Equation of state measurements in liquid deuterium to 70 GPa

被引：236

作者：

Knudson, MD

Hanson, DL

Bailey, JE

Hall, CA

Asay, JR

Anderson, WW

机构：

[1] Sandia Natl Labs, Albuquerque, NM 87185 USA

[2] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 22期

关键词：

D O I：

10.1103/PhysRevLett.87.225501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using intense magnetic pressure, a method was developed to launch flyer plates to velocities in excess of 20 km/s. This technique was used to perform plate-impact, shock wave experiments on cryogenic liquid deuterium (L-D-2) to examine its high-pressure equation of state. Using an impedance matching method, Hugoniot measurements were obtained in the pressure range of 30-70 GPa. The results of these experiments disagree with previously reported Hugoniot measurements of L-D-2 in the pressure range above similar to 40 GPa, but are in good agreement with first principles, ab initio models for hydrogen and its isotopes.

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收藏

页码：225501 / 225501

页数：4

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