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JETP Letters

, Volume 107, Issue 3, pp 168–174 | Cite as

Quasi-Isentropic Compressibility of Deuterium at a Pressure of ~12 TPa

  • M. A. Mochalov
  • R. I. Il’kaev
  • V. E. Fortov
  • A. L. Mikhailov
  • V. A. Arinin
  • A. O. Blikov
  • V. A. Komrakov
  • I. P. Maksimkin
  • V. A. Ogorodnikov
  • A. V. Ryzhkov
Condensed Matter

Abstract

An experimental result for the quasi-isentropic compressibility of a strongly nonideal deuterium plasma compressed in a spherical device by the pressure P = 11400 GPa (114 Mbar) to the density ρ ≈ 10g/cm3 has been reported. The characteristics of the experimental device, diagnostic methods, and experimental results have been described. The trajectory of motion of metallic shells compressing a deuterium plasma has been recorded using intense pulsed sources of X rays with the boundary energy of electrons up to 60 MeV. The deuterium plasma density ρ ≈ 10g/cm3 has been determined from the measured radius of the shell at the time of its “stop.” The pressure of the compressed plasma has been determined from gas-dynamic calculations taking into account the real characteristics of the experimental device.

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Copyright information

© Pleiades Publishing, Inc. 2018

Authors and Affiliations

  • M. A. Mochalov
    • 1
  • R. I. Il’kaev
    • 1
  • V. E. Fortov
    • 2
  • A. L. Mikhailov
    • 1
  • V. A. Arinin
    • 1
  • A. O. Blikov
    • 1
  • V. A. Komrakov
    • 1
  • I. P. Maksimkin
    • 1
  • V. A. Ogorodnikov
    • 1
  • A. V. Ryzhkov
    • 1
  1. 1.Russian Federal Nuclear Center All-Russian Research Institute of Experimental PhysicsSarov, Nizhny Novgorod regionRussia
  2. 2.Joint Institute for High TemperaturesRussian Academy of SciencesMoscowRussia

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