Effect of a femtosecond-scale temporal structure of a laser driver on generation of betatron radiation by wakefield accelerated electronsA brightness of a betatron radiation generated by laser wakefield accelerated electrons can be increased by utilizing the laser driver with shorter duration at the same energy. Such shortening is…Andrey D. Sladkov, Artem V. Korzhimanov·Jul 8, 2022SaveLearn
Generation of synchronized high-intensity x-rays and mid-infrared pulses by Doppler-shifting of relativistically intense radiation from near-critical-density plasmasIt is shown that when relativistically intense ultrashort laser pulses are reflected from the boundary of a plasma with a near-critical density, Doppler frequency shift leads to generation of intense…Nikita A. Mikheytsev, Artem V. Korzhimanov·Jul 8, 2022SaveLearn
BxC: a swift generator for 3D magnetohydrodynamic turbulenceMagnetohydrodynamic turbulence is central to laboratory and astrophysical plasmas, and is invoked for interpreting many observed scalings. Verifying predicted scaling law behaviour requires…J. -B. Durrive, M. Changmai, R. Keppens et al.·Jul 7, 2022SaveLearn
Shearless bifurcations in particle transport for reversed shear tokamaksSome internal transport barriers in tokamaks have been related to the vicinity of extrema of the plasma equilibrium profiles. This effect is numerically investigated by considering the guiding-center…G. C. Grime, M. Roberto, R. L. Viana et al.·Jul 6, 2022SaveLearn
Surface Plasmon-Driven Electron and Proton Acceleration without Grating CouplingSurface plasmon (SP) excitation in intense laser interaction with solid target can be exploited for enhancing secondary emissions, in particular efficient acceleration of high charge electron…J. Sarma, A. McIlvenny, N. Das et al.·Jul 6, 2022SaveLearn
Ionization rate and plasma dynamics at 3.9 micron femtosecond photoionization of airThe introduction of mid-IR optical parametric chirped pulse amplifiers (OPCPAs) has catalyzed interest in multi-millijoule, infrared femtosecond pulse-based filamentation. As tunneling ionization is…Adam Patel, Claudia Gollner, Rokas Jutas et al.·Jul 5, 2022SaveLearn
An electron-beam based Compton scattering x-ray source for probing high-energy-density physicsThe physics basis for an electron-beam based Compton scattering (ECOS) x-ray source is investigated for single-shot experiments at major high energy density facilities such as the Omega Laser…H. G. Rinderknecht, G. Bruhaug, V. Muşat et al.·Jul 4, 2022SaveLearn
Direct imaging of shock wave splitting in diamond at Mbar pressuresThe propagation of a shock wave in solids can stress them to ultra-high pressures of millions of atmospheres. Understanding the behavior of matter at these extreme pressures is essential to describe…S. S. Makarov, S. A. Dyachkov, T. A. Pikuz et al.·Jul 4, 2022SaveLearn
First experiments looking at electric field outside the Dense Plasma Focus show axial magnetic field exists before, during and after the pinch phaseRecent experiments using 15 frame interferometry on PF-1000 facility in Warsaw confirm the association between neutron emission and spontaneously self-organized, relatively long lasting, finite…Mladen Mitov, Alexander Blagoev, Stanislav Zapryanov et al.·Jul 2, 2022SaveLearn
X-ray imaging and radiation transport effects on cylindrical implosionsMagnetization of inertial confinement implosions is a promising means of improving their performance, owing to the potential reduction of energy losses within the target and mitigation of…G. Pérez-Callejo, M. Bailly-Grandvaux, R. Florido et al.·Jul 1, 2022SaveLearn
Hybrid-Kinetic Approach: Inertial ElectronsHybrid-kinetic simulations describe ion-scale kinetic phenomena in space plasmas by considering ions kinetically, i.e. as particles, while electrons are modelled as a fluid. Most of the existing…Neeraj Jain, Patricio A. Muñoz, Jörg Büchner·Jul 1, 2022SaveLearn
Whistler Waves As a Signature of Converging Magnetic Holes in Space PlasmasMagnetic holes are plasma structures that trap a large number of particles in a magnetic field that is weaker than the field in its surroundings. The unprecedented high time-resolution observations…Wence Jiang, Daniel Verscharen, Hui Li et al.·Jul 1, 2022SaveLearn
Infuence of mass ablation on ignition and burn propagation in layered fusion capsulesAfter decades of research, recent laser-driven inertial fusion experiments have demonstrated rapid progress toward achieving thermonuclear ignition using capsule designs with cryogenic fuel layers.…W. Daughton, B. J. Albright, S. M. Finnegan et al.·Jun 30, 2022SaveLearn
