Abstract
Wentzel–Kramers–Brillouin (WKB) or quasi-classical approximation is one of the most important approximation methods in quantum mechanics and mathematical physics. This is explained by several factors.
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Karnakov, B.M., Krainov, V.P. (2013). WKB Approximation in Quantum Mechanics. In: WKB Approximation in Atomic Physics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31558-9_1
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DOI: https://doi.org/10.1007/978-3-642-31558-9_1
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