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Dynamics on Surfaces pp 23–36Cite as

The Soft Potential in Resonant Atom-Surface Scattering

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Part of the book series: The Jerusalem Symposia on Quantum Chemistry and Biochemistry ((JSQC,volume 17))

Abstract

We consider several aspects of. the theory of resonant scattering in low energy atom-surface systems using soft potentials. A method is presented to account for thermal effects in selective adsorption resonances by taking the thermal average of the t-matrix in a decoupling approximation, and comparison is made with experiment. Further calculations indicate that the specular intensity under resonant conditions has a temperature dependent structure which is quite different from that away from resonance. A consideration of the resonant diffraction of 63 meV He atoms by graphite shows that the effects of a soft potential can be as important as thermal attenuation in the manner in which it is commonly introduced into the corrugated hard wall model. A treatment of threshold resonances shows that an emerging beam causes a resonance in all diffracted beams, but for potentials with a soft repulsive part these are too weak to be readily seen in an experiment.

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Author information

Authors and Affiliations

  1. Department of Physics and Astronomy, Clemson University Clemson, SC, 29631, USA

    J. R. Manson & J. G. Mantovani

  2. Service de Physique des Atomes et des Surfaces, Centre d’Etudes Nucléaires de Saclay, 91191, Gif-sur-Yvette CEDEX, USA

    G. Armand

Authors
  1. J. R. Manson
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  2. J. G. Mantovani
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  3. G. Armand
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Editor information

Editors and Affiliations

  1. Fondation Edmond de Rothschild, Institut de Biologie Physico-Chimique, Paris, France

    Bernard Pullman

  2. Department of Chemistry, University of Tel Aviv, Israel

    Joshua Jortner  & Abraham Nitzan  & 

  3. Department of Physical Chemistry, The Hebrew University, Jerusalem, Israel

    Benjamin Gerber

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© 1984 D. Reidel Publishing Company

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Manson, J.R., Mantovani, J.G., Armand, G. (1984). The Soft Potential in Resonant Atom-Surface Scattering. In: Pullman, B., Jortner, J., Nitzan, A., Gerber, B. (eds) Dynamics on Surfaces. The Jerusalem Symposia on Quantum Chemistry and Biochemistry, vol 17. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-5237-9_3

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  • DOI: https://doi.org/10.1007/978-94-009-5237-9_3

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-8815-2

  • Online ISBN: 978-94-009-5237-9

  • eBook Packages: Springer Book Archive

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