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Study of the diffraction mediated selective adsorption through the close-coupling and diabatic distorted wave formalisms. Application to the 4He-Cu(110) system

AuthorsHernández, Marta I. ; Roncero, Octavio ; Miret-Artés, Salvador ; Villarreal, Pablo ; Delgado Barrio, Gerardo
Issue Date1989
PublisherAmerican Institute of Physics
CitationJournal of Chemical Physics 90: 3823- 3830 (1989)
AbstractTwo different formalisms, one based on close-coupling equations and other on the distorted wave approximation, have been applied to the low energy elastic scattering of 4He atoms by a corrugated copper surface, Cu(110). Diffraction intensities and energetic positions and half-widths (selective adsorption resonances) have been obtained and compared with experimental and previous theoretical results, respectively. For this trapping process, and within the close-coupling framework, a plot of the diffraction channels (open and closed) has turned out to be very useful and a good guide in order to know the disposition of them at each interesting angular region. Also, a very accurate method, already employed successfully to treat resonances in the vibrational and/or rotational predissociation of van der Waals molecules, has been found to be also adequate here. © 1989 American Institute of Physics.
Identifiersdoi: 10.1063/1.455839
issn: 0021-9606
Appears in Collections:(CFMAC-IEM) Artículos
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