Confinement resonances in the photoionization of endohedral atoms: myth or reality?

We demonstrate that the structure of confinement resonances in the photoionization cross section of an endohedral atom is very sensitive to the mean displacement a of the atom from the cage centre. The resonances are strongly suppressed if 2a exceeds the photoelectron half-wavelength. We explain the...

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Bibliographic Details
Published in:Journal of physics. B, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2010-10, Vol.43 (20), p.201004-201004
Main Authors: Korol, A V, Solov'yov, A V
Format: Article
Language:English
Subjects:
Atomic structure
Cage
Confinement
Cross sections (physics)
Displacement
Molecular structure
Photoelectrons
Photoionization
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Summary:We demonstrate that the structure of confinement resonances in the photoionization cross section of an endohedral atom is very sensitive to the mean displacement a of the atom from the cage centre. The resonances are strongly suppressed if 2a exceeds the photoelectron half-wavelength. We explain the results of recent experiments which contradict the earlier theoretical predictions on the existence of confinement resonances in particular endohedral systems.
ISSN:0953-4075
1361-6455
DOI:10.1088/0953-4075/43/20/201004