Computer Science – Numerical Analysis
Scientific paper
Oct 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.220..153k&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 220, no. 2, p. 153-165
Computer Science
Numerical Analysis
Line Shape, Line Spectra, Luminous Intensity, Mathematical Models, Plasma Turbulence, Radiative Transfer, Resonance Fluorescence, Resonance Scattering, Transfer Functions, Doppler Effect, Numerical Analysis
Scientific paper
This study considers the influence of the effects of scattering due to Langmuir turbulent pulsations in the transfer of radiation in the spectral lines. The transfer equation of radiation in spectral lines, by taking into account scattering due to Langmuir turbulent pulsations, is written in a form convenient for application by numerical methods. The profile's intensity for a plane-parallel finite isothermal slab of a turbulent plasma in the case of complete redistribution of scattering by an atom are obtained. Numerical studies show that in this case with the broadening of spectral lines and the decreasing of self-reversal, the Langmuir frequency nupe is of the same order as the electronic Doppler width delta nuDe. Creation of the line satellites when nupe is larger than the line width delta nu is shown with the aid of numerical methods.
Kleiman E. B.
Koulinich V. V.
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