Correlation in the Ground State of He Atom
1981 ◽
Vol 36
(3)
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pp. 272-275
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Keyword(s):
He Atom
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It is possible to reproduce the entire results of Pekeris et al. of different atomic parameters for the He atom by introducing (ll) type correlation in a self consistent variation perturbation procedure using the Hartree-Fock (HF) wavefunction as the zero-order wavefunction