Abstract
On the basis of a radial generalization of the JWKB quantization rule, which incorporates higher orders of the approximation, an explicit analytical formula is derived for the energy levels of the three-dimensional sextic anharmonic oscillator. The formula exhibits the scaling property of the exact eigenvalues, and is readily generalized to any dimension. The predicted results are in good agreement with known numerical values.
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Vasan, S.S., Seetharaman, M. & Sushama, L. A JWKB analysis of the sextic anharmonic oscillator in d dimensions. Pramana - J Phys 40, 177–187 (1993). https://doi.org/10.1007/BF02900185
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DOI: https://doi.org/10.1007/BF02900185