Abstract
In this chapter we shall develop an important semiclassical method which has come back into favor again, particularly in the last few years, since it permits a continuation into field theory. Here, too, one is interested in nonperturbative methods.
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Dittrich, W., Reuter, M. (2016). The WKB Approximation. In: Classical and Quantum Dynamics. Graduate Texts in Physics. Springer, Cham. https://doi.org/10.1007/978-3-319-21677-5_24
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DOI: https://doi.org/10.1007/978-3-319-21677-5_24
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-21676-8
Online ISBN: 978-3-319-21677-5
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