Measurements of Ionic Structure in Shock Compressed Lithium Hydride from Ultrafast X-Ray Thomson Scattering
Andrea Kritcher,Andrea Kritcher,Paul Neumayer,C. R. D. Brown,P. Davis,P. Davis,Tilo Döppner,Roger Falcone,Dirk O. Gericke,Gianluca Gregori,Bastian Holst,Otto Landen,H J Lee,Edward C. Morse,A. Pelka,Ronald Redmer,Markus Roth,Jan Vorberger,K. Wünsch,Siegfried Glenzer +19 more
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In this paper, the first ultrafast temporally, spectrally, and angularly resolved x-ray scattering measurements from shock-compressed matter were presented, where the experimental spectra yield the absolute elastic and inelastic scattering intensities from the measured density of free electrons.Abstract:
We present the first ultrafast temporally, spectrally, and angularly resolved x-ray scattering measurements from shock-compressed matter. The experimental spectra yield the absolute elastic and inelastic scattering intensities from the measured density of free electrons. Laser-compressed lithium-hydride samples are well characterized by inelastic Compton and plasmon scattering of a K-alpha x-ray probe providing independent measurements of temperature and density. The data show excellent agreement with the total intensity and structure when using the two-species form factor and accounting for the screening of ion-ion interactions.read more
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Matter under extreme conditions experiments at the Linac Coherent Light Source
Siegfried Glenzer,Luke Fletcher,Eric Galtier,Bob Nagler,Roberto Alonso-Mori,B. Barbrel,B. Barbrel,S. Brown,D. A. Chapman,Zhijiang Chen,Chandra Curry,Frederico Fiuza,E. J. Gamboa,Maxence Gauthier,Dirk O. Gericke,Arianna Gleason,S. Goede,Eduardo Granados,Philip Heimann,J. B. Kim,Dominik Kraus,Michael MacDonald,Michael MacDonald,A. J. MacKinnon,R. Mishra,Alessandra Ravasio,C. Roedel,P. Sperling,William Schumaker,Ying Y. Tsui,Jan Vorberger,Ulf Zastrau,Alan Fry,William E. White,J. B. Hasting,Hae Ja Lee +35 more
TL;DR: The Linac Coherent Light Source (LCLS) as discussed by the authors is a new tool enabling accurate pump-probe measurements for studying the physical properties of matter in the high-energy density (HED) physics regime.
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Observations of Continuum Depression in Warm Dense Matter with X-Ray Thomson scattering
Luke Fletcher,Andrea Kritcher,Art Pak,Tammy Ma,Tilo Döppner,Carsten Fortmann,Laurent Divol,O. S. Jones,Otto Landen,Howard A. Scott,Jan Vorberger,D. A. Chapman,Dirk O. Gericke,B. A. Mattern,Gerald T. Seidler,Gianluca Gregori,Roger Falcone,S. H. Glenzer +17 more
TL;DR: Detailed measurements of the electron densities, temperatures, and ionization states of compressed CH shells approaching pressures of 50 Mbar are achieved with spectrally resolved x-ray scattering, showing direct evidence of continuum depression in highly degenerate warm dense matter states.
Journal ArticleDOI
Energy relaxation in dense, strongly coupled two-temperature plasmas.
TL;DR: A quantum kinetic approach for the energy relaxation in strongly coupled plasmas with different electron and ion temperatures is presented and a balance equation for the energies of electrons and ions connecting kinetic, correlation, and exchange energies with a quite general expression for the electron-ion energy-transfer rate is derived.
Journal ArticleDOI
Analysis of Thomson scattering from nonequilibrium plasmas.
D. A. Chapman,Dirk O. Gericke +1 more
TL;DR: The analysis of an experiment with strongly driven electrons demonstrates the abilities of the new theory for light scattering as a diagnostic method for plasmas in nonequilibrium states and finds qualitatively different scattering spectra for different times and excellent agreement with the experimental data after time integration.
Journal ArticleDOI
Dynamic structure factor in warm dense beryllium
Kai-Uwe Plagemann,P. Sperling,R. Thiele,Michael P. Desjarlais,Carsten Fortmann,Carsten Fortmann,Tilo Döppner,H. J. Lee,Siegfried Glenzer,Ronald Redmer +9 more
TL;DR: In this paper, the authors calculate the dynamic structure factor (DSF) in warm dense beryllium by means of ab initio molecular dynamics simulations, and compare these with perturbative treatments such as the Born-Mermin approximation.
References
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The physics basis for ignition using indirect-drive targets on the National Ignition Facility
John Lindl,Peter Amendt,Richard Berger,S. Gail Glendinning,Siegfried Glenzer,S. W. Haan,Robert L. Kauffman,Otto Landen,L. J. Suter +8 more
TL;DR: The 1990 National Academy of Science final report of its review of the Inertial Confinement Fusion Program recommended completion of a series of target physics objectives on the 10-beam Nova laser at the Lawrence Livermore National Laboratory as the highest priority prerequisite for proceeding with construction of an ignition-scale laser facility as mentioned in this paper.
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X-ray Thomson scattering in high energy density plasmas
Siegfried Glenzer,Ronald Redmer +1 more
TL;DR: In this article, the authors developed accurate x-ray scattering techniques to measure the physical properties of dense plasmas for applications in high energy density physics, including inertial confinement fusion, material science, or laboratory astrophysics.
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Interiors of Giant Planets Inside and Outside the Solar System
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Observations of plasmons in warm dense matter.
Siegfried Glenzer,O. L. Landen,Paul Neumayer,Richard W. Lee,Klaus Widmann,S. W. Pollaine,R. J. Wallace,Gianluca Gregori,A. Höll,T. Bornath,R. Thiele,V. Schwarz,Wolf-Dietrich Kraeft,Ronald Redmer +13 more
TL;DR: The forward scattering spectra of a laser-produced narrow-band x-ray line from isochorically heated beryllium show that the plasmon frequency is a sensitive measure of the electron density.
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HELIOS-CR – A 1-D radiation-magnetohydrodynamics code with inline atomic kinetics modeling
TL;DR: HELIOS-CR as discussed by the authors is a user-oriented 1D radiation-magnetohydrodynamics code to simulate the dynamic evolution of laser-produced plasmas and z-pinch plrasmas.