Phys. Rev. Lett. 70, 2102–2105 (1993)Demonstration of 0.75 Gbar planar shocks in x-ray driven colliding foilsReceived 30 November 1992; published in the issue dated 5 April 1993 We have directly observed 0.75±0.2 Gbar planar shocks in gold target foils impacted by ablatively driven gold flyer foils. The x-ray drive for the flyer foils was produced in a gold Hohlraum by ten beams of the Nova laser. The dynamic pressure inferred by shock velocity measurements is more than a factor of 7 greater than previous dynamic shocks produced in the laboratory and over a surface area significantly larger than most previous ultrahigh pressure experiments. The technique allows the laboratory investigation of equations of state in the gigabar regime. © 1993 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.70.2102
DOI:
10.1103/PhysRevLett.70.2102
PACS:
62.50.+p, 07.35.+k, 64.30.+t
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