Test of a q-fractional V(N-q) hartree-fock potential for the calculation of double photoionization cross sections of neon

V. A. Kilin, D. A. Lazarev, Dm A. Lazarev, V. M. Zelichenko, M. Ya Amusia, K. H. Schartner, A. Ehresmann, H. Schmoranzer

Результат исследований: Материалы для журналаСтатья

1 Цитирования (Scopus)

Аннотация

The approach of a parametric V(N-q) Hartree-Fock potential with fractional q is developed and applied for the first time for the calculation of the double photoionization cross sections of Ne. A minimum of the squared difference between the length-form and velocity-form cross sections is used as a criterion for calculating the values of q. It is found that the minimization procedure leads to a practically exact equality of the length-form and velocity-form cross sections for the Ne III 2s22p4[3P, 1D, 1S], 2s12p5[3P, 1P] and 2s02p6[1S] states in the exciting-photon energy region from the double-ionization threshold up to 325 eV, if q is considered as a function of the exciting-photon energy. The calculated V(N-q) cross sections are in better agreement with the experimental data than those for the V(N-1) and V(N-2) potentials.

Язык оригиналаАнглийский
Страницы (с-по)3993-4001
Число страниц9
ЖурналJournal of Physics B: Atomic, Molecular and Optical Physics
Том34
Номер выпуска20
DOI
СостояниеОпубликовано - 28 окт 2001

ASJC Scopus subject areas

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

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