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Self-consistent measurement of the equation of state of liquid deuterium

Journal Article · · High Energy Density Physics
We combine experiments and theoretical models to characterize warm dense deuterium. A shockwave was driven in a planar target by the OMEGA laser without a standard pusher making the analysis independent of a quartz or aluminium pressure standard. The conditions of the shocked material were diagnosed with VISAR and optical pyrometry which yields the shock velocity (16.9+/- 0.9 km/s) and the temperature (0.57+/- 0.05 eV). We find a self-consistent description of the data when using ab initio simulations (DFT-MD), but not for other equation of state (EOS) models tested.
Research Organization:
Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Sponsoring Organization:
USDOE
DOE Contract Number:
FC52-08NA28302
OSTI ID:
1051674
Report Number(s):
DOE/NA/28302-1065; 2010-171; 2041
Journal Information:
High Energy Density Physics, Journal Name: High Energy Density Physics Journal Issue: 1 Vol. 8; ISSN 1574-1818
Publisher:
Elsevier
Country of Publication:
United States
Language:
English

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