Wigner functions, coherent states, one-dimensional marginal probabilities and uncertainty structures of Landau levels

Details Wigner functions, coherent states, one-dimensional marginal probabilities and uncertainty structures of Landau levels Wigner functions, coherent states, one-dimensional marginal probabilities and uncertainty structures of Landau levels

2007-04-27

arxiv.org/abs/0704.3699v1

Physics

Quantum Physics

20 pages. Submitted

Scientific paper

Following an approach based on generating function method phase space characteristics of Landau system are studied in the autonomous framework of deformation quantization. Coherent state property of generating functions is established and marginal probability densities along canonical coordinate lines are derived. Well defined analogs of inner product, Cauchy-Bunyakowsy-Schwarz inequality and state functional have been defined in phase space and they have been used in analyzing the uncertainty structures. The general form of the uncertainty relation for two real-valued functions is derived and uncertainty products are computed in states described by Wigner functions. Minimum uncertainty state property of the standard coherent states is presented and uncertainty structures in the case of phase space generalized coherent states are analyzed.

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