A numerical basis for the accurate representation of the continuum spectrum of atomic Hamiltonians

DOI10.1007/S10910-004-1462-8zbMath1073.65072OpenAlexW1993872894MaRDI QIDQ2485879

L. A. A. Nikolopoulos

Publication date: 5 August 2005

Published in: Journal of Mathematical Chemistry (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10910-004-1462-8

zbMATH Keywords

spectrumSchrödinger equation\(B\)-splinesWKB methodphotoionizationcomplex atomic systemshydrogenic Hamiltonian

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Numerical approximation of eigenvalues and of other parts of the spectrum of ordinary differential operators (34L16) Numerical solution of eigenvalue problems involving ordinary differential equations (65L15) Singular perturbation problems for ordinary differential equations in the complex domain (complex WKB, turning points, steepest descent) (34M60)

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