Freezing transition and phase diagram of dense carbon-oxygen mixtures in white dwarfs

An accurate calculation is presented of the the phase diagram associated with the solidification transitions in dense carbon-oxygen mixtures appropriate to the interiors of white dwarfs, resulting in a novel prediction of an azeotropic diagram. It is concluded that chemical separations would not tak...

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Veröffentlicht in:	Astrophys. J.; (United States) 1988-11, Vol.334 (1), p.L17-L20
Hauptverfasser:	ICHIMARU, S, IYETOMI, H, OGATA, S
Format:	Artikel
Sprache:	eng
Schlagworte:	640102 - Astrophysics & Cosmology- Stars & Quasi-Stellar, Radio & X-Ray Sources Astronomy CARBON CHARGED PARTICLES CHEMICAL COMPOSITION CHEMISTRY CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COSMOCHEMISTRY DIAGRAMS DISPERSIONS DWARF STARS Earth, ocean, space ELEMENTS ERUPTIVE VARIABLE STARS Exact sciences and technology Faint blue stars (including blue stragglers), white dwarfs, degenerate stars, nuclei of planetary nebulae IONS MIXTURES MORPHOLOGY NONMETALS Normal stars (by class): general or individual OXYGEN IONS PHASE DIAGRAMS PHASE TRANSFORMATIONS SOLIDIFICATION STAR EVOLUTION STARS SUPERNOVAE VARIABLE STARS WHITE DWARF STARS
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Zusammenfassung:	An accurate calculation is presented of the the phase diagram associated with the solidification transitions in dense carbon-oxygen mixtures appropriate to the interiors of white dwarfs, resulting in a novel prediction of an azeotropic diagram. It is concluded that chemical separations would not take place thermodynamically through such solidification processes. 20 references.
ISSN:	0004-637X 1538-4357
DOI:	10.1086/185303