Abstract
In this chapter perturbation theory is developed in a general form that is easily adaptable to the discrete as well as the continuous spectrum. At the end of Section 1 the Wigner-Brillouin and the Rayleigh-Schrödinger perturbation expansions are obtained as special cases. Section 2 applies this general procedure to the continuous spectrum and results in the Lippman-Schwinger equation.
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© 1979 Springer-Verlag New York Inc.
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Böhm, A. (1979). Perturbation Theory. In: Quantum Mechanics. Texts and Monographs in Physics. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-6126-1_8
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DOI: https://doi.org/10.1007/978-1-4612-6126-1_8
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4612-6128-5
Online ISBN: 978-1-4612-6126-1
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