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Influence of Microfield Directionality on Line Shapes
AbstractIn the framework of the Spectral Line Shapes in Plasmas Code Comparison Workshop (SLSP), large discrepancies appeared between the different approaches to account for ion motion effects in spectral line shape calculations. For a better understanding of these effects, in the second edition of the SLSP in August, 2013, two cases were dedicated to the study of the ionic field directionality on line shapes. In this paper, the effects of the direction and magnitude fluctuations are separately analyzed. The effects of two variants of electric field models, (i) a pure rotating field with constant magnitude and (ii) a time-dependent magnitude field in a given direction, together with the effects of the time-dependent ionic field on shapes of the He II Lyman-α and -β lines for different densities and temperatures, are discussed.
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Calisti, A.; Demura, A.V.; Gigosos, M.A.; González-Herrero, D.; Iglesias, C.A.; Lisitsa, V.S.; Stambulchik, E. Influence of Microfield Directionality on Line Shapes. Atoms 2014, 2, 259-276.View more citation formats
Calisti A, Demura AV, Gigosos MA, González-Herrero D, Iglesias CA, Lisitsa VS, Stambulchik E. Influence of Microfield Directionality on Line Shapes. Atoms. 2014; 2(2):259-276.Chicago/Turabian Style
Calisti, Annette; Demura, Alexander V.; Gigosos, Marco A.; González-Herrero, Diego; Iglesias, Carlos A.; Lisitsa, Valery S.; Stambulchik, Evgeny. 2014. "Influence of Microfield Directionality on Line Shapes." Atoms 2, no. 2: 259-276.
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