Abstract

The dependences of the energy and width of H − ion resonance states on the distance from an Al surface are calculated with the method of wave-packet evolution. Calculations are made for two representations of the potential which describe the interaction of the electron and the hydrogen atom. It is shown that the difference between the results of previous calculations by P. Nordlander [Phys. Rev. A 46 (1992) 2584] and by D. Teillet-Billy and J.-P. Gauyacq [Surf. Sci. 269/270 (1992) 425] is due to a difference in treatment of the e-H interaction.

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