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Damping functions for the pairwise sum model of the atom- surface potential

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Patil,  S. H.
Emeritus Group Molecular Interactions, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Tang,  K. T.
Emeritus Group Molecular Interactions, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Toennies,  J. P.
Emeritus Group Molecular Interactions, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Citation

Patil, S. H., Tang, K. T., & Toennies, J. P. (2002). Damping functions for the pairwise sum model of the atom- surface potential. Journal of Chemical Physics, 116(18), 8118-8123.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0029-178B-1
Abstract
A pairwise sum model is used to derive the laterally averaged atom-surface potential using the Tang-Toennies potential for interactions between a free atom and the atoms in a solid. The atom-surface van der Waals attraction is shown to include all multipole terms with the proper damping. The analytical expressions for the damping functions have the same damping parameter as for the free atom-atom interactions. (C) 2002 American Institute of Physics.