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The proposed Laser Und XFEL (LUXE) Experiment at DESY, Hamburg, aims to probe QED in the strong field non-perturbative regime. This regime will be created in collisions between high-intensity laser pulses and high-energy electron or photon…

High Energy Physics - Experiment · Physics 2021-12-30 Arka Santra

In the paper, a review of most important results of experimental studies of thermonuclear plasma in conical targets, generation of shock waves and spallation phenomena in different materials, which were carried out at laser facilities of…

We recently proposed a new technique of plasma tailoring by laser-driven hydrodynamic shockwaves generated on both sides of a gas jet [J.-R. Marqu\`es et al., Phys. Plasmas 28, 023103 (2021)]. In the continuation of this numerical work, we…

Experimental results for the reflection coefficient of shock-compressed dense Xenon plasmas at pressures of 1.6 - 17 GPa and temperatures around 30 000 K using a laser beam with \lambda = 1.06 10^-6 m are compared with calculations based on…

Plasma Physics · Physics 2009-11-07 H. Reinholz , G. Roepke , A. Wierling , V. Mintsev , V. Gryaznov

Some features of the physics of radiation-dominated shock waves are discussed with emphasis on the peculiarities which are important for correct numerical modeling of shock breakouts in supernova. With account of those peculiarities, a…

High Energy Astrophysical Phenomena · Physics 2015-06-12 A. G. Tolstov , S. I. Blinnikov , D. K. Nadyozhin

We considered the structure of steady-state radiative shock waves propagating in the partially ionized hydrogen gas with density rho1 = 1e-10 gm/cm^3 and temperature 3000K <= T1 <= 8000K. The radiative shock wave models with electron…

Astrophysics · Physics 2009-11-07 Yu. A. Fadeyev , H. Le Coroller , D. Gillet

Shocks are often invoked as heating mechanisms in astrophysical systems, with both adiabatic compression and dissipative heating that leading to temperature increases. Whilst shocks are reasonably well understood for ideal…

Solar and Stellar Astrophysics · Physics 2024-01-03 Ben Snow

Multiwavelength radiation from relativistic particles accelerated at shocks in novae and other astrophysical sources carries a wealth of information about the outflow properties and the microphysical processes at work near the shocks. The…

High Energy Astrophysical Phenomena · Physics 2018-02-21 Indrek Vurm , Brian D. Metzger

Studies of ultrafast dynamics along with femtosecond-pulse metrology rely on non-linear processes, induced solely by the exciting/probing pulses or the pulses to be characterized. Extension of these approaches to the extreme-ultraviolet…

Atomic Physics · Physics 2015-05-27 P. Tzallas , E. Skantzakis , L. A. A. Nikolopoulos , G. D. Tsakiris , D. Charalambidis

Spectral properties of the x-ray pulses, generated by perfectly uniform cylindrical implosions of tungsten plasma with parameters typical of wire array z-pinches, are investigated under the simplifying assumption that the final stage of the…

Plasma Physics · Physics 2015-06-03 M. M. Basko , P. V. Sasorov , M. Murakami , V. G. Novikov , A. S. Grushin

Laser-induced breakdown has shown many potential applications in the various field of science and engineering. As the breakdown occurs in gas or aerosol, a rapid hydrodynamic expansion as shock (blast) wave initiated from the deposition…

Plasma Physics · Physics 2019-02-01 A. P. Singh , U. P. Padhi , R. Joarder

Type IIn and related supernovae show evidence for an interaction with a dense circumstellar medium that produces most of the supernova luminosity. X-ray emission from shock heated gas is crucial for the energetics of the interaction and can…

High Energy Astrophysical Phenomena · Physics 2015-06-03 Roger A. Chevalier , Christopher M. Irwin

Evolution of fast, radiative shocks in high density medium is presented. Ionizing spectra and approximate broad band light curves of the shocked gas are calculated. Emergent shock spectra, as seen by a distant observer, are obtained from…

Astrophysics · Physics 2015-06-24 Tomasz Plewa

One of the difficulties in developing accurate numerical models of radiation flow in a coupled radiation-hydrodynamics setting is accurately modeling the transmission across a boundary layer. The COAX experiment is a platform design to test…

We present here the tool "Virtual Spectro", a post-processor for spectroscopics analysis of hydrodynamic codes. We describe purpose and method of this tool, and the first application to analysis of high energy laser driven radiative shocks.

Solar and Stellar Astrophysics · Physics 2012-06-11 Michel Busquet

Shock-driven turbulence is central to astrophysical plasmas in which explosions and compressive driving inject energy through shocks rather than steady stirring. We present three-dimensional, three-temperature (ion, electron, and radiation;…

Plasma Physics · Physics 2026-05-22 Stefano Merlini , James R. Beattie , Vicente Valenzuela-Villaseca

We show in this paper that the "reply to comment" by Chantal Stehl\'e et al was not satisfactorily and is contradictory to their latest results. The analysis of the published results of their last campaign reveals an average shock velocity…

Instrumentation and Methods for Astrophysics · Physics 2014-05-05 Michel Busquet

We present results of energetic laser-ion acceleration from a tailored, near solid density gas target. Colliding hydrodynamic shocks compress a pure hydrogen gas jet into a 70 {\mu}m thick target prior to the arrival of the ultra-intense…

Plasma Physics · Physics 2016-10-19 M. H. Helle , D. F. Gordon , D. Kaganovich , Y. Chen , J. P. Palastro , A. Ting

The first-known observation of plasma-induced cavitation bubbles and expanding shockwaves in liquid during plasma initiation timescales reveals deviation from expected Rankine-Hugoniot shock behavior due to coupled shock-cavitation…