Relaxation of a Two Electron-Temperature Relativistic Hot Electron-Positron-Ion PlasmaThe relaxation of a relativistic hot electron-positron plasma with a small fraction of cold electrons and ion species is investigated, and a quadruple Beltrami (QB) relaxed state is derived. The QB…Usman Shazad, M. Iqbal·Jul 1, 2025SaveLearn
Impact of temperature asymmetry and small fraction of static positive ions on the relaxed states of a relativistic hot pair plasmaThe relaxed state of a magnetized relativistic hot plasma composed of inertial electrons and positrons having different relativistic temperatures and a fraction of static positive ions is studied.…Usman Shazad, M. Iqbal·Jul 1, 2025SaveLearn
Self-organization of earth's inner magnetospheric multi-ion plasmaThe self-organization of a magnetized multi-ion plasma, composed of inertialess electrons and inertial H+, He+, and O+ ions, leads to the formation of quadruple Beltrami (QB) field structures. The QB…Usman Shazad, M. Iqbal·Jul 1, 2025SaveLearn
High brightness multi-MeV photon source driven by a petawatt-scale laser wakefield acceleratorWe present an experimental demonstration of a bright multi-MeV gamma source driven by a petawatt laser. The source generates on average (1.20.6)×109 photons above 1 MeV per pulse,…E. Gerstmayr, B. Kettle, M. J. V. Streeter et al.·Jun 30, 2025SaveLearn
Plasma Accelerator For Decaying ParticlesWe introduce a plasma wakefield acceleration scheme capable of boosting initially subrelativistic particles to relativistic velocities within millimeter-scale distances. A subluminal light pulse…Chiara Badiali, Rafael Almeida, Bernardo Malaca et al.·Jun 30, 2025SaveLearn
The interaction of turbulence, magnetic islands and zonal fields in fluid plasma models with cubic non-linearitiesIt is shown that magnetic islands generated by pressure-gradient-driven turbulence are common across a wide range of conditions. The interaction among turbulence, magnetic island and other large…Daniele Villa, Nicolas Dubuit, Olivier Agullo et al.·Jun 30, 2025SaveLearn
Alloharmonics in Burst Intensification by Singularity Emitting RadiationBurst Intensification by Singularity Emitting Radiation (BISER) in underdense relativistic laser plasma is a bright source of coherent extreme ultraviolet (XUV) and x-ray radiation. In contrast to…K. Ogura, M. S. Pirozhkova, A. Sagisaka et al.·Jun 30, 2025SaveLearn
Investigation of resonant layer response in electron viscosity regimeWe present a supplementary study of previous work in Waybright and Park [Phys. Plasmas 31, 022502 (2024)] which demonstrates a substantial effect of electron viscosity on the resonant layer response…Yeongsun Lee, Jace Waybright, Jong-Kyu Park·Jun 30, 2025SaveLearn
Variational hydrodynamics of the classical Yukawa one-component plasmaWe consider a recently developed variational approach to the hydrodynamics of strongly coupled plasmas [D. Krimans and S. Putterman, Phys. Fluids 36, 037131 (2024)] and extend it to the Yukawa…Daniels Krimans, Hanno Kählert·Jun 28, 2025SaveLearn
Metriplectic bracket for guiding-center Vlasov-Maxwell-Landau theoryThe metriplectic formulation of collisional guiding-center Vlasov-Maxwell-Landau theory is presented. The guiding-center Landau collision operator, which describes collisions involving test-particle…A. J. Brizard, H. Sugama·Jun 27, 2025SaveLearn
Critical gradient optimization for quasi-isodynamic stellaratorsWe present new and updated methods for reducing transport caused by electrostatic ion temperature gradient (ITG) driven turbulence in quasi-isodynamic (QI) configurations. We first show an updated…G. T. Roberg-Clark, P. Xanthopoulos, G. G. Plunk et al.·Jun 27, 2025SaveLearn
Probing the transition from classical to quantum radiation reaction in relativistic plasmaWe study the transition from classical radiation reaction, described by the Landau-Lifshitz model, to the quantum mechanical regime. The plasma is subject to a circularly polarized field where the…Haidar Al-Naseri, Gert Brodin·Jun 27, 2025SaveLearn
Decoupling acceleration and wiggling in a laser-produced Betatron sourceBetatron radiation is produced in Laser Plasma Accelerators when the electrons are accelerated and simultaneously wiggle across the propagation axis. The mechanisms of electron acceleration and X-ray…Julien Gautier, Igor Andriyash, Andreas Döpp et al.·Jun 27, 2025SaveLearn
