A Fully Relativistic Approach to Photon Scattering and Photoionization of Alkali Atoms
A fully relativistic approach to calculating photoionization and photon-atom scattering cross sections for quasi one-electron atoms is presented. An extensive set of photoionization cross sections have been calculated for alkali atoms: lithium, sodium, potassium, rubidium and cesium. The importance...
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doaj-e44c5fdd838c453ca94a845024489b912021-09-25T23:44:18ZengMDPI AGAtoms2218-20042021-07-019424210.3390/atoms9030042A Fully Relativistic Approach to Photon Scattering and Photoionization of Alkali AtomsAdam Singor0Dmitry Fursa1Igor Bray2Robert McEachran3Department of Physics and Astronomy, Curtin University, Perth 6102, AustraliaDepartment of Physics and Astronomy, Curtin University, Perth 6102, AustraliaDepartment of Physics and Astronomy, Curtin University, Perth 6102, AustraliaLaser Physics Centre, RSP, Australian National University, Canberra 0200, AustraliaA fully relativistic approach to calculating photoionization and photon-atom scattering cross sections for quasi one-electron atoms is presented. An extensive set of photoionization cross sections have been calculated for alkali atoms: lithium, sodium, potassium, rubidium and cesium. The importance of relativistic effects and core polarization on the depth and position of the Cooper minimum in the photoionization cross section is investigated. Good agreement was found with previous Dirac-based <i>B</i>-spline <i>R</i>-matrix calculations of Zatsarinny and Tayal and recent experimental results.https://www.mdpi.com/2218-2004/9/3/42rayleighramanphoton scatteringalkaliphotoionization |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Adam Singor Dmitry Fursa Igor Bray Robert McEachran |
spellingShingle |
Adam Singor Dmitry Fursa Igor Bray Robert McEachran A Fully Relativistic Approach to Photon Scattering and Photoionization of Alkali Atoms Atoms rayleigh raman photon scattering alkali photoionization |
author_facet |
Adam Singor Dmitry Fursa Igor Bray Robert McEachran |
author_sort |
Adam Singor |
title |
A Fully Relativistic Approach to Photon Scattering and Photoionization of Alkali Atoms |
title_short |
A Fully Relativistic Approach to Photon Scattering and Photoionization of Alkali Atoms |
title_full |
A Fully Relativistic Approach to Photon Scattering and Photoionization of Alkali Atoms |
title_fullStr |
A Fully Relativistic Approach to Photon Scattering and Photoionization of Alkali Atoms |
title_full_unstemmed |
A Fully Relativistic Approach to Photon Scattering and Photoionization of Alkali Atoms |
title_sort |
fully relativistic approach to photon scattering and photoionization of alkali atoms |
publisher |
MDPI AG |
series |
Atoms |
issn |
2218-2004 |
publishDate |
2021-07-01 |
description |
A fully relativistic approach to calculating photoionization and photon-atom scattering cross sections for quasi one-electron atoms is presented. An extensive set of photoionization cross sections have been calculated for alkali atoms: lithium, sodium, potassium, rubidium and cesium. The importance of relativistic effects and core polarization on the depth and position of the Cooper minimum in the photoionization cross section is investigated. Good agreement was found with previous Dirac-based <i>B</i>-spline <i>R</i>-matrix calculations of Zatsarinny and Tayal and recent experimental results. |
topic |
rayleigh raman photon scattering alkali photoionization |
url |
https://www.mdpi.com/2218-2004/9/3/42 |
work_keys_str_mv |
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