Abstract
This chapter is devoted to the important quantum-mechanical observable angular momentum. We already know this quantity from Classical Mechanics, and we will therefore introduce the corresponding quantum-mechanical operator, at first (Sect. 5.1), by the use of the principle of correspondence. It will turn out, though, to be necessary to refer to the so defined observable in a somewhat more special manner as orbital angular momentum, since we will get to know other realizations of the angular momentum.
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Nolting, W. (2017). Quantum Theory of the Angular Momentum. In: Theoretical Physics 7. Springer, Cham. https://doi.org/10.1007/978-3-319-63324-4_1
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DOI: https://doi.org/10.1007/978-3-319-63324-4_1
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Publisher Name: Springer, Cham
Print ISBN: 978-3-319-63323-7
Online ISBN: 978-3-319-63324-4
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