Abstract
Spin 1/2 is the first truly revolutionary discovery of quantum mechanics. The properties of this physical quantity in itself, the importance of its existence, and the universality of its physical effects were totally unexpected.
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Notes
- 1.
It is one of the few times that Bohr predicted correctly the result of an experiment. He did it with a wrong argument.
- 2.
See, for example, J. D. Jackson, Classical Electrodynamics, Sect. 11.8. New York: Wiley (1975).
- 3.
The Weiss magneton was actually one fifth of the value found by Stern.
- 4.
A.W. Overhauser, A.R. Collela and S.A. Werner, Phys. Rev. Lett. 33, 1237 (1974); 34, 1472 (1975); 35, 1053 (1975).
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Basdevant, JL. (2016). Spin 1/2. In: Lectures on Quantum Mechanics. Graduate Texts in Physics. Springer, Cham. https://doi.org/10.1007/978-3-319-43479-7_12
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DOI: https://doi.org/10.1007/978-3-319-43479-7_12
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