Computer Science
Scientific paper
Oct 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975jqsrt..15..881d&link_type=abstract
Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 15, Oct. 1975, p. 881-899. In Russian.
Computer Science
36
Dense Plasmas, H Lines, Hydrogen Plasma, Line Shape, Plasma Spectra, Stark Effect, Asymmetry, Charged Particles, Electric Fields, Gas Spectroscopy, Hydrogen Atoms, Perturbation Theory
Scientific paper
The problem concerning the asymmetry of the Stark profile of each hydrogen line emitted in a dense plasma, which is caused by an inhomogeneity of the ion electric field, is solved in terms of the expansion parameter within the framework of first-order perturbation theory. Corrections which determine the asymmetry of a line contour are expressed in terms of universal functions associated with the first moments of the inhomogeneity-tensor components of the ion electric field. The relationship between asymmetry and a shift of the 'symmetry center' is analyzed. It is shown that the experimentally observed shifts of the 'symmetry center' are basically caused by an inhomogeneity of the ion electric field and are proportional to the charged-particle density in the quasi-static limit.
Demura Alexander V.
Sholin G. V.
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