QED Effects at Grazing Incidence on Solid-State-TargetsNew laser facilities will reach intensities of 1023 W cm-2. This advance enables novel experimental setups in the study of laser-plasma interaction. In these setups with extreme…Marko Filipovic, Alexander Pukhov·Jun 30, 2022SaveLearn
Two-stream Plasma Instability as a Potential Mechanism for Particle Escape from the Venusian IonosphereIn this work we investigate the possibility of two-stream instability in the Venusian atmosphere to lead to momentum transfer to subsequent escape of Hydrogen and Oxygen ions from the ionosphere. We…Suman Dey, Saptarshi Ghosh, Debjit Maity et al.·Jun 30, 2022SaveLearn
Low-temperature plasma simulation based on physics-informed neural networks: frameworks and preliminary applicationsPlasma simulation is an important and sometimes only approach to investigating plasma behavior. In this work, we propose two general AI-driven frameworks for low-temperature plasma simulation:…Linlin Zhong, Bingyu Wu, Yifan Wang·Jun 30, 2022SaveLearn
Validation and results of an approximate model for the stress of a Tokamak toroidal field coil at the inboard midplaneWe present the verification, validation, and results of an approximate, analytic model for the radial profile of the stress, strain, and displacement within the toroidal field (TF) coil of a Tokamak…C. P. S. Swanson, S. Kahn, C. Rana et al.·Jun 29, 2022SaveLearn
Stabilization of the m=1 mode in a long-thin mirror trap with high-beta anisotropic plasmasThe stabilization of ``rigid'' flute and ballooning modes m = 1 in an axisymmetric mirror trap with the help of an ideally conducting lateral both in the presence and in the absence of end…Igor Kotelnikov, Vadim Prikhodko, Dmitri Yakovlev·Jun 29, 2022SaveLearn
One--Component Plasma of a Million Particles via angular--averaged Ewald potential: A Monte Carlo studyIn this work, we derive a correct expression for the one--component plasma (OCP) energy via the angular--averaged Ewald potential (AAEP). Unlike E.~Yakub and C.~Ronchi (J. Low Temp. Phys. 139, 633…G. S. Demyanov, P. R. Levashov·Jun 29, 2022SaveLearn
Self-consistent formation and steady-state characterisation of trapped high energy electron clouds in the presence of a neutral gas backgroundThis study considers the self-consistent formation and dynamics of electron clouds interacting with a background neutral gas through elastic and inelastic (ionisation) collisions in coaxial…G. Le Bars, J. -Ph. Hogge, J. Loizu et al.·Jun 29, 2022SaveLearn
Meaning of the splitting process for the transition to self-sustained turbulence in a magnetized cylindrical plasmaWhen turbulent structures split more frequently before they decay, persistent turbulence forms in neutral fluid shear flows. Whether this concept can be extended to linear magnetized plasmas is…Stefan Knauer, Chanho Moon, Thomas Schleyerbach et al.·Jun 28, 2022SaveLearn
Testing the conservative character of particle simulations: II. Spurious heating of guiding centers and full orbits subject to fluctuations expressed in terms of E and BFor an axisymmetric tokamak plasma, Hamiltonian theory predicts that the orbits of charged particles must stay on invariant tori of conserved energy in the moving frame of reference of a wave that…Andreas Bierwage, Kouji Shinohara·Jun 28, 2022SaveLearn
Evidence for high-velocity solid dust generation induced by runaway electron impact in FTUPost-mortem and in-situ evidence is presented in favor of the generation of high-velocity solid dust during the explosion-like interaction of runaway electrons with metallic plasma-facing components…M. De Angeli, P. Tolias, S. Ratynskaia et al.·Jun 27, 2022SaveLearn
Directional Locking in a 2D Yukawa Solid Modulated by a 2D Periodic SubstrateDirectional depinning dynamics of a 2D dusty plasma solid modulated by a 2D square periodic substrate are investigated using Langevin dynamical simulations. We observe prominent directional locking…Wenqi Zhu, C. Reichhardt, C. J. O. Reichhardt et al.·Jun 27, 2022SaveLearn
Radiative transfer simulations for in-situ particle size diagnostic in reactive, particle growing plasmasWhen considering particles produced in reactive plasmas, their basic properties, such as refractive index and grain size often need to be known. They can be constrained both ex-situ, e.g., by…Julia Kobus, Andreas Petersen, Franko Greiner et al.·Jun 27, 2022SaveLearn