Improving the accuracy of WKB eigenvalues

DOI10.1063/1.529322zbMath0734.34052OpenAlexW2012850661MaRDI QIDQ3361175

Lee Lindblom, R. T. Robiscoe

Publication date: 1991

Published in: Journal of Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1063/1.529322

zbMATH Keywords

WKB approximationimproving the accuracy of WKB eigenvaluesvariational-principle expression

Mathematics Subject Classification ID

Singular perturbations, turning point theory, WKB methods for ordinary differential equations (34E20) Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators (34L15)

Related Items (4)

An infinite sum related to WKB eigenvalues ⋮ Improving the accuracy of WKB and langer eigenvalues by higher-order variational method ⋮ The string of variable density: further results ⋮ Accuracy of eigenvalues: A comparison of two methods

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