Photoionization of C60: A model study

Mohamed Madjet, Himadri S. Chakraborty, Jan M. Rost, Steven T. Manson

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Time-dependent density functional theory is used to calculate the total and subshell photoionization cross sections of C60. The core of 60 C4+ ions is smeared into a classical jellium shell before treating the correlated motion of the 240 valence electrons quantum mechanically. The calculation reveals two collective plasmon resonances in the total cross section in agreement with the experiment. It is found that a phase-coherent superposition of amplitudes leading to enhancements in the ionization from various C60 subshells in two distinct energy regions essentially builds the plasmons. While the result shows good qualitative agreement with the experiments, the limitation of the model to describe the data in quantitative detail is discussed.

Original languageEnglish
Article number105101
JournalJournal of Physics B: Atomic, Molecular and Optical Physics
Issue number10
Publication statusPublished - 28 May 2008
Externally publishedYes


ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Physics and Astronomy(all)

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