Accurate Lower Bounds for Some Excited P° States of the He Atom

DOI10.1002/ZAMM.19970771218zbMath0885.65114OpenAlexW2053252552MaRDI QIDQ4369758

Heinz Kleindienst, R. W. Hilger, H.-P. Merckens

Publication date: 2 February 1998

Published in: ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/zamm.19970771218

zbMATH Keywords

eigenvaluesHamiltonianHe atomenergy valuesRayleigh-Ritz principleaccurate lower boundsexcited \(P^ 0\) statesquantummechanical systems

Mathematics Subject Classification ID

Estimates of eigenvalues in context of PDEs (35P15) PDEs in connection with quantum mechanics (35Q40) Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10) Numerical methods for eigenvalue problems for boundary value problems involving PDEs (65N25)

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