Logarithmic perturbation theory and some nonlinear pathological perturbations

DOI10.1016/J.PHYSLETA.2005.05.042zbMath1222.81176OpenAlexW1964864914MaRDI QIDQ927050

S. K. Bandyopadhyay, Kamal Bhattacharyya

Publication date: 21 May 2008

Published in: Physics Letters. A (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.physleta.2005.05.042

zbMATH Keywords

perturbation theorynonlinear perturbationsfinite Taylor serieslogarithmic perturbation theory

Mathematics Subject Classification ID

Singular perturbations in context of PDEs (35B25) Perturbation theories for operators and differential equations in quantum theory (81Q15)

Related Items (1)

Concurrent multiple-state analytic perturbation theory via supersymmetry

Cites Work

• Numerical instability in Rayleigh-Schrödinger quantum mechanics
• Study of discontinuities in eigenvalue spectra of some model Hamiltonians
• Quantum averaging II: Kolmogorov's algorithm

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