Study of discontinuities in eigenvalue spectra of some model Hamiltonians

DOI10.1088/0305-4470/22/5/012zbMath0677.34024OpenAlexW1985888666MaRDI QIDQ3832867

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Publication date: 1989

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

Full work available at URL: https://doi.org/10.1088/0305-4470/22/5/012

zbMATH Keywords

eigenvalue spectramethod of Hill determinantss-wave Hamiltonians

Mathematics Subject Classification ID

Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10) Axiomatic quantum field theory; operator algebras (81T05) Ordinary differential operators (34L99)

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Logarithmic perturbation theory and some nonlinear pathological perturbations

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