Hydrogenic wavefunctions and perturbation theory
- 1 August 1973
- journal article
- research article
- Published by Taylor & Francis in Molecular Physics
- Vol. 26 (2) , 391-396
- https://doi.org/10.1080/00268977300101741
Abstract
The use of hydrogenic orbitals in atomic calculations is discussed, and values are given for the non-traditional F(k) and M(k) integrals needed in variational calculations. The method used for their derivation is also applied to derive two other integrals, which are used to give a generalization of previous first-order perturbation calculations of <r 1 n + r 2 n > for the 1s 2 state of two-electron ions.Keywords
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