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

K. Falk, S. P. Regan, J. Vorberger, M. A. Barrios, T. R. Boehly, D. E. Fratanduono, S. H. Glenzer, D. G. Hicks, S. X. Hu, C. D. Murphy, P. B. Radha, S. Rothman, A. P. Jephcoat, J. S. Wark, D. O. Gericke, G. Gregori

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    13 Citations (Scopus)

    Abstract

    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.

    Original languageEnglish
    Pages (from-to)76-80
    Number of pages5
    JournalHigh Energy Density Physics
    Volume8
    Issue number1
    DOIs
    Publication statusPublished - Mar 2012

    Keywords

    • Equation of state
    • Plasma diagnostic
    • Warm dense matter

    ASJC Scopus subject areas

    • Radiation
    • Nuclear and High Energy Physics

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