Physics Letters A
The supersymmetry-based semiclassical method (SWKB) is known to produce exact spectra for conventional shape invariant potentials. In this paper we prove that this exactness follows from their additive shape invariance.
Gangopadhyaya, Asim; Mallow,, Jeffry V. Emeritus; Rasinariu, Constantin; and Bougie, Jonathan, "Exactness of SWKB for Shape Invariant Potentials" (2020). Physics: Faculty Publications and Other Works. 60.
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