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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2004, Volume 80, Issue 3, Pages 163–166
(Mi jetpl2066)
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This article is cited in 19 scientific papers (total in 19 papers)
GRAVITY, ASTROPHYSICS
Analysis of the presence of small admixtures of heavy elements in the solar plasma by using the SAHA-S equation of state
S. V. Ayukova, V. A. Baturina, V. K. Gryaznovb, I. L. Iosilevskiic, A. N. Starostind, V. E. Fortovb a P. K. Sternberg Astronomical Institute, M. V. Lomonosov Moscow State University
b Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region
c Moscow Institute of Physics and Technology
d Troitsk Institute for Innovation and Fusion Research
Abstract:
The thermodynamic functions of a weakly nonideal plasma are extensively calculated for conditions typical of the depths of stars by using the SAHA-S equation of state. These calculations ensure precise analysis of the effect of the heavy-element content on adiabatic compressibility in the depths of the Sun. Comparison of model calculations with recent helioseismic data ensures more precise determination of solar-plasma composition. This comparison shows that the inclusion of additional components to the composition of heavy-element admixtures is a necessary condition for the theoretical equation of state and the results of analysis of solar oscillations to be consistent.
Received: 26.05.2004
Citation:
S. V. Ayukov, V. A. Baturin, V. K. Gryaznov, I. L. Iosilevskii, A. N. Starostin, V. E. Fortov, “Analysis of the presence of small admixtures of heavy elements in the solar plasma by using the SAHA-S equation of state”, Pis'ma v Zh. Èksper. Teoret. Fiz., 80:3 (2004), 163–166; JETP Letters, 80:3 (2004), 141–144
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Abstract page: | 379 | Full-text PDF : | 96 | References: | 1 |
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