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.
Publication Year: 1979
Publication Date: 1979-11-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 2
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