Publications associated with High Energy Density Physics and Inertial Fusion Energy


Measurement of short-range correlations in shock-compressed plastic by short-pulse x-ray scattering.

Phys Rev Lett 102 (2009) 165004-

B Barbrel, M Koenig, A Benuzzi-Mounaix, E Brambrink, CR Brown, DO Gericke, B Nagler, M Rabec le Gloahec, D Riley, C Spindloe, SM Vinko, J Vorberger, J Wark, K Wünsch, G Gregori

We have performed short-pulse x-ray scattering measurements on laser-driven shock-compressed plastic samples in the warm dense matter regime, providing instantaneous snapshots of the system evolution. Time-resolved and angularly resolved scattered spectra sensitive to the correlation effects in the plasma show the appearance of short-range order within a few interionic separations. Comparison with radiation-hydrodynamic simulations indicates that the shocked plastic is compressed with a temperature of a few electron volts. These results are important for the understanding of the thermodynamic behavior of strongly correlated matter for conditions relevant to both laboratory astrophysics and inertial confinement fusion research.


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