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Open Access item Generalized Chudley-Elliott vibration-jump model in activated atom surface diffusion

Authors:Martínez Casado, R.
Vega, J. L.
Sanz, Ángel S.
Miret-Artés, Salvador
Issue Date:May-2007
Publisher:American Institute of Physics
Citation:Journal of Chemical Physics 126(19): 194711 (2007)
Abstract:Here the authors provide a generalized Chudley-Elliott expression for the activated atom surface diffusion which takes into account the coupling between both low-frequency vibrational motion (namely, the frustrated translational modes) and diffusion. This expression is derived within the Gaussian approximation framework for the intermediate scattering function at low coverage. Moreover, inelastic contributions (arising from creation and annihilation processes) to the full width at half maximum of the quasielastic peak are also obtained.
Description:5 pages, 2 figures.
Publisher version (URL):http://dx.doi.org/10.1063/1.2735586
Appears in Collections:(CFMAC-IFF) Artículos

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