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Article Dans Une Revue Journal of Physics: Conference Series Année : 2023

Nonthermal effects on hydrogen Stark profiles

Résumé

Abstract Plasma waves in nonthermal conditions can be strongly amplified by instabilities. We consider plasma conditions where a velocity-space instability amplifies the oscillating electric field magnitude of electron plasma waves up to several times the average plasma microfield. For a wide range of plasma conditions, the first Lyman and Balmer lines of hydrogen are then affected by both the dynamic plasma microfield and the oscillating field. We present computer simulations of line shapes showing the changes expected in such nonthermal conditions.
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Dates et versions

hal-04401040 , version 1 (18-01-2024)

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Roland Stamm, I Hannachi, M Meireni, Joël Rosato, Yannick Marandet. Nonthermal effects on hydrogen Stark profiles. Journal of Physics: Conference Series, 2023, 2439 (1), pp.012011. ⟨10.1088/1742-6596/2439/1/012011⟩. ⟨hal-04401040⟩

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