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

Dutt, Ranabir ; Khare, Avinash ; Varshni, Y. P. (1987) How good is the supersymmetry-inspired higher-order WKB approximation? Physics Letters A, 123 (8). pp. 375-378. ISSN 0375-9601

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/037596...

Related URL: http://dx.doi.org/10.1016/0375-9601(87)90034-X

Abstract

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(h0)) as well as in the next leading order (O(h2)) of approximations.

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