Abstract
The relation between wave mechanics and classical mechanics is reviewed, and it is stressed that the latter cannot be regarded as the limit of the former as ℏ →0. The motion of a classical particle (or ensemble of particles) is described by means of a Schrödinger-like equation that was found previously. A system of a quantum particle and a classical particle is investigated (1) for an interaction that leads to stationary states with discrete energies and (2) for an interaction that enables the classical particle to act as a measuring instrument for determining a physical variable of the quantum particle.
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References
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Rosen, N. Quantum particles and classical particles. Found Phys 16, 687–700 (1986). https://doi.org/10.1007/BF00735376
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DOI: https://doi.org/10.1007/BF00735376