What is it about?
This paper is about a basic phenomenon encountered in quantum physics: When one observes the motion of charged quantum particles moving through the interior of a detector by periodically observing their approximate positions then these positions line up along trajectories close to orbits of classical particles. This phenomenon puzzled Einstein. He argued that the propagation of quantum particles is a wave-like phenomenon very different from the propagation of classical particles. Well, it turns out that measuring the approximate particle positions at a sequence of instances converts the wave-like nature of the propagation of quantum particles into a phenomenon describable in terms of orbits of classical particles.
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Why is it important?
The paper is important, because it addresses a long-standing puzzle in quantum mechanics that has been studied by many people with only very limited success. Our paper (and a precursor paper) provides a compelling explanation of the phenomenon. It contributes towards revealing the basic contents of quantum mechanics.
Read the Original
This page is a summary of: The appearance of particle tracks in detectors. II. The semi-classical realm, Journal of Mathematical Physics, June 2022, American Institute of Physics, DOI: 10.1063/5.0088668.
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