Momentum spread: Amplitude and current contributions [Book Review]

Foundations of Physics 20 (12):1455-1473 (1990)
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Abstract

We show that the spread of momentum can be broken up into two terms, one that depends only on the change in amplitude and the other which depends only on the deviations of current from the average momentum. We present a method for measuring the relative contributions of each and interpret each contribution in terms of local quantities. A generalization for arbitrary operators is given. For the case of the Hamiltonian, the local value of energy is shown to yield the quantum potential as defined by Bohm

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References found in this work

Conditional expectation values in quantum mechanics.Leon Cohen & Chongmoon Lee - 1987 - Foundations of Physics 17 (6):561-574.

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