The colliding planar shocks platform to study warm dense matter at the National Ignition Facility

MJ MacDonald, CA Di Stefano, T Doeppner… - Physics of …, 2023 - pubs.aip.org
We have developed an experimental platform at the National Ignition Facility that employs
colliding planar shocks to produce warm dense matter with uniform conditions and enable …

Probing matter at Gbar pressures at the NIF

AL Kritcher, T Döppner, D Swift, J Hawreliak… - High Energy Density …, 2014 - Elsevier
We describe a platform to measure the material properties, specifically the equation of state
and electron temperature, at pressures of 100 Mbar to a Gbar at the National Ignition Facility …

D'yakov-Kontorovitch instability of shock waves in hot plasmas

N Wetta, JC Pain, O Heuzé - Physical Review E, 2018 - APS
The D'yakov-Kontorovich stability criterion for spontaneous emission of acoustic waves
behind shock fronts is investigated for high-temperature carbon, aluminum, silicon, and …

Analytic model of principal Hugoniot at all pressures

L Burakovsky, DL Preston, SD Ramsey… - Journal of Applied …, 2022 - pubs.aip.org
We present the analytic form of the principal Hugoniot at all pressures. It is constructed by
interpolating smoothly between three pressure (P) regimes. Specifically,(i) the low-P regime …

Extended first‐principles molecular dynamics simulations of hot dense boron: equation of state and ionization

A Blanchet, F Soubiran, M Torrent… - Contributions to Plasma …, 2022 - Wiley Online Library
The extended first‐principles molecular dynamics (Ext. FPMD) model introduced by Shen
Zhang et al. has been implemented within the ab initio DFT software package ABINIT and is …

Equation of state of dense plasmas using a screened-hydrogenic model with ℓ-splitting

G Faussurier, C Blancard, P Renaudin - High Energy Density Physics, 2008 - Elsevier
We present a self-consistent model based on a nonrelativistic screened-hydrogenic model
with ℓ-splitting to calculate the equation of state of matter in local thermodynamic …

Thermal contribution to thermodynamic functions in the Thomas–Fermi model

OP Shemyakin, PR Levashov… - Journal of Physics A …, 2010 - iopscience.iop.org
We propose a method of calculation of thermodynamic functions in the Thomas–Fermi
model at finite temperature θ. Expressions for first and second derivatives of the free energy …

Shock Hugoniot measurements of CH at Gbar pressures at the NIF

AL Kritcher, T Doeppner, D Swift… - Journal of Physics …, 2016 - iopscience.iop.org
Laboratory measurements of the shock Hugoniot at high pressure, exceeding several
hundred Mbar, are of great importance in the understanding and accurate modeling of …

Equation of state of al based on the Thomas–Fermi model

OP Shemyakin, PR Levashov… - … to Plasma Physics, 2012 - Wiley Online Library
A wide‐range semiempirical equation of state for aluminum applicable both at near‐normal
conditions and in dense plasma is presented. The finite‐temperature Thomas–Fermi model …

Use of multilayer targets for achieving off-Hugoniot states

AA Aliverdiev, D Batani, L Antonelli, K Jakubowska… - Physical Review E, 2014 - APS
We present an approach for the realization of extreme off-Hugoniot states of matter in laser-
driven shock experiments. The method is based on the application of impedance-mismatch …