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Dynamic compression of hydrogen isotopes at megabar pressures

机译:在兆巴压力下动态压缩氢同位素

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We review the results of shock compression of solid protium to the pressure 66 GPa, of liquid deuterium to 110 GPa, and of solid deuterium to 123 GPa in explosive devices of spherical geometry. The results are compared with data obtained by US scientists using traditional energy sources (explosives and light-gas guns), striker acceleration in a strong magnetic field (Z facility at Sandia), and powerful lasers (Nova at Lawrence Livermore National Laboratory (LLNL) and Omega at the Laboratory for Laser Energetics, University of Rochester). Results of density measurements of hydrogen isotopes under quasi-isentropic compression are analyzed. The absence of an anomalous increase in density under shock and quasi-isentropic compression of hydrogen isotopes is demonstrated. On the other hand, both processes exhibit a sharp change in the compression curve slopes, at the respective pressures 45 and 300 GPa.
机译:我们回顾了球形几何爆炸装置中固体pro冲击压缩至66 GPa,液态氘至110 GPa和固体氘至123 GPa的冲击结果。将结果与美国科学家使用传统能源(爆炸物和轻气枪),强磁场中的撞针加速度(桑迪亚的Z设施)和强激光(劳伦斯·利弗莫尔国家实验室(LLNL)的新星)获得的数据进行比较。和Omega(罗切斯特大学激光能量学实验室)。分析了准等熵压缩下氢同位素的密度测量结果。结果表明,在氢同位素的冲击和准等熵压缩下,密度没有异常增加。另一方面,在各自的压力45和300GPa下,这两个过程都表现出压缩曲线斜率的急剧变化。

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