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Pis'ma v Zh. Èksper. Teoret. Fiz., 2018, Volume 107, Issue 3, Pages 173–179 (Mi jetpl5488)  

CONDENSED MATTER

Quasi-isentropic compressibility of deuterium at a pressure of $\sim 12$ TPa

M. A. Mochalova, R. I. Il'kaeva, V. E. Fortovb, A. L. Mikhailova, V. A. Arinina, A. O. Blikova, V. A. Komrakova, I. P. Maksimkina, V. A. Ogorodnikova, A. V. Ryzhkova

a Russian Federal Nuclear Center All-Russian Research Institute of Experimental Physics, Sarov, Nizhny Novgorod region, Russia
b Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow, Russia

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 $\rho\approx10$g/cm$^3$ 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 $\rho\approx10$g/cm$^3$ 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.

Funding Agency Grant Number
Russian Foundation for Basic Research 16-02-00275_
Russian Academy of Sciences - Federal Agency for Scientific Organizations


DOI: https://doi.org/10.7868/S0370274X18030062

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English version:
Journal of Experimental and Theoretical Physics Letters, 2018, 107:3, 168–174

Bibliographic databases:

Document Type: Article
Received: 14.11.2017

Citation: 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, “Quasi-isentropic compressibility of deuterium at a pressure of $\sim 12$ TPa”, Pis'ma v Zh. Èksper. Teoret. Fiz., 107:3 (2018), 173–179; JETP Letters, 107:3 (2018), 168–174

Citation in format AMSBIB
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\paper Quasi-isentropic compressibility of deuterium at a pressure of $\sim~12$ TPa
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2018
\vol 107
\issue 3
\pages 173--179
\mathnet{http://mi.mathnet.ru/jetpl5488}
\crossref{https://doi.org/10.7868/S0370274X18030062}
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\jour JETP Letters
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