Abstract
As an illustration of the characteristic features by which quantum mechanics differs from the classical theories, this chapter discusses the change of the state by a measurement. In a Gedanken experiment with the Stern-Gerlach apparatus it is shown that a polarized beam (a pure state) cannot be split by the magnetic field and that the splitting of such a beam is a consequence of the measurement.
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© 1979 Springer-Verlag New York Inc.
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Böhm, A. (1979). Change of the State by the Dynamical Law and by the Measuring Process—The Stern-Gerlach Experiment. In: Quantum Mechanics. Texts and Monographs in Physics. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-6126-1_13
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DOI: https://doi.org/10.1007/978-1-4612-6126-1_13
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4612-6128-5
Online ISBN: 978-1-4612-6126-1
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