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Communication: Semiclassical perturbation theory for the quantum diffractive scattering of atoms on thermal surfaces

AuthorsDaon, Shauli; Pollak, Eli; Miret-Artés, Salvador
Issue Date2012
PublisherAmerican Institute of Physics
CitationJournal of Chemical Physics 137: 201103 (2012)
AbstractInspired by the semiclassical perturbation theory of Hubbard and Miller [J. Chem. Phys. 80, 5827 (1984)10.1063/1.446609], we derive explicit expressions for the angular distribution of particles scattered from thermal surfaces. At very low surface temperature, the observed experimental background scattering is proportional to the spectral density of the phonons. The angular distribution is a sum of diffraction peaks and a broad background reflecting the spectral density. The theory is applied to measured angular distributions of Ne, Ar, and Kr scattered from a Cu(111) surface. © 2012 American Institute of Physics.
Identifiersdoi: 10.1063/1.4768227
issn: 0021-9606
Appears in Collections:(CFMAC-IFF) Artículos
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