Abstract
It is shown that a straightforward measure of the temperature dependence of energyresolved atom–surface scattering spectra measured under classical conditions can be relatedto the strength of the surface corrugation. Using classical perturbation theory combinedwith a Langevin bath formalism for describing energy transfer, explicit expressions for thescattering probabilities are obtained for both two-dimensional, in-plane scattering and fullthree-dimensional scattering. For strong surface corrugations results expressed as analyticclosed-form equations for the scattering probability are derived which demonstrate that thetemperature dependence of the scattering probability weakens with increasingcorrugation strength. The relationship to the inelastic rainbow is briefly discussed.
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