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Perturbation theory with Hartree-Fock states

✍ Scribed by H.P. Kelly

Publisher
Elsevier Science
Year
1967
Tongue
English
Weight
166 KB
Volume
25
Category
Article
ISSN
0375-9601

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📜 SIMILAR VOLUMES

Bounds for Hartree-Fock perturbation the
Bounds for Hartree-Fock perturbation theory
✍ B. L. Burrows 📂 Article 📅 1973 🏛 John Wiley and Sons 🌐 English ⚖ 345 KB

## Abstract Upper and lower bounds for the second‐order energy in both coupled and uncoupled Hartree‐Fock perturbation theories are derived. Using these bounds inequalities are derived for the error in the geometric approximation.

Improved uncoupled Hartree–Fock (IUCHF)
Improved uncoupled Hartree–Fock (IUCHF) perturbation methods and bounds for the second-order energy in coupled Hartree–Fock perturbation theory
✍ H. Vogler 📂 Article 📅 1979 🏛 John Wiley and Sons 🌐 English ⚖ 263 KB

## Abstract Different kinds of improved uncoupled Hartree–Fock methods are proposed for the calculation of second‐order perturbation energies. Using these methods inequalities are derived for the error of the uncoupled procedure with geometric approximation.