantum mechanics

Details Theory of hybrid systems. II. The symmetrized product and redefined Lie bracket of quantum mechanics Theory of hybrid systems. II. The symmetrized product and redefined Lie bracket of quantum mechanics

2001-03-09

arxiv.org/abs/quant-ph/0103046v1

Physics

Quantum Physics

16 pages, LaTeX

Scientific paper

The symmetrized product for quantum mechanical observables is defined. It is seen as consisting of the ordinary multiplication and the application of the superoperator that orders the operators of coordinate and momentum. This superoperator is defined in a way that allows obstruction free quantization when the observables are considered from the point of view of the algebra. Then, the operatorial version of the Poisson bracket is defined. It is shown that it has all properties of the Lie bracket and that it can substitute the commutator in the von Neumann equation.

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