Abstract
We consider atom-phonon scattering in a one-dimensional model with coupling linear in phonon displacements and calculate the probability p(E) of the atom-losing energy E as a Fourier transform of a time function π(α). Employing a path integral formulation, and taking the limit of zero de Broglie wavelength of the atom, non-perturbational corrections to the Trajectory Appromixation are obtained as a series in one upon atom mass m. The 1/m terms give rise to a-dependent trajectories, which are shown to be consistent with the TA energy transfer, and lead to energy gain for a slow-particle on a hot surface.
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© 1985 Springer-Verlag Berlin Heidelberg
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Newns, D.M. (1985). Improvements to the Trajectory Approximation in Atom-Surface Scattering. In: Yoshimori, A., Tsukada, M. (eds) Dynamical Processes and Ordering on Solid Surfaces. Springer Series in Solid-State Sciences, vol 59. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82423-4_4
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DOI: https://doi.org/10.1007/978-3-642-82423-4_4
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-82425-8
Online ISBN: 978-3-642-82423-4
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