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Relativistic effects in the photoionization of hydrogen-like ions with screened Coulomb interaction.
- Source :
-
Physics of Plasmas . Jun2014, Vol. 21 Issue 6, p1-14. 14p. 2 Charts, 10 Graphs. - Publication Year :
- 2014
-
Abstract
- The relativistic effects in the photoionization of hydrogen-like ion with screened Coulomb interaction of Yukawa type are studied for a broad range of screening lengths and photoelectron energies. The bound and continuum wave functions have been determined by solving the Dirac equation. The study is focused on the relativistic effects manifested in the characteristic features of photoionization cross section for electric dipole nl → ε,l±1 transitions: shape resonances, Cooper minima and cross section enhancements due to near-zero-energy states. It is shown that the main source of relativistic effects in these cross section features is the fine-structure splitting of bound state energy levels. The relativistic effects are studied in the photoionization of Fe25+ ion, as an example. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 1070664X
- Volume :
- 21
- Issue :
- 6
- Database :
- Academic Search Index
- Journal :
- Physics of Plasmas
- Publication Type :
- Academic Journal
- Accession number :
- 96971621
- Full Text :
- https://doi.org/10.1063/1.4882244