How good is the supersymmetry-inspired higher-order WKB approximation?

Bound-state energies obtained from the higher-order supersymmetric WKB (SWKB) approximation have been compared with those computed from the usual higher-order WKB approach. It is shown that the SWKB quantization condition yields improved results in the leading order (O( h ̵ ; 0)) as well as in the n...

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Bibliographic Details
Published in:Physics letters. A 1987-08, Vol.123 (8), p.375-378
Main Authors: Dutt, Ranabir, Khare, Avinash, Varshni, Y.P.
Format: Article
Language:English
Subjects:
Classical and quantum physics: mechanics and fields
Exact sciences and technology
Physics
Theory of quantized fields
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Summary:Bound-state energies obtained from the higher-order supersymmetric WKB (SWKB) approximation have been compared with those computed from the usual higher-order WKB approach. It is shown that the SWKB quantization condition yields improved results in the leading order (O( h ̵ ; 0)) as well as in the next leading order (O( h ̵ ; 2)) of approximations.
ISSN:0375-9601
1873-2429
DOI:10.1016/0375-9601(87)90034-X