Advanced Atomic Structure and Stark Broadening Calculations for Physical and Astrophysical Applications
A special issue of Atoms (ISSN 2218-2004).
Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 471
Special Issue Editors
Interests: energy levels; oscillator strengths; transition probabilities and lifetime calculations; Stark broadening formalisms and calculations; stellar spectra modeling
Interests: stark broadening formalism and calculations; atomic and molecular collisions; stellar spectra; atomic data and databases
Special Issues, Collections and Topics in MDPI journals
Interests: theoretical atomic physics; astrophysics; plasma physics
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Atomic structure and Stark broadening parameters are important data for astrophysical modeling and plasma laboratories. In recent decades, new techniques for these calculations have been produced and accurate data have become available. Nowadays, we still do not have data for some atoms in some ionization stages and their calculations and experimental evaluation are needed.
This Special Issue will include original and review papers on high precision atomic structure calculations and measurements with most applications in physics and astrophysics. Stark broadening is one of the most important processes in laboratories and astrophysical plasma, so theoretical, experimental and observational research works are welcome.
In a plasma, the two important and concurrent broadening processes are the Doppler and Stark effects. Doppler widths are simple to calculate; however, Stark widths are more complicated. There are quantum, semi-classical, empirical and semi-empirical formalisms to evaluate this effect.
Generally, in order to calculate Stark widths and shifts of spectral lines, the needed energy levels and oscillator strengths are taken from databases or the most recent calculated or measured values.
Ab initio calculations of Stark broadening parameters, are calculations where the necessary atomic energy levels and oscillator strengths are determined during the calculation and not taken from other sources. This calculation method can be used for elements whose spectrum is poorly known and it is not possible to obtain a sufficiently complete set of experimental atomic energy levels and oscillator strengths needed for adequate calculations. This is particularly suitable for multicharged ions when other theoretical and experimental atomic data are scarce.
In this Special Issue, original research articles and reviews are welcome.
Research areas may include (but not limited to) the following:
- Atomic structure calculations and experiments;
- Fine and hyperfine structure;
- Atomic and plasma spectroscopy;
- Radiative and collisional processes;
- Broadening of spectral lines in plasma;
- Stark widths and shifts calculations;
- Acquisition and analysis of stellar spectra.
Critical evaluation of experimental and theoretical data on energy structure and radiative transitions in atoms and ions and broadening of spectral lines are also welcome in this Special Issue.
We look forward to receiving your contributions.
Prof. Dr. Nabil Ben Nessib
Prof. Dr. Milan S. Dimitrijević
Dr. Sylvie Sahal-Bréchot
Guest Editors
Manuscript Submission Information
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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Atoms is an international peer-reviewed open access monthly journal published by MDPI.
Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1500 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.
Keywords
- energy levels
- oscillator strengths
- transition probabilities
- lifetimes
- atomic structure
- Stark broadening
- Stark widths
- Stark shifts
- stellar spectra
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