Energies of screened Coulomb potentials

1 November 1979

journal article
Published by American Association of Physics Teachers (AAPT) in American Journal of Physics

Vol. 47 (11) , 961-962
https://doi.org/10.1119/1.11596

Abstract

By applying the Hellman‐Feynman theorem alone to screened Coulomb potentials, it is shown that the first four coefficients in the energy series as powers of λ/Z can be obtained from quantities of the unperturbed Coulomb system.

Keywords

COULOMB FIELD
ENERGY
HAMILTONIANS
VIRIAL THEOREM
RAYLEIGH=(HYPHEN)=SCHROEDINGER FORMULA
PERTURBATION THEORY
HELLMANN=(HYPHEN)=FEYNMAN THEOREM
SCREENED COULOMB POTENTIALS
ENERGY SERIES

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