Stark Broadening from Impact Theory to Simulations
AbstractImpact approximation is widely used for calculating Stark broadening in a plasma. We review its main features and different types of models that make use of it. We discuss recent developments, in particular a quantum approach used for both the emitter and the perturbers. Numerical simulations are a useful tool for gaining insight into the mechanisms at play in impact-broadening conditions. Our simple model allows the integration of the Schrödinger equation for an emitter submitted to a fluctuating electric field. We show how we can approach the impact results, and how we can investigate conditions beyond the impact approximation. The simple concepts developed in impact and simulation approaches enable the analysis of complex problems such as the effect of plasma rogue waves on hydrogen spectra. View Full-Text
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Stamm, R.; Hannachi, I.; Meireni, M.; Godbert-Mouret, L.; Koubiti, M.; Marandet, Y.; Rosato, J.; Dimitrijević, M.S.; Simić, Z. Stark Broadening from Impact Theory to Simulations. Atoms 2017, 5, 32.
Stamm R, Hannachi I, Meireni M, Godbert-Mouret L, Koubiti M, Marandet Y, Rosato J, Dimitrijević MS, Simić Z. Stark Broadening from Impact Theory to Simulations. Atoms. 2017; 5(3):32.Chicago/Turabian Style
Stamm, Roland; Hannachi, Ibtissem; Meireni, Mutia; Godbert-Mouret, Laurence; Koubiti, Mohammed; Marandet, Yannick; Rosato, Joël; Dimitrijević, Milan S.; Simić, Zoran. 2017. "Stark Broadening from Impact Theory to Simulations." Atoms 5, no. 3: 32.