Abstract
It is relatively simple to derive formulas of classical mechanics from those of quantum mechanics. One translates statements about probabilities into statements about measurable quantities, and one finds ways to eliminate ħ, either by considering situations in which phase changes much more rapidly than other parameters (Sect. 1.3) or by taking averages in a suitable way (Sect. 2.1).
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© 1990 Springer-Verlag Berlin Heidelberg
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Park, D. (1990). Action and Phase. In: Classical Dynamics and Its Quantum Analogues. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-74922-3_7
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DOI: https://doi.org/10.1007/978-3-642-74922-3_7
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-74924-7
Online ISBN: 978-3-642-74922-3
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