Search Results - "Becken, W"

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  1. 1

    Derivation of the refraction equations for higher-order aberrations of local wavefronts at oblique incidence by Esser, G, Becken, W, Müller, W, Baumbach, P, Arasa, J, Uttenweiler, D

    “…From the literature the calculation of power and astigmatism of a local wavefront after refraction at a given surface is known from the vergence and Coddington…”
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    Journal Article
  2. 2

    The analytic continuation of the Gaussian hypergeometric function 2F1( a, b; c; z) for arbitrary parameters by Becken, W., Schmelcher, P.

    “…Our objective is to provide a complete table of analytic condinuation formulas for the Gaussian hypergeometric function 2 F 1( a, b; c; z) which allow its fast…”
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    Derivation of the propagation equations for higher order aberrations of local wavefronts by Esser, Gregor, Becken, Wolfgang, Müller, Werner, Baumbach, Peter, Arasa, Josep, Uttenweiler, Dietmar

    “…From the literature the analytical calculation of local power and astigmatism of a wavefront after refraction and propagation is well known; it is, e.g.,…”
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    Journal Article
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    Analytic continuation of the Gaussian hypergeometric function sub(2)F sub(1)(a,b; c; z) for arbitrary parameters by Becken, W, Schmelcher, P

    “…Our objective is to provide a complete table of analytic condinuation formulas for the Gaussian hypergeometric function sub(2)F sub(1)(a,b; c; z) which allow…”
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    Journal Article
  9. 9

    Stationary components of HeI in strong magnetic fields - a tool to identify magnetic DB white dwarfs by Jordan, S, Schmelcher, P, Becken, W

    Published 29-06-2001
    “…In only three of the 61 known magnetic white dwarfs helium has been identified unambiguously while about 20% of all non-magnetic stars of this class are known…”
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  10. 10

    Exchange and correlation energies of ground states of atoms and molecules in strong magnetic fields by Schmelcher, P, Ivanov, M. V, Becken, W

    Published 22-02-1999
    “…Using a Hartree-Fock mesh method and a configuration interaction approach based on a generalized Gaussian basis set we investigate the behaviour of the…”
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  11. 11

    The helium atom in a strong magnetic field by Becken, W, Schmelcher, P, Diakonos, F. K

    Published 22-02-1999
    “…We investigate the electronic structure of the helium atom in a magnetic field b etween B=0 and B=100a.u. The atom is treated as a nonrelativistic system with…”
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  12. 12

    Evidence for helium in the magnetic white dwarf GD229 by Jordan, S, Schmelcher, P, Becken, W, Schweizer, W

    Published 25-06-1998
    “…The nature of the strong absorption features in the white dwarf GD229 has been a real mystery ever since it was found to be magnetic in 1974. All attempts to…”
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