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JETP Letters

, Volume 92, Issue 5, pp 300–304 | Cite as

Measurement of the compressibility of a deuterium plasma at a pressure of 1800 GPa

  • M. A. MochalovEmail author
  • R. I. Il’kaev
  • V. E. Fortov
  • A. L. Mikhailov
  • Yu. M. Makarov
  • V. A. Arinin
  • S. K. Grishechkin
  • A. O. Blikov
  • V. A. Ogorodnikov
  • A. V. Ryzhkov
  • V. K. Gryaznov
Plasma, Gases

Abstract

The thermodynamic properties of a highly compressed deuterium plasma have been measured using an explosive spherical experimental chamber. The experiment has been performed with an X-ray diffraction complex consisting of three betatrons and a multichannel optoelectronic system of the detection of X-ray images of the process of the explosive spherical compression of deuterium. The density of the shock-compressed deuterium plasma ρ = (4.3 ± 0.7) g/cm3 at the pressure P = 1830 GPa has been detected at the initial pressure of gaseous deuterium P 0 = 267 atm and the temperature T 0 = 10.5°C. Under such conditions, the plasma is strongly nonideal (Γ ∼ 450) with the degenerate (nλ e 3 ∼ 280) electron component and with an electron density of about 2.8 × 1023 cm−3.

Keywords

Deuterium JETP Letter Isentropic Compressibility Nonideal Plasma Gaseous Deuterium 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  • M. A. Mochalov
    • 1
    Email author
  • R. I. Il’kaev
    • 1
  • V. E. Fortov
    • 2
    • 3
  • A. L. Mikhailov
  • Yu. M. Makarov
    • 1
  • V. A. Arinin
    • 1
  • S. K. Grishechkin
    • 1
  • A. O. Blikov
    • 1
  • V. A. Ogorodnikov
    • 1
  • A. V. Ryzhkov
    • 1
  • V. K. Gryaznov
    • 3
  1. 1.Russian Federal Nuclear Center VNIIEFSarov, Nizhni Novgorod regionRussia
  2. 2.Joint Institute for High TemperaturesRussian Academy of SciencesMoscowRussia
  3. 3.Institute of Problems of Chemical PhysicsRussian Academy of SciencesChernogolovka, Moscow regionRussia

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