Photoionization of Xe inside C60: Atom-fullerene hybridization, giant cross-section enhancement, and correlation confinement resonances

Mohamed Madjet, Thomas Renger, Dale E. Hopper, Matthew A. McCune, Himadri S. Chakraborty, Jan M. Rost, Steven T. Manson

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

A theoretical study of the subshell photoionization of the Xe atom endohedrally confined in C60 is presented. Powerful hybridization of the Xe 5s state with the bottom edge of C60 π band is found that induces strong structures in the 5s ionization, causing the cross section to differ significantly from earlier results that omit this hybridization. The hybridization also affects the angular distribution asymmetry parameter of Xe 5p ionization near the Cooper minimum. The 5p cross section, on the other hand, is greatly enhanced by borrowing considerable oscillator strength from the C60 giant plasmon resonance via the atom-fullerene dynamical interchannel coupling. Beyond the C60 plasmon energy range the atomic subshell cross sections display confinement-induced oscillations in which, over the large 4d shape resonance region, the dominant 4d oscillations induce their "clones" in all degenerate weaker channels known as correlation confinement resonances.

Original languageEnglish
Article number013202
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume81
Issue number1
DOIs
Publication statusPublished - 19 Jan 2010
Externally publishedYes

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fullerenes
photoionization
augmentation
cross sections
atoms
ionization
oscillations
oscillator strengths
angular distribution
asymmetry
energy

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Photoionization of Xe inside C60 : Atom-fullerene hybridization, giant cross-section enhancement, and correlation confinement resonances. / Madjet, Mohamed; Renger, Thomas; Hopper, Dale E.; McCune, Matthew A.; Chakraborty, Himadri S.; Rost, Jan M.; Manson, Steven T.

In: Physical Review A - Atomic, Molecular, and Optical Physics, Vol. 81, No. 1, 013202, 19.01.2010.

Research output: Contribution to journalArticle

Madjet, Mohamed ; Renger, Thomas ; Hopper, Dale E. ; McCune, Matthew A. ; Chakraborty, Himadri S. ; Rost, Jan M. ; Manson, Steven T. / Photoionization of Xe inside C60 : Atom-fullerene hybridization, giant cross-section enhancement, and correlation confinement resonances. In: Physical Review A - Atomic, Molecular, and Optical Physics. 2010 ; Vol. 81, No. 1.
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