Computer Science
Scientific paper
Mar 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jqsrt..27..233w&link_type=abstract
(Conference on Radiative Properties of Hot Dense Matter, Monterey, CA, Nov. 17-20, 1980.) Journal of Quantitative Spectroscopy a
Computer Science
8
Dense Plasmas, High Temperature Plasmas, Laser Plasmas, Plasma Spectra, Spectral Line Width, Stark Effect, Computerized Simulation, Line Shape, Monte Carlo Method, Plasma Radiation
Scientific paper
A general expression for the line shape in Stark broadening is presented, and the electric microfield distribution functions and the full-Coulomb electron radiator interactions are discussed. Basic equations for the line shape are reviewed and a static ion approximation is employed with an effective ion-ion potential to obtain a function suitable for approximating electron correlations. Consideration is given to simplified calculation of singly charged ions moving in a uniform neutralizing background, including radiator-ion correlations through the potential and the field effects due to the perturbing ions. A central/noncentral separation is obtained which screens all short range central effects for use in a resummed Mayer cluster expansion. The resulting microfield distributions match well with Monte Carlo calculations. Further work is indicated to treat electron-ion fluctuations and include ion quadrupole effects for high density plasmas.
Hooper F. Jr. C.
Iglesias Carlo A.
Woltz L. A.
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