A new potential function form incorporating extended long-range behaviour: application to ground-state Ca2

@article{Roy2007ANP,
  title={A new potential function form incorporating extended long-range behaviour: application to ground-state Ca2},
  author={R. L. Roy and Robert D E Henderson},
  journal={Molecular Physics},
  year={2007},
  volume={105},
  pages={663 - 677}
}
A new analytic potential energy function form which incorporates the two leading inverse-power terms in the long-range potential is introduced and applied to a recently reported data set for the ground state of Ca2. The new function yields an accurate representation of data which span 99.97% of the well depth and involves only a fraction as many (between 1/3 and 2/3 fewer) parameters as were needed to define published potential functions for these systems based on the same data. Fits using this… Expand
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