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Hyperspherical Calculations on Electron Affinity and Geometry for Li- and Na-

  • 1State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071 2Department of Physics, Henan Normal University, Xinxiang 453007 3Graduate School of the Chinese Academy of Sciences, Beijing 100049

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  • Received Date: June 12, 2007
  • Published Date: November 30, 2007
    Abstract
  • Using a model potential to describe the interaction between the core and the valence electron, we perform hyperspherical calculations for electron affinity and geometry of the weakly bound Li- and Na- systems. In our calculation, channel functions are expanded in terms of B-splines. Using the special properties of B-splines, we make the knot distributions more precisely, characterizing the behaviour of channel functions. This improves the convergence greatly. Our results are in good agreement with the other theoretical and experimental values.
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