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. (2020). The WKB Approximation. In: Classical and Quantum Dynamics. Springer, Cham. https://doi.org/10.1007/978-3-030-36786-2_24
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DOI: https://doi.org/10.1007/978-3-030-36786-2_24
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Online ISBN: 978-3-030-36786-2
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