Equation of state measurements in liquid deuterium to 100 GPa

被引：8

作者：

Knudson, MD ^{[1
]}

Hanson, DL ^{[1
]}

Bailey, JE ^{[1
]}

Lemke, RW ^{[1
]}

Hall, CA ^{[1
]}

Deeney, C ^{[1
]}

Asay, JR ^{[1
]}

机构：

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

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 2003年 / 36卷 / 22期

关键词：

D O I：

10.1088/0305-4470/36/22/342

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(-1). This technique was used to perforin plate-impact, shock wave experiments on cryogenic liquid deuterium (LD2) to examine its high-pressure equation of state (EOS). Using an impedance matching method, Hugoniot measurements were obtained in the pressure range of 22-100 GPa. The results of these experiments disagree with the previously reported Hugoniot measurements of LD2 in the pressure range above similar to40 GPa, but are in good agreement with first principles, ab initio models for hydrogen and its isotopes.

引用

页码：6149 / 6158

页数：10

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