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High Frequency Limits Of The Two-Electron Photoionization Cross Sections

Author

Listed:
  • R. KRIVEC

    (Department of Theoretical Physics, J. Stefan Institute, PO Box 3000, 1001 Ljubljana, Slovenia)

  • M. YA. AMUSIA

    (Racah Institute of Physics, The Hebrew University, Jerusalem 91904, Israel;
    A. F. Ioffe Physical-Technical Institute, St. Petersburg, 194021, Russia)

  • V. B. MANDELZWEIG

    (Racah Institute of Physics, The Hebrew University, Jerusalem 91904, Israel)

Abstract

Several cross sections of two-electron processes at high but nonrelativistic photon energies ω are considered, which are expressed solely via the initial state wave function of the ionized two-electron object. The new high precision and locally correct nonvariational wave functions describing the ground and several lowest excited states ofH-, He and helium-like ions are used in calculations of different cross sections in the pure dipole approximation and with account of first order corrections inω/c2, and a number of the cross sections' ratios. The dependencies of all these quantities on the nuclear chargeZand the principal quantum numbern(for1

Suggested Citation

  • R. Krivec & M. Ya. Amusia & V. B. Mandelzweig, 2002. "High Frequency Limits Of The Two-Electron Photoionization Cross Sections," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 9(02), pages 1161-1166.
    • Handle: RePEc:wsi:srlxxx:v:09:y:2002:i:02:n:s0218625x02003457
    DOI: 10.1142/S0218625X02003457
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    ; 32.80.Fb; 31.15.Ja;
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