Fixed-point perturbation theory and the potential r2+ λr2/(1+gr2). II. Construction of the solutions

DOI10.1088/0305-4470/17/18/015zbMATH Open0563.41028OpenAlexW2093015534MaRDI QIDQ3676612

Miloslav Znojil

Publication date: 1984

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

Full work available at URL: https://doi.org/10.1088/0305-4470/17/18/015

zbMATH Keywords

difference equationscomputationsapproximate differential equationFP perturbation theorywavefunction projections

Mathematics Subject Classification ID

Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics (81Q05) Asymptotic approximations, asymptotic expansions (steepest descent, etc.) (41A60) Green's functions for ordinary differential equations (34B27) Perturbation theories for operators and differential equations in quantum theory (81Q15) Continued fractions; complex-analytic aspects (30B70) Series expansions (e.g., Taylor, Lidstone series, but not Fourier series) (41A58) Convergence and divergence of continued fractions (40A15)

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