Search Results - "Becken, W"
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Derivation of the refraction equations for higher-order aberrations of local wavefronts at oblique incidence
Published in Journal of the Optical Society of America. A, Optics, image science, and vision (01-02-2010)“…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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The analytic continuation of the Gaussian hypergeometric function 2F1( a, b; c; z) for arbitrary parameters
Published in Journal of computational and applied mathematics (30-12-2000)“…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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Higher-angular-momentum states of the helium atom in a strong magnetic field
Published in Physical review. A, Atomic, molecular, and optical physics (01-05-2001)Get full text
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Electromagnetic transitions of the helium atom in a strong magnetic field
Published in Physical review. A, Atomic, molecular, and optical physics (2002)Get full text
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Exchange and correlation energies of ground states of atoms and molecules in strong magnetic fields
Published in Physical review. A, Atomic, molecular, and optical physics (01-05-1999)Get full text
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Derivation of the propagation equations for higher order aberrations of local wavefronts
Published in Journal of the Optical Society of America. A, Optics, image science, and vision (01-12-2011)“…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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Analytic continuation of the Gaussian hypergeometric function sub(2)F sub(1)(a,b; c; z) for arbitrary parameters
Published in Journal of computational and applied mathematics (01-12-2000)“…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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Stationary components of HeI in strong magnetic fields - a tool to identify magnetic DB white dwarfs
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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Exchange and correlation energies of ground states of atoms and molecules in strong magnetic fields
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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The helium atom in a strong magnetic field
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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Evidence for helium in the magnetic white dwarf GD229
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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