Phase Separation in Mixtures of Ionized Iron in a Hydrogen Plasma

Details Phase Separation in Mixtures of Ionized Iron in a Hydrogen Plasma Phase Separation in Mixtures of Ionized Iron in a Hydrogen Plasma

Nov 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980pnas...77.6272a&link_type=abstract

Proceedings of the National Academy of Sciences of the United States of America, Volume 77, Issue 11, pp. 6272-6274

Computer Science

6

Scientific paper

The accuracy of the hypernetted chain theory for mixtures of iron nuclei and protons in a charge-neutralizing background is demonstrated by comparison with molecular dynamics calculations. Near critical conditions the Debye-Huckel approximation fails to converge, even with second-order concentration corrections. The critical conditions, determined by assuming a uniform electron gas background, have a critical temperature more than a factor of 2 lower than present estimates of interior solar conditions. Qualitative arguments are made that including the polarization of the electron gas background would not change this result significantly and thus phase separation of iron in the interior of the sun is unlikely.

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