Spectral line shapes modeling in laboratory and astrophysical plasmas

R. Stamm; D. Boland; M. Christova; L. Godbert-Mouret; M. Koubiti; Y. Marandet; A. Mekkaoui; J. Rosato

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Spectral line shapes modeling in laboratory and astrophysical plasmas

机译：实验室和天体等离子体中的谱线形状建模

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An overview of several spectral line shapes studies of common interest in astrophysical and laboratory plasmas is presented. For lines dominated by Stark broadening, approaches taking into account the dynamics of numerous perturbers are sometimes required. We briefly recall ab initio simulation techniques and model microfield methods used for such conditions. Together with the impact approximation, such models may also be used for studying the effects on a line profile of a magnetic field of the order of the tesla, allowing the diagnostic of stellar objects or magnetic fusion devices. The problem of the apparent spectral line emitted in a plasma affected by strong fluctuations of the plasma parameters is discussed for the case of optically thin plasmas.

机译：概述了对天体物理学和实验室等离子体普遍感兴趣的几种谱线形状研究。对于以史塔克拓宽为主导的生产线，有时需要考虑多种扰动因素动态的方法。我们简要回顾了从头开始的模拟技术和用于此类条件的模型微场方法。与冲击近似一起，这样的模型也可以用于研究对特斯拉量级的磁场的线轮廓的影响，从而允许诊断恒星物体或磁聚变设备。对于光学薄等离子体的情况，讨论了在等离子体参数的强烈波动影响下在等离子体中发射的视在光谱线的问题。

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来源
《New astronomy reviews》 |2009年第10期|272-276|共5页
作者
R. Stamm; D. Boland; M. Christova; L. Godbert-Mouret; M. Koubiti; Y. Marandet; A. Mekkaoui; J. Rosato;
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作者单位

Physique des Interactions Ioniques et Moleculaires, UMR6633, Universite de Provence et CNRS, Marseille, France;

Physique des Interactions Ioniques et Moleculaires, UMR6633, Universite de Provence et CNRS, Marseille, France;

Physique des Interactions Ioniques et Moleculaires, UMR6633, Universite de Provence et CNRS, Marseille, France Department of Applied Physics, Technical University-Sofia, BG-1000 Sofia, Bulgaria;

Physique des Interactions Ioniques et Moleculaires, UMR6633, Universite de Provence et CNRS, Marseille, France;

Physique des Interactions Ioniques et Moleculaires, UMR6633, Universite de Provence et CNRS, Marseille, France;

Physique des Interactions Ioniques et Moleculaires, UMR6633, Universite de Provence et CNRS, Marseille, France;

Physique des Interactions Ioniques et Moleculaires, UMR6633, Universite de Provence et CNRS, Marseille, France;

Physique des Interactions Ioniques et Moleculaires, UMR6633, Universite de Provence et CNRS, Marseille, France;

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正文语种 eng
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关键词
stark broadening; zeeman effect; doppler broadening; turbulence;

机译：明显扩大塞曼效应多普勒展宽;湍流;

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Spectral line shapes modeling in laboratory and astrophysical plasmas

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