A Method of Solving the Eigenproblem of the Atomic Ion Hamiltonians. I. Theory
J. Owedyk
Faculty of Technology, Kujawy and Pomorze University, Bydgoszcz, Poland
Received: September 30, 2012; In final form: March 26, 2014
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The aim of this paper is to present a procedure for determining the power series in (N-1)/Z for the approximate energy levels and eigenspaces of the nonrelativistic Hamiltonians H(N,Z) with N-electrons and nuclear charge Z. To this effect the theory of the best multiconfigurational approximations is applied.

DOI: 10.12693/APhysPolA.125.1075
PACS numbers: