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Generalized perturbation theory: Quality of the first-order wave function

✍ Scribed by Nimrod Moiseyev; Jacob Katriel

Publisher
Springer
Year
1977
Tongue
English
Weight
477 KB
Volume
44
Category
Article
ISSN
1432-2234

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πŸ“œ SIMILAR VOLUMES

Equivalence of the first-order generaliz
Equivalence of the first-order generalized phase shift and first-order time-dependent perturbation treatments of rotational excitation
✍ M.D. Pattengill πŸ“‚ Article πŸ“… 1973 πŸ› Elsevier Science 🌐 English βš– 196 KB

Far atom-rigid rotor scattering in the limit of high initial rotor states, it is shown rltlr the first-order approximation of the CPS treatment is cquivalen~ to first-order fime-depcndcnt prrcurbation theory with the esrumplion of curved, planar cr;ljectories.

On the use of symmetry in first-order pe
On the use of symmetry in first-order perturbed Hartree–Fock theory
✍ Paolo Lazzeretti πŸ“‚ Article πŸ“… 1978 πŸ› John Wiley and Sons 🌐 English βš– 613 KB

## Abstract A method for the determination of the symmetry of first‐order vectors in Hartree–Fock perturbation theory is developed. This leads to the definition of symmetry‐adapted basis vectors to be employed at first order in the perturbation. It is shown that computer time can be saved, to some