Abstract
A procedure is presented for the calculation of atomic properties to any desired degree of accuracy using straightforward perturbation theory (PT). The ``uncoupled'' Hartree—Fock perturbation theory (UCPT) result is shown to agree with the first term of the PT expansion, while the ``coupled'' Hartree—Fock perturbation theory (CPT) result is shown to differ from the first two terms of the PT expansion only by higher-order terms. When the CPT result is improved upon using perturbation theory, all the ``coupling'' or ``self-consistency'' terms vanish identically and the result of the PT procedure is obtained. There is thus no advantage gained in performing the more difficult computations of CPT. The ``variants'' in UCPT discussed by Langhoff et al. are shown to be leading terms in the expansion of the UCPT result itself.
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Dates
Type | When |
---|---|
Created | 20 years, 7 months ago (Jan. 5, 2005, 11:35 p.m.) |
Deposited | 1 year, 6 months ago (Feb. 8, 2024, 8:55 p.m.) |
Indexed | 1 year, 6 months ago (Feb. 10, 2024, 12:30 a.m.) |
Issued | 58 years, 7 months ago (Jan. 1, 1967) |
Published | 58 years, 7 months ago (Jan. 1, 1967) |
Published Print | 58 years, 7 months ago (Jan. 1, 1967) |
@article{Musher_1967, title={Hartree—Fock Theory of Atomic Properties}, volume={46}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1840396}, DOI={10.1063/1.1840396}, number={1}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Musher, Jeremy I.}, year={1967}, month=jan, pages={369–372} }