• Treatment of Be+ (1s− 1)2S Auger resonance with different decouplings of the dilated electron propagator

    • Fulltext


        Click here to view fulltext PDF

      Permanent link:

    • Keywords


      Auger resonance; dilated electron propagator; decoupling

    • Abstract


      The diagonal 2ph-TDA and quasiparticle decouplings of the dilated electron propagator (based on an underlying bi-variational SCF) are utilized to calculate energy and width of the Be+(1s−1)2S Auger resonance for the first time. Comparison with experimental and other theoretical results reveals that the renormalized infinite order diagonal 2ph-TDA decoupling seems to offer a less balanced approach to the treatment of resonances than the second-order decoupling. The diagonal quasiparticle approximation to the self energy is seen to offer an effective and economic alternative to the non-diagonal propagator calculations.

    • Author Affiliations


      Milan N Medikeri1 Manoj K Mishra1

      1. Department of Chemistry, Indian Institute of Technology, Powai, Bombay - 400 076, India
    • Dates

  • Journal of Chemical Sciences | News

© 2022-2023 Indian Academy of Sciences, Bengaluru.