✦ LIBER ✦

Test of projected perturbation theory on a simplified model of H+2

✍ Scribed by A. Mann; R.E. Peierls

Publisher: Elsevier Science
Year: 1974
Tongue: English
Weight: 190 KB
Volume: 24
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(74)80235-6

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✦ Synopsis

The perturbation theory for projected states is shown to converge For a schematic one-dimensional model of Hi. Ordinary perturbation theory diverges for rhe odd state. It converges [or the even state, but very marginally for large inrcratomic distance. A previous paper by Peierls [l] discussed the motivation for setting up a perturbation theory for projected states and su'ggested a particular series. For molecular applications at least, this is the same as that of Mirschfelder and van der Avoird [2] _ In a later publication Atalay et al. [3] discussed convergence

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