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Quantum manifestations of chaos in elastic atom-surface scattering

AuthorsGuantes, R.; Miret-Artés, Salvador ; Borondo, Florentino
Issue Date2001
PublisherAmerican Physical Society
CitationPhysical Review B 63: 2354011- 2354015 (2001)
AbstractQuantum manifestations of chaos in the diffraction of atoms from corrugated surfaces, for a range of initial conditions easily attainable in scattering experiments, are presented and discussed. The appearance of strong oscillations in diffraction patterns is shown to be directly related to the presence of classical chaos and threshold effects. We also show that the autocorrelation function for some of the collision S-matrix elements over incident angles is sensitive to the character, hyperbolic or nonhyperbolic, of the underlying chaotic dynamics, in agreement with general semiclassical arguments for unbound chaotic systems. © 2001 The American Physical Society
Identifiersdoi: 10.1103/PhysRevB.63.235401
issn: 0163-1829
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