Theory of Measurement of Quantum Mechanics: Mechanism of Reduction of Wave Packet. I
- 1 May 1980
- journal article
- Published by Oxford University Press (OUP) in Progress of Theoretical Physics
- Vol. 63 (5), 1457-1473
- https://doi.org/10.1143/ptp.63.1457
Abstract
New theory of measurement is presented to show that quantum mechanics can describe the whole processes of quantum-mechanical measurement leading to the so-called reduction of wave packet if applied properly to the total system of object and apparatus. We introduce a simple model, where momenta of particles are measured using a perfect rigid mirror, to yield the reduction of wave packet in a clear-cut way. Microscopic uncertainties of macroscopic quantities and the dynamical scattering theory play the essential roles. Before entering into the main part, we briefly summarize the controversial points in the theory of measurement.Keywords
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