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 Pis'ma v Zh. Èksper. Teoret. Fiz., 2004, Volume 79, Issue 1, Pages 8–11 (Mi jetpl2195)

GRAVITY, ASTROPHYSICS

Experimental determination of the conditions for the transition of Jupiter’s atmosphere to the conducting state

V. Ya. Ternovoi, S. V. Kvitov, A. A. Pyalling, A. S. Filimonov, V. E. Fortov

Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region

Abstract: The intensity of optical radiation and resistance of a hydrogen-helium layer with He mass fraction Y=m He/(m He+m H)≅0.24, which corresponds to the composition of the outer layers of Jupiter’s atmosphere [2], were simultaneously measured under multiple shock compression up to 164 GPa in plane geometry. The initial pressure and temperature of the mixture were equal to 8 MPa and 77.4 K, respectively, and the velocity of steel strikers was equal to 6.2 km/s. These conditions allowed the generation of the final compressed curve close to the adiabatic states of Jupiter’s atmosphere according to the models proposed in [2, 3]. The conditions for the appearance of the conducting phase in the compression process and the achieved level of electrical conductivity were determined. The experimental data were compared with the one-dimensional fluid-dynamic simulation of the compression process using the equation of state for the mixture in a model similar to the one proposed in [3, 8]. The experimental data were also compared with the behavior of pure components having the same initial density as in the mixture and compressed to the same final pressure.

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English version:
Journal of Experimental and Theoretical Physics Letters, 2004, 79:1, 6–9

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Document Type: Article
PACS: 52.25.$-b$

Citation: V. Ya. Ternovoi, S. V. Kvitov, A. A. Pyalling, A. S. Filimonov, V. E. Fortov, “Experimental determination of the conditions for the transition of Jupiter’s atmosphere to the conducting state”, Pis'ma v Zh. Èksper. Teoret. Fiz., 79:1 (2004), 8–11; JETP Letters, 79:1 (2004), 6–9

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This publication is cited in the following articles:
1. Filinov V., Levashov P., Bonitz M., Fortoz V., “Phase transitions in dense hydrogen-helium plasmas”, Equation-of-State and Phase-Transition Issues in Models of Ordinary Astrophysical Matter, AIP Conference Proceedings, 731, 2004, 239–247
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