Coherence of Auger and inter-Coulombic decay processes in the photoionization of Ar@C60 versus Kr@C60

For the asymmetric spherical dimer of an endohedrally confined atom and a host fullerene, an innershell vacancy of either system can decay through the continuum of an outer electron hybridized between the systems. Such decays, viewed as coherent superpositions of the single-center Auger and two-cent...

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Bibliographic Details
Published in:The European physical journal. D, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2016, Vol.70 (4), p.1-7, Article 96
Main Authors: Magrakvelidze, Maia, De, Ruma, Javani, Mohammad H., Madjet, Mohamed E., Manson, Steven T., Chakraborty, Himadri S.
Format: Article
Language:English
Subjects:
Applications of Nonlinear Dynamics and Chaos Theory
Atomic
Augers
Buckminsterfullerene
Decay
Fullerenes
Molecular
Optical and Plasma Physics
Photoionization
Physical Chemistry
Physics
Physics and Astronomy
Quantum Information Technology
Quantum Physics
Regular Article
Spectroscopy/Spectrometry
Spintronics
Topical Issue: Atomic Cluster Collisions (7th International Symposium)
Vacancies
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Summary:For the asymmetric spherical dimer of an endohedrally confined atom and a host fullerene, an innershell vacancy of either system can decay through the continuum of an outer electron hybridized between the systems. Such decays, viewed as coherent superpositions of the single-center Auger and two-center inter-Coulombic (ICD) amplitudes, are found to govern leading decay mechanisms in noble-gas endofullerenes, and are likely omnipresent in this class of nanomolecules. A comparison between resulting autoionizing resonances calculated in the photoionization of Ar@C 60 and Kr@C 60 exhibits details of the underlying processes. Graphical abstract
ISSN:1434-6060
1434-6079
DOI:10.1140/epjd/e2016-60703-y