Phys. Rev. Lett. 84, 5564–5567 (2000)Shock-Induced Transformation of Liquid Deuterium into a Metallic Fluid
Simultaneous measurements of shock velocity and optical reflectance at 1064, 808, and 404 nm of a high pressure shock front propagating through liquid deuterium show a continuous increase in reflectance from below 10% and saturating at ∼(40–60)% in the range of shock velocities from 12 to 20μm/ns (pressure range 17–50 GPa). The high optical reflectance is evidence that the shocked deuterium reaches a conducting state characteristic of a metallic fluid. Above 20μm/ns shock velocity (50 GPa pressure) reflectance is constant indicating that the transformation is substantially complete. © 2000 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.84.5564
DOI:
10.1103/PhysRevLett.84.5564
PACS:
71.30.+h, 62.50.+p, 64.30.+t
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