WKB calculation of the excited (1s)( n s) state energies of the He isoelectronic sequence
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Publication:4241284
DOI10.1088/0143-0807/20/2/008zbMath0943.81011OpenAlexW2020876168MaRDI QIDQ4241284
Publication date: 10 September 2000
Published in: European Journal of Physics (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1088/0143-0807/20/2/008
Perturbation theories for operators and differential equations in quantum theory (81Q15) Semiclassical techniques, including WKB and Maslov methods applied to problems in quantum theory (81Q20)
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