Measurement of the compressibility of a deuterium plasma at a pressure of 1800 GPaстатья
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Аннотация: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 rho = (4.3 +/- 0.7) g/cm(3) 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) = 10.5A degrees C. Under such conditions, the plasma is strongly nonideal (I" similar to partial derivative 450) with the degenerate (n lambda (e) (3) similar to 280) electron component and with an electron density of about 2.8 x 10(23) cm(-3).