Experimental measurements of the compressibility, temperature, and light absorption in dense shock-compressed gaseous deuterium

Гришечкин, С. К.; Gruzdev, S. K.; Gryaznov, V. K.; Zhernokletov, M. V.; Ilkaev, R.; Iosilevskii, I. L.; Kashintseva, G. N.; Kirshanov, S. I.; Manachkin, S. F.; Минцев, В. Б.; Михайлов, А. Л.; Mezhevov, A.B.; Mochalov, M. A.; Fortov, V. E.; Khrustalev, V. V.; Shuikin, A. N.; Yukhimchuk, A. A.

doi:10.1134/1.1830656

Cited by 43 publications

(36 citation statements)

References 11 publications

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“…These data are consistent with a stiff EOS with 4.3 to 4.4-fold maximum compression along the principal Hugoniot. A further experimental confirmation of a stiff EOS along the principal Hugoniot came from converging explosive driven shock waves (Boriskov et al, 2005;Grishechkin et al, 2004a) (see fig. 11).…”

Section: Fig 11 (Color Online)mentioning

confidence: 99%

“…This demonstration provided consistent results for thermodynamical points between the principal Hugoniot of cryogenic hydrogen subjected to a single shock to those generated by a reverberating shock wave experiment . In another study (Grishechkin et al, 2004b) precompressed gaseous targets were shocked. The same technique has been further applied to other systems, such as high pressure helium and water (Eggert et al, 2008a;Jeanloz et al, 2007).…”

Section: Coupling Static and Dynamic Compressionsmentioning

confidence: 99%

“…The experimental data are plotted as symbols with error bars: Z machine (triangles) (Knudson et al, 2004), gas gun (crosses) (Nellis et al, 1983b)), explosives (green squares) (Belov et al, 2002), (large circles) (Boriskov et al, 2003), (diamonds) (Grishechkin et al, 2004a), and laser (open circles) (Hicks et al, 2009), (filled small circles) (Knudson and Desjarlais, 2009), and (gray squares) (Collins et al, 1998a;DaSilva et al, 1997). The red line is the Hugoniot from (Caillabet et al, 2011) Predictions of various chemical models are reported as dashed lines: Kerley (Kerley, 2003b), Ross (Ross, 1998), Saumon-Chabriervan Horn(Saumon et al, 1995) and FVT (Juranek and Redmer, 2000).…”

Section: Fig 11 (Color Online)mentioning

confidence: 99%

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The properties of hydrogen and helium under extreme conditions

McMahon¹,

Morales²,

Pierleoni³

et al. 2012

Rev. Mod. Phys.

478

415

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Hydrogen and helium are the most abundant elements in the universe and, in principle, are the simplest elements. Nonetheless, they display remarkable properties under pressure that have fascinated theoreticians and experimentalists for over a century. Recent advances in computational methods have made it possible to elucidate many of these properties. We review some of the computational methods that have been applied to dense hydrogen and helium in recent years, mainly those that perform a simulation directly from the physical picture of electrons and ions; primarily, those based on density functional theory and quantum Monte Carlo methods. We then discuss the predictions from such methods as applied to the phase diagram of hydrogen, including the solid and fluid phases, with particular focus on the crystal structures, the liquidliquid transition and comparison of the results with experimental shock-wave data. We then discuss predictions of ordered quantum states, including a possible low-temperature fluid and high-temperature superconductivity in the atomic state. We also briefly discuss pure helium, and then focus on hydrogen-helium mixtures, with particular focus on properties of relevance to planetary science.

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Section: Fig 11 (Color Online)mentioning

confidence: 99%

Section: Coupling Static and Dynamic Compressionsmentioning

confidence: 99%

Section: Fig 11 (Color Online)mentioning

confidence: 99%

See 1 more Smart Citation

The properties of hydrogen and helium under extreme conditions

McMahon¹,

Morales²,

Pierleoni³

et al. 2012

Rev. Mod. Phys.

