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Título: | Catastrophe theory and resonance line shapes in atom-surface scattering |
Autor: | Glebov, A.L.; Miret-Artés, Salvador CSIC ORCID; Toennies, J.P.; Traeger, F.; Margalef Roig, Juan | Fecha de publicación: | 1999 | Editor: | American Physical Society | Citación: | Physical Review B 60: 6529- 6534 (1999) | Resumen: | The measured high-resolution energy profile of a selective adsorption resonance in the scattering of He atoms from NaCl(001) is found to exhibit a mixed-extrema structure reminiscent of a Fano-type function. An analysis of the topological properties of the resonance line shape as a function of the surface temperature reveals a behavior which is isomorphic to the simplest elementary catastrophe, the fold catastrophe. As the crystal temperature approaches the surface Debye temperature ΘD of NaCl the resonance profile undergoes a transition in its topology according to the behavior of the fold catastrophe. The analysis is sufficiently general in order to be extended to any resonant scattering event displaying Fano-type profiles. ©1999 The American Physical Society. | URI: | http://hdl.handle.net/10261/74032 | DOI: | 10.1103/PhysRevB.60.6529 | Identificadores: | doi: 10.1103/PhysRevB.60.6529 issn: 0163-1829 |
Aparece en las colecciones: | (CFMAC-IFF) Artículos |
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