Rescaling the perturbation series

DOI10.1098/rspa.1979.0121zbMath0442.34026OpenAlexW2078144433MaRDI QIDQ3884443

Kalayan Banerjee

Publication date: 1979

Published in: Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1098/rspa.1979.0121

zbMATH Keywords

Schrödinger eigenvalue problemsanalytic approximations to the eigenvaluesdivergent-asymptotic perturbation seriesrescaled perturbation series

Mathematics Subject Classification ID

Nonlinear dynamics in mechanics (70K99) Singular perturbations, turning point theory, WKB methods for ordinary differential equations (34E20) Perturbations, asymptotics of solutions to ordinary differential equations (34E10) Asymptotic expansions of solutions to ordinary differential equations (34E05) Ordinary differential operators (34L99)

Related Items

Continued fractions and Rayleigh–Schrödinger perturbation theory at large order, Pointwise reconstruction of wave functions from their moments through weighted polynomial expansions: an alternative global-local quantization procedure