THEORETICAL AUGER SPECTROSCOPY OF THE NEON: TRANSITION ENERGIES AND WIDTHS

Автор(и)

  • E. A. Efimova Одеський національний університет імені І. І. Мечникова, Україна
  • A. S. Chernyshev I.I. Mechnikov Odessa National University, Україна
  • V. V. Buyadzhi I.I. Mechnikov Odessa National University, Україна
  • L. V. Nikola I.I. Mechnikov Odessa National University, Україна

DOI:

https://doi.org/10.18524/0235-2435.2019.28.194150

Ключові слова:

relativistic theory, Auger spectroscopy, neon

Анотація

The combined relativistic energy approach and relativistic many-body perturbation theory with the zeroth order density functional approximation is applied to determination of the energy and spectral parameters of the resonant Auger decay for neon atomic system. The results are compared with reported experimental results as well as with those obtained by semiempirical and ab initio Hartree-Fock methods. The important point is linked with an accurate accounting for the complex exchange-correlation (polarization) effect contributions and using the optimized one-quasiparticle representation in the relativistic many-body perturbation theory zeroth order that significantly provides a physically reasonable agreement between theory and experiment.

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Обкладинка_Photoelectronics_28

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Опубліковано

2020-02-04

Номер

№ 28 (2019)

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