Abstract
A method for estimating the adsorption complex transformations due to phonon-vibration interactions is developed. It is based on the generalized Langevin equation formalism. A two-atom molecule adsorbed on a solid surface is taken as a model. The interactions are modeled taking only into account the influence of the solid phonons on the molecule bond vibrations. Expressions for the spectral density of the auto-correlation function of the molecule bond deviation, for the root-mean-square displacement of this bond and for the energy transfer in the adsorption complex are obtained. The calculation of these characteristics for some concrete systems are shown as a demonstration.
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