478

415

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show abstract

“…Particularly relevant for our current understanding of the phase diagram and the Equation of State (EOS) of compressed hydrogen has been the determination of the primary and secondary Hugoniots lines of deuterium which could be directly compared with experimental data [40,61]. RPIMC predictions for the principal Hugoniot of deuterium were first in disagreement with pulsed laser-produced shock compression experiments [62][63][64], but were later confirmed by magnetically generated shock compression experiments at the Z-pinch machine [65][66][67][68][69][70] and by converging explosive-driven shock waves techniques [71,72]. Also relevant for the development and fine tuning of simulation methods for Warm Dense Matter has been the comparison with the less demanding, but also less fundamental methods based on Density Functional Theory (either Kohn-Sham or Orbital-Free flavours).…”

Section: High-pressure Hydrogenmentioning

confidence: 93%

First Principles Methods: A Perspective from Quantum Monte Carlo

Morales

Clay

Pierleoni

et al. 2013

Entropy

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Quantum Monte Carlo methods are among the most accurate algorithms for predicting properties of general quantum systems. We briefly introduce ground state, path integral at finite temperature and coupled electron-ion Monte Carlo methods, their merits and limitations. We then discuss recent calculations using these methods for dense liquid hydrogen as it undergoes a molecular/atomic (metal/insulator) transition. We then discuss a procedure that can be used to assess electronic density functionals, which in turn can be used on a larger scale for first principles calculations and apply this technique to dense hydrogen and liquid water.

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“…1 The key to solving these problems is the accurate measurement and determination of the equation of state (EOS) of deuterium, helium, and their mixtures over a wide range of pressures and temperatures. 2 In the past several decades, much experimental effort has been directed towards deuterium or helium on aspects such as the two-stage light gas gun, 3,4 convergent explosives, [5][6][7] magnetically launched flyer [8][9][10][11] and laser-driven shock experiments. [12][13][14][15][16][17][18][19][20] In shock experiments, a single shock drives the material to a point on the principal Hugoniot, and the Rankine-Hugoniot conservation equations relate the states of the material before and after…”

Section: Introductionmentioning

confidence: 99%

Measurements of the principal Hugoniots of dense gaseous deuterium−helium mixtures: Combined multi-channel optical pyrometry, velocity interferometry, and streak optical pyrometry measurements

Chen²,

Gu³

et al. 2016

AIP Advances

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The accurate hydrodynamic description of an event or system that addresses the equations of state, phase transitions, dissociations, ionizations, and compressions, determines how materials respond to a wide range of physical environments. To understand dense matter behavior in extreme conditions requires the continual development of diagnostic methods for accurate measurements of the physical parameters. Here, we present a comprehensive diagnostic technique that comprises optical pyrometry, velocity interferometry, and time-resolved spectroscopy. This technique was applied to shock compression experiments of dense gaseous deuterium–helium mixtures driven via a two-stage light gas gun. The advantage of this approach lies in providing measurements of multiple physical parameters in a single experiment, such as light radiation histories, particle velocity profiles, and time-resolved spectra, which enables simultaneous measurements of shock velocity, particle velocity, pressure, density, and temperature and expands understanding of dense high pressure shock situations. The combination of multiple diagnostics also allows different experimental observables to be measured and cross-checked. Additionally, it implements an accurate measurement of the principal Hugoniots of deuterium−helium mixtures, which provides a benchmark for the impedance matching measurement technique.

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Experimental measurements of the compressibility, temperature, and light absorption in dense shock-compressed gaseous deuterium

Cited by 43 publications

References 11 publications

The properties of hydrogen and helium under extreme conditions

The properties of hydrogen and helium under extreme conditions

First Principles Methods: A Perspective from Quantum Monte Carlo

Measurements of the principal Hugoniots of dense gaseous deuterium−helium mixtures: Combined multi-channel optical pyrometry, velocity interferometry, and streak optical pyrometry measurements

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