The continuity equation and the Hamiltonian formalism in quantum mechanics

Foundations of Physics 17 (4):329-343 (1987)

The relationship between the continuity equation and the HamiltonianH of a quantum system is investigated from a nonstandard point of view. In contrast to the usual approaches, the expression of the current densityJ ψ is givenab initio by means of a transport-velocity operatorV T, whose existence follows from a “weak” formulation of the correspondence principle. Once given a Hilbert-space metricM, it is shown that the equation of motion and the continuity equation actually represent a system in theunknown operatorsH andV T, due to the arbitrariness on the initial condition of the quantum state. The general solution is given in some cases of special interest and a straightforward application to relativistic quantum mechanics is performed
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DOI 10.1007/BF00733372
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Quantization of Space-Time and the Corresponding Quantum Mechanics.M. Banai - 1985 - Foundations of Physics 15 (12):1203-1245.

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