Asymptotic interaction between He,H, H2 and a graphite surface |
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| Authors: | G. Vidali Milton W. Cole C. Schwartz |
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| Affiliation: | Department of Physics, The Pennsylvania State University, University Park, Pennsylvania 16802,USA |
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| Abstract: | An atom or molecule far from a surface experiences an interaction V ~ ?C3z?3, where z is the distance to the surface. We compute the coefficient C3 for He, H, and H2 interacting with a graphite surface. The calculation utilizes measured frequency dependent values of the polarizabilities and dielectric function. Comparison is made with C3 values deduced from surface scattering and adsorption experiments. |
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