Partial redistribution in high-density, highly ionized plasmas

Details Partial redistribution in high-density, highly ionized plasmas Partial redistribution in high-density, highly ionized plasmas

Nov 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...322..804t&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 322, Nov. 15, 1987, p. 804-811.

Astronomy and Astrophysics

Astrophysics

10

Dense Plasmas, Laser Plasmas, Radiation Distribution, Radiative Heat Transfer, Stochastic Processes, Dynamic Models, Electron Distribution, Random Variables

Scientific paper

The conditions for which partial redistribution functions must be used for radiation transport in high-Z, high-density, laser-produced plasmas are examined. A previously developed two-photon formalism based on the model microfield method is used to calculate redistribution functions including electron and ion Stark broadening with ion dynamic effects. The competition between the relaxation rates and spontaneous emission is shown to determine the conditions for partial redistribution. The discussion makes use of microfield fluctuation rates and broadening coefficients which can be determined from simulation calculations. The redistribution function for the Ly-alpha transition of Ar XVIII is presented for typical plasma conditions.

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