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    • Polarization and dichroism in atomic Auger spectroscopy following absorption of circularly polarized light

      S Sen

      Volume 49 Issue 5 November 1997 pp 461-478

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/049/05/0461-0478

    • Keywords

       

      Spin-polarization; circular dichroism; orientation and alignment parameters; spin orbit interaction (SOI); Auger electron

    • Abstract

       

      Spin resolved Auger current is shown to be different for the absorption of left and right circularly polarized light. This current is produced in non-radiative spontaneous decay of photoexcited atoms or of excited atomic photoions. Circular dichroism in such polarized Auger electrons exists even in the absence of spin-orbit interaction. Physical and geometrical conditions, necessary for the occurrence of dichroic effects in atomic Auger spectroscopy, have been obtained. Calculations for Ba and Xe show that the effect is substantially large and can be readily observed.

    • Author Affiliations

       

      S Sen1

      1. Department of Physics and Meteorology, Indian Institute of Technology, Kharagpur - 721 302, India

    • Dates

       
      Published
      November 1997
      Manuscript received
      11 April 1997
      Manuscript revised
      7 October 1997

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