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Atoms 2017, 5(4), 36; doi:10.3390/atoms5040036

Stark-Zeeman Line Shape Modeling for Magnetic White Dwarf and Tokamak Edge Plasmas: Common Challenges

1
Laboratoire PIIM, Aix-Marseille Université, CNRS, 13397 Marseille Cedex 20, France
2
Astronomical Observatory, Volgina 7, 11060 Belgrade 38, Serbia
*
Author to whom correspondence should be addressed.
Academic Editor: Ulrich D. Jentschura
Received: 23 August 2017 / Revised: 21 September 2017 / Accepted: 29 September 2017 / Published: 4 October 2017
(This article belongs to the Special Issue Spectral Line Shapes in Astrophysics and Related Topics)
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Abstract

The shape of atomic spectral lines in plasmas contains information on the plasma parameters, and can be used as a diagnostic tool. Under specific conditions, the plasma located at the edge of tokamaks has parameters similar to those in magnetic white dwarf stellar atmospheres, which suggests that the same line shape models can be used. A problem common to tokamak and magnetic white dwarfs concerns the modeling of Stark broadening of hydrogen lines in the presence of an external magnetic field and the related Zeeman effect. In this work, we focus on a selection of issues relevant to Stark broadening in magnetized hydrogen plasmas. Various line shape models are presented and discussed through applications to ideal cases. View Full-Text
Keywords: line shapes; Stark broadening; Zeeman effect; tokamaks; white dwarfs line shapes; Stark broadening; Zeeman effect; tokamaks; white dwarfs
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Rosato, J.; Kieu, N.; Hannachi, I.; Koubiti, M.; Marandet, Y.; Stamm, R.; Dimitrijević, M.S.; Simić, Z. Stark-Zeeman Line Shape Modeling for Magnetic White Dwarf and Tokamak Edge Plasmas: Common Challenges. Atoms 2017, 5, 36.

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