The Free-free Opacity in Warm, Dense, and Weakly Ionized Helium

Abstract

We investigate the ionization and the opacity of warm, dense helium under conditions found in the atmospheres of cool white dwarf stars. Our particular interest is in densities up to 3 g/cm3 and temperatures from 1000K to 10000K. For these physical conditions various approaches for modeling the ionization equilibrium predict ionization fractions that differ… (More)

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@inproceedings{Kowalski2005TheFO, title={The Free-free Opacity in Warm, Dense, and Weakly Ionized Helium}, author={Piotr M. Kowalski and Stephane Mazevet and Didier Saumon}, year={2005} }