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Photon Absorption and Electron Scattering by Endohedrals

  • Miron Ya. AmusiaEmail author
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Part of the FIAS Interdisciplinary Science Series book series (FIAS)

Abstract

We concentrate here on photon absorption as well as electron and positron scattering upon endohedrals that consist of a fullerenes shell and an inner atom A. The aim is to understand the effect of fullerene electron shell in formation of corresponding cross-section. We consider the problem substituting the action of a complex multiatomic fullerenes shell by a combination of static pseudopotential and dynamic polarization potential. The electron correlations in the atom A are taken into account in the frame of the random phase approximation with exchange (RPAE). We demonstrate that the fullerenes shell strongly affects the cross-sections, bringing in a number of peculiarities, such as confinement resonances and giant-endohedral resonances and partial wave Ramsauer-type minima. Numerical data are obtained for endohedrals A@C60 and A@C60@C240, where A are noble gas atoms He, Ar and Xe.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Racah Institute of Physics, The Hebrew UniversityJerusalemIsrael
  2. 2.A. F. Ioffe Physical-Technical InstituteSt. PetersburgRussia

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