Summary
A theory is given for the effect of very strong stochastic electric fields on forbidden lines of atomic absorption spectra. It is shown that the electric-field fluctuations give rise to satellite lines which are disposed symmetrically in pairs about the forbidden line and separated from it by 3Ω, where Ω is the plasma frequency. Observation of these lines permits a quantitative determination of the intensity of strong stochastic fields in plasmas.
Riassunto
Si formula una teoria per l'effetto di campi elettrici stocastici molto forti sulle linee proibite degli spettri atomici di assorbimento. Si mostra che le fluttuazioni del campo elettrico danno origine a linee satellite che sono disposte simmetricamente in coppie attorno alla linea proibita e separate da essa di 3Ω, dove Ω è la frequenza del plasma. La loro osservazione permette una determinazione quantitative dell'intensità dei campi stocastici forti nei plasmi.
Резюме
Предлагается теория влияния очень сильных стохастических электрических полей на запрещенные линии атомных спектров поглощения Показывается, что флуктуации электрического поля приводят к появлению линий сателлитов, которые располагаются парами вблизи запрещенной линии и отстоят от нее на 3Ω, где Ω есть плазменная часттта. Наблюдение сателлитов позволяет количественно определить интенсивность сильных стохастических полей в плазме.
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Supported in part by the U.S. Office of Naval Research.
Traduzione a cura della Redazione.
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Kim, S.H. Stark effect and four-quantum transitions in three-dimensional fields in a plasma. Nuov Cim B 41, 334–344 (1977). https://doi.org/10.1007/BF02740888
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DOI: https://doi.org/10.1007/BF02740888