1931
DOI: 10.1007/bf01344443
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�ber die Elektronenterme des Wasserstoffmolek�ls

Abstract: Es wird gezeigt, wie man nach einer verh/iltnism/iBig einfachen Methode die Eigenwerte und Eigenfunktionen des Wasserstoffmolekiilions erhalten kann. Aus diesen LSsungen des Zweizentrenproblems setz$ man in erster N~iherung die Eigenfunktionen des Molekfils zusammen und erh~lt durch eine StSrungsrechnung die Energie des Molekfils. Rechnet man beim ~u~ersten Elektron mit ,,halben" Kernladungen, so wird in den angeregten Zusti~nden die StSrung sehr klein. Man braucht daher nicht die liistigen StSrungsrechnungen … Show more

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Cited by 263 publications
(113 citation statements)
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“…In generalization of the functions first given by Hylleraas 22 we take as spinor basis for the wave function ?/>(£, r}) in Eq. The positive scaling parameter a in Eq.…”
Section: The Basis Functionsmentioning
confidence: 99%
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“…In generalization of the functions first given by Hylleraas 22 we take as spinor basis for the wave function ?/>(£, r}) in Eq. The positive scaling parameter a in Eq.…”
Section: The Basis Functionsmentioning
confidence: 99%
“…For the nonrelativistic equation of the H2 + -molecule Heitler and London 20 gave the first approximate solution. Exact methods were derived soon after by Teller 21 , Hylleraas 22 and Jaffe 23 , by expanding the wave functions in terms of a suitable set of basis functions. The equivalence of their methods was shown by Helfrich and Hartmann 24 who also published extensive calculations on the non-relativistic one-electron problem 2a .…”
Section: Introductionmentioning
confidence: 99%
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“…Counter-examples are provided by Hylleraas [20] and Jaffé's [22] solutions which admit none of these limits, as we can see by using Leaver's form for such solutions [25]. Now we introduce the Whittaker-Hill and the Mathieu equations which are particular cases of both the CHE and the DCHE [10].…”
Section: Introductionmentioning
confidence: 99%
“…The energy levels had, thus, to be computed by perturbation theory, so adding a further approximation in the calculation, and the series obtained for E(R) did not converge for large values of R. Indeed, as noted later by E. A. Hylleraas (Hylleraas, 1931), Fues' ansatz was in general not very useful due to the fact that the energy potential goes as 1/R at the infinity, so that the number of vibrational states becomes infinite, and the ansatz is only useful for polar molecules (Hylleraas, 1931).…”
Section: Born-oppenheimer Approximation For Diatomic Moleculesmentioning
confidence: 98%