Physics – General Physics
Scientific paper
Jun 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983phrva..27.3187c&link_type=abstract
Physical Review A - General Physics, 3rd Series (ISSN 0556-2791), vol. 27, June 1983, p. 3187-3199. Navy-NSF-supported research.
Physics
General Physics
16
Dense Plasmas, Hydrogen Plasma, Lyman Spectra, Plasma Spectra, Spectral Line Width, Stark Effect, Argon, Carbon, Helium Ions, Normal Density Functions, Schroedinger Equation
Scientific paper
A previously developed extension of the quasistatic approximation which allows for the broadening of hydrogen lines by low-frequency fields is applied to the first four Lyman lines of hydrogen, ionized helium, C VI, and Ar XVIII. It is demonstrated numerically that the low-frequency Stark broadening is Gaussian in the case of relatively small dynamical corrections. Extrapolation of this Gaussian approximation to cases with large corrections leads to good agreement with measurements of the Lyman-alpha, beta, and gamma lines of hydrogen and allows the prediction that Lyman-delta should retain its central dip.
Cauble Robert
Griem Hans R.
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