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Self-Consistent Measurement of the Equation of State of Liquid Deuterium

DOI: 10.1016/j.hedp.2011.11.006 DOI Help

Authors: K. Falk (University of Oxford) , S.p. Regan (University of Rochester) , J. Vorberger (Warwick University) , M.a. Barrios (University of Rochester; Lawrence Livermore National Laboratory) , T.r. Boehly (University of Rochester) , D.e. Fratanduono (University of Rochester; Lawrence Livermore National Laboratory) , S.h. Glenzer (Lawrence Livermore National Laboratory) , D.g. Hicks (Lawrence Livermore National Laboratory) , S.x. Hu (University of Rochester) , C.d. Murphy (University of Oxford) , P.b. Radha (University of Rochester) , S. Rothman (AWE PLC) , A. P. Jephcoat (Diamond Light Source) , J.s. Wark (University of Oxford) , D.o. Gericke (Warwick University) , G. Gregori (UCL Chemistry)
Co-authored by industrial partner: Yes

Type: Journal Paper
Journal: High Energy Density Physics , VOL 8 (1)

State: Published (Approved)
Published: November 2011

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.

Journal Keywords: Warm Dense Matter; Plasma Diagnostic; Equation Of State

Subject Areas: Physics


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Added On: 02/12/2011 12:21

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