D B Fairlie and C A Manogue 1991 J. Phys. A: Math. Gen. 24 3807 doi:10.1088/0305-4470/24/16/018
D B Fairlie and C A Manogue
Show affiliationsThe formalism of the Wigner distribution function is reviewed. In addition to the Liouville equation, which expresses the time rate of change of this function in terms of its Moyal bracket with the Hamiltonian, and its expression as a projection operator, a third equation is proposed with the aid of an auxiliary variable s, to which a formal solution is constructed in terms of known quantum-mechanical eigenfunctions and eigenvalues. In addition, an ab initio solution to the three equations in terms of an error function is found for the free particle in one dimension. Two views are advanced: the orthodox, that this new equation is merely a consistency requirement, and the speculative, that the measurement process has something to do with the choice of s.
03.65.Vf Phases: geometric; dynamic or topological
02.50.Ng Distribution theory and Monte Carlo studies
81S30 Phase space methods including Wigner distributions, etc.
Issue 16 (21 August 1991)
D B Fairlie and C A Manogue 1991 J. Phys. A: Math. Gen. 24 3807
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