Radiation opacity in a dense plasma

Details Radiation opacity in a dense plasma Radiation opacity in a dense plasma

Oct 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....79...27a&link_type=abstract

Astronomy and Astrophysics, vol. 79, no. 1-2, Oct. 1979, p. 27-30.

Astronomy and Astrophysics

Astrophysics

4

Dense Plasmas, Electromagnetic Wave Transmission, Hydrogen Plasma, Opacity, Plasma-Electromagnetic Interaction, Stellar Structure, Cores, Giant Stars, Group Velocity, Helium Hydrogen Atmospheres, Plasma Composition, Plasma Density, Temperature Dependence

Scientific paper

The corrected Rosseland mean opacity is suggested which differs from the commonly used Rosseland mean opacity by more than 1 percent. Two extreme cases are discussed in detail: (1) the case of a giant core mixture with no hydrogen, and (2) the case of almost pure hydrogen. For the giant core mixture in the temperature range from about 10 to the 8th K to about 10 to the 9th K it is found that the correction is about 5 - 10 percent for the Rosseland mean opacity equal to the condition opacity. For the almost pure hydrogen mixture, it is found that in the temperature range from about 5 x 10 to the 6th K to about 5 x 10 to the 7th K, the correction is the same.

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