Generation of high power spatially-structured laser pulses via forward Raman amplification in plasmaSpatially-structured light with tunable intensity, wavelength, and spatiotemporal profiles has demonstrated significant potentials for fundamental and applied science, including the ultrafast and…Zhi-Yu Lei, Su-Ming Weng, Min Chen et al.·Jun 27, 2025SaveLearn
Enhancement of J x B electron acceleration with the micro-structured target and picosecond high-contrast relativistic-intensity laser pulseEfficient generation of multi-hundred-keV electrons is essential for isochoric heating and can influence ion acceleration. We investigated electron acceleration from copper-oleate foil targets,…Ryunosuke Takizawa, Yuga Karaki, Hiroki Matsubara et al.·Jun 27, 2025SaveLearn
Feedforward equilibrium trajectory optimization with GSPulseOne of the common tasks required for designing new plasma scenarios or evaluating capabilities of a tokamak is to design the desired equilibria using a Grad-Shafranov (GS) equilibrium solver.…J. T. Wai, M. D. Boyer, D. J. Battaglia et al.·Jun 26, 2025SaveLearn
Excitation of Giant Surface Waves During Laser Wake Field AccelerationWe have detected the presence of very high intensity surface waves that are excited during plasma waveguided laser wakefield acceleration. Wakefield acceleration can be enchanced by the introduction…Travis Garrett, Christopher Pieronek, E. Rockafellow et al.·Jun 26, 2025SaveLearn
Enhancement of Mid-/High-Z Impurity Transport by Continuous Li-granule Dropping in a Stellarator PlasmaAn enhancement of core impurity transport is observed in high-density plasmas of the stellarator LHD heated by neutral beam injection when continuous lithium (Li) granule dropping is performed. In…Daniel Medina-Roque, Isabel García-Cortés, Naoki Tamura et al.·Jun 26, 2025SaveLearn
In-liquid Plasma Catalysis for Nitrogen ReductionAmmonia, a crucial component in fertilizers and fuels, is currently produced by the energy-intensive Haber-Bosch process. However, due to the high upfront investments required for large-scale…P. Grosse, J. L. Gembus, F. Landwehr et al.·Jun 26, 2025SaveLearn
Relativistic Oscillating Window Driven by an Intense Laguerre Gaussian Laser PulseHigh-order harmonic generation by the diffraction of an intense Laguerre-Gaussian (LG) laser beam through a small aperture is studied. It is found that the 2D peripheral electron dynamics on the rim…Yao Meng, Runze Li, Longqing Yi·Jun 26, 2025SaveLearn
Control of pedestal-top electron density using RMP and gas puff at KSTARWe report the experimental results of controlling the pedestal-top electron density by applying resonant magnetic perturbation with the in-vessel control coils and the main gas puff in the 2024-2025…Minseok Kim, S. K. Kim, A. Rothstein et al.·Jun 25, 2025SaveLearn
Tomography for Plasma Imaging: a Unifying Framework for Bayesian InferencePlasma diagnostics often employ computerized tomography to estimate emissivity profiles from a finite, and often limited, number of line-integrated measurements. Decades of algorithmic refinement…D. Hamm, C. Theiler, M. Simeoni et al.·Jun 25, 2025SaveLearn
Nonlinear edge localized mode with impurity seeding in CFETR hybrid scenarioA critical challenge for operating fusion burning plasma in high confinement mode lies in mitigating damage caused by edge localized modes (ELMs). While impurity seeding has been experimentally…Shiyong Zeng, Ping Zhu·Jun 25, 2025SaveLearn
Global properties and stability of transonic plasma acceleration in the magnetic nozzleIt is shown that transonic plasma acceleration in the converging-diverging magnetic field (magnetic nozzle) follows the unique global solution which is fully defined by the magnetic field. Such…N. Sheth, A. Smolyakov, J. Deguire et al.·Jun 25, 2025SaveLearn
Two-Loop Turbulent Helical Magnetohydrodynamics: Large-Scale Dynamo and Energy SpectrumWe present a two-loop field-theoretic analysis of incompressible helical magnetohydrodynamics (MHD) in fully developed stationary turbulence. A key feature of helical MHD is the appearance of an…Michal Hnatič, Tomáš Lučivjanský, Lukáš Mižišin et al.·Jun 25, 2025SaveLearn