Link between the strong-coupling and the weak-coupling asymptotic perturbation expansions for the quartic anharmonic oscillator

DOI10.1088/0305-4470/31/33/009zbMath0937.70018OpenAlexW2077754549MaRDI QIDQ4259233

I. A. Ivanov

Publication date: 13 June 2000

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

Full work available at URL: https://doi.org/10.1088/0305-4470/31/33/009

zbMATH Keywords

quartic anharmonic oscillatorground-state eigenvalueeigenvalues of Hamiltonianradius of convergence of strong-coupling expansionweak-coupling asymptotic perturbation

Mathematics Subject Classification ID

General perturbation schemes for nonlinear problems in mechanics (70K60) Perturbation theories for operators and differential equations in quantum theory (81Q15)

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