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Determination of Interatomic Potentials of He_{2}, Ne_{2}, Ar_{2}, and H_{2} by Wave Function Imaging.

  • Author(s): Zeller, S;
  • Kunitski, M;
  • Voigtsberger, J;
  • Waitz, M;
  • Trinter, F;
  • Eckart, S;
  • Kalinin, A;
  • Czasch, A;
  • Schmidt, L Ph H;
  • Weber, T;
  • Schöffler, M;
  • Jahnke, T;
  • Dörner, R
  • et al.
Abstract

We report on a direct method to measure the interatomic potential energy curve of diatomic systems. A cold target recoil ion momentum spectroscopy reaction microscope was used to measure the squares of the vibrational wave functions of H_{2}, He_{2}, Ne_{2}, and Ar_{2}. The Schrödinger equation relates the curvature of the wave function to the potential V(R) and therefore offers a simple but elegant way to extract the shape of the potential.

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