Foundations of Physics 51 (1):1-19 (2021)

Davide Romano
University of Lisbon
I argue that a particle ontology naturally emerges from the basic dynamical equations of non-relativistic quantum mechanics, when the quantum continuity equation is realistically interpreted. This was recognized by J.J. Sakurai in his famous textbook “Modern Quantum Mechanics”, and then dismissed on the basis of the Heisenberg position–momentum uncertainty principle. In this paper, I show that the reasons of this rejection are based on a misunderstanding of the physical import of the uncertainty principle. As a consequence, a particle ontology can be derived from the quantum formalism without the need of additional ad hoc assumptions, and therefore it cannot be regarded as “extra-structure”.
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DOI 10.1007/s10701-021-00426-z
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Essential Quantum Mechanics.Gary Bowman - 2007 - Oxford University Press UK.

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