Physics
Scientific paper
Feb 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998jphb...31l.127r&link_type=abstract
Journal of Physics B: Atomic, Molecular, and Optical Physics, Volume 31, Issue 4, pp. L127-L133 (1998).
Physics
2
Scientific paper
Although the number fraction of iron ions in stellar material is very low (less than 0953-4075/31/4/003/img8), transitions between bound states of iron ions form the major contribution to the bound - bound opacity at the Sun's centre. In this work we extend the theoretical description of the iron's bound electronic structure to take account of the effect of transient close encounters between protons and iron ions. We estimate that the effect of such transient molecules on the bound - bound contribution to the Rosseland opacity at the centre of the Sun is sufficiently small that recalculation of the opacity values currently used is not necessary.
Foulis D. L.
Gauthier P.
Rose Steve J.
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