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  • Digitale Medien  (2)
  • 82.65.My  (1)
  • PACS. 31. Electronic structure of atoms, molecules and their ions: theory  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Expansions for the eigenvalues of three-term recurrence relations. Two applications in molecular physics (1998)
    Springer
    The European physical journal 4 (1998), S. 63-72 
    Details
    ISSN: 1434-6079
    Schlagwort(e): PACS. 31. Electronic structure of atoms, molecules and their ions: theory
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract: Approximate expressions for the eigenvalue of a three-term recurrence relation with a general form describing various physical problems are proposed. Their range of availability is examined by comparison with exact values for two different problems: the bound and continuum states of monoelectronic diatomic ions and the Schrödinger equation describing molecular alignment in intense laser fields. For each case, very good predictions have been obtained, which may be useful as initial values in iterative procedures for deriving exact solutions.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s100530050185
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  • 2
    Digitale Medien
    Digitale Medien
    Variational calculations in a halfspace for the interaction of a ground and excited state helium atom with its mirror image (1994)
    Springer
    The European physical journal 32 (1994), S. 219-223 
    Details
    ISSN: 1434-6079
    Schlagwort(e): 82.65.My
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Correlated trial wave-functions (depending explicitly upon the inter-electronic separation in the helium atom) subjected to boundary conditions excluding the helium electrons from the solid surface are used in half space, to evaluate in a variational approach the holding potential between an helium atom in its ground and metastable3S state with a perfectly imaging metallic conductor limited by a plane surface. Inter-electronic correlation effects are pointed out, and are seen to be non negligible. The holding potential for the helium3S displays a well of nearly an order of magnitude deeper than for the ground state. These results could be useful to determine the distance of closest approach of thermal atoms, and an approximate wave function for an helium atom interacting with a surface.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01437151
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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