Flow Crossover and Parallel Outflow during Collisionless Magnetic ReconnectionUsing particle-in-cell simulations that label ions and electrons according to their initial inflow region, we find that during 2D collisionless magnetic reconnection, the bulk flow of the plasma from…Theerasarn Pianpanit, Kittipat Malakit, Pakkapawn Prapan et al.·Sep 29, 2025SaveLearn
Programmable Focal Elongation and Shaping of High-Intensity Laser Pulses using Adaptive OpticsControlling the intensity distribution of laser pulses in the focal region is essential for optimizing optically generated plasma waveguides and enabling advanced plasma acceleration techniques,…P. Blum, A. Puchert, E. Archer et al.·Sep 27, 2025SaveLearn
Control of kinetic plasma instabilities by laser fieldsWe study the possibility of controlling kinetic plasma instabilities by using lasers to apply external electromagnetic fields. We derive the dispersion relation for the corresponding mathematical…Nicolas Crouseilles, Lukas Einkemmer, Qin Li et al.·Sep 27, 2025SaveLearn
On the mechanism of Pedestal Relaxation Events -- Insights gained by turbulence simulations with GRILLIXPedestal Relaxation Events (PREs) appear in I-mode discharges close to the I-H transition. Although they show certain similarities with Edge Localised Modes (ELMs), i.e. periodic energy ejections,…Christoph Pitzal, Andreas Stegmeir, Tim Happel et al.·Sep 26, 2025SaveLearn
Generation of directed electron beams by tight focusing of an ultrashort IR laser in a near-critical plasmaRecent studies have demonstrated the possibility of accelerating electrons to MeV energies in ambient air using tightly focused laser configurations. In this article, we explore possible strategies…Marianna Lytova, François Fillion-Gourdeau, Simon Vallières et al.·Sep 25, 2025SaveLearn
Electrostatic waves in astrophysical Druyvesteyn plasmas: I. Langmuir wavesPlasmas in various astrophysical systems are in non-equilibrium states as evidenced by direct in-situ measurements in the solar wind, solar corona and planetary environments as well as by indirect…Simon Tischmann, Rudi Gaelzer, Dustin Schröder et al.·Sep 25, 2025SaveLearn
Saturation of the kinetic ballooning instability due to the electron parallel nonlinearityThe electron parallel nonlinearity (EPN) is implemented in the gyrokinetic Particle-in-Cell turbulence code GEM [Y. Chen and S. E. Parker, J. Comp. Phys. 220, 839 (2007)]. Application to the Cyclone…Yang Chen, Scott E. Parker·Sep 25, 2025SaveLearn
Reply to "Comments to Marvel Fusions Mixed Fuels Reactor Concept"In "arXiv:2312.13429" Lackner et al. use standard methods to decide if it is possible to ignite mixed fuels. They correctly identify that the increased radiation losses make ignition…Hartmut Ruhl, Georg Korn·Sep 25, 2025SaveLearn
Energy transfer from MHD-scale slow-mode waves to kinetic-scale ion acoustic wavesLarge-amplitude slow-mode waves are commonly observed near Earth's magnetopause. Recent observations show that these waves can occur simultaneously with kinetic-scale ion acoustic waves. The…Xiaofei Shi, Xin An, Vassilis Angelopoulos·Sep 24, 2025SaveLearn
Thermal resilience of the ITER tungsten first wall to runaway electron impactThe fast volumetric deposition of multi-MeV high current runaway electron (RE) beams constitutes the most critical issue for the ITER tungsten (W) first wall (FW) longevity. Such relativistic…S. Ratynskaia, K. Paschalidis, T. Rizzi et al.·Sep 24, 2025SaveLearn
Anisotropic momentum distributions due to radiation recoil in relativistic plasmas with electric and magnetic fieldsThe interaction of strong electromagnetic fields with plasma generates radiation accompanied by a recoil force, which can significantly alter the plasma dynamics. In this work, we investigate the…Haidar Al-Naseri·Sep 24, 2025SaveLearn
A Doppler backscattering diagnostic for the EXL-50U spherical tokamak: plasma considerations and preliminary quasioptical designThe EXL-50U spherical tokamak was built by Energy iNNovation to develop technologies for proton-boron fusion in spherical tokamaks (Liu et al., Phys. Plasmas 2024). We present a conceptual design of…Ying Hao Matthew Liang, Valerian Hongjie Hall-Chen, Terry L. Rhodes et al.·Sep 23, 2025SaveLearn
Generalized mixed variable-pullback scheme with non-ideal Ohm's law for electromagnetic gyrokinetic simulationsIn this work, the non-ideal Ohm's law is integrated in the mixed variable-pullback scheme for the gyrokinetic particle simulations. This scheme captures the evolution of the symplectic solution…Zhixin Lu, Guo Meng, Roman Hatzky et al.·Sep 23, 2025SaveLearn
Intermittent Viscoelastic Turbulence in Strongly Coupled PlasmasTurbulence in strongly coupled plasmas (SCP) poses a unique challenge due to long-range interparticle interactions that impart viscoelastic properties to the medium. We report the first observation…Rauoof Wani, Sanat Tiwari·Sep 23, 2025SaveLearn
Lie-transform derivation of oscillation-center quasilinear theoryThe derivation of the oscillation-center quasilinear theory in an unmagnetized plasma by Dewar Dewar:1973 is rederived by Lie-transform perturbation method.Alain J. Brizard·Sep 22, 2025SaveLearn
Experimental and numerical study on Following Streamer mechanism for SF6 breakdown induced by floating linear metal particlesA recently proposed Following Streamer mechanism (Feng et al. 2025 Phys. Rev. Applied 23 064039) seeks to explain how floating metal particles induce SF6 streamer breakdown in the combined gap. This…Zihao Feng·Sep 22, 2025SaveLearn
Negative charge acquisition by isolated single microdroplets from plasma exposure at atmospheric pressureCharged liquid microdroplets have generated significant interest recently due to the observation of chemical reaction rate enhancement by orders of magnitude. Droplet charging by plasma irradiation…Nourhan Hendawy, Harold McQuaid, Somhairle Mag Uidhir et al.·Sep 22, 2025SaveLearn
Nonlinear anisotropic equilibrium reconstruction in axisymmetric magnetic mirrorsMagnetic equilibrium reconstruction is a crucial simulation capability for interpreting diagnostic measurements of experimental plasmas. Equilibrium reconstruction has mostly been applied to systems…S. J. Frank, I. Agarwal, J. K. Anderson et al.·Sep 22, 2025SaveLearn
Single shot multi-time frame imaging of plasmas with a frequency tagged GHz pulse trainStudying plasma dynamics is crucial for understanding processes like inertial confinement fusion, material damage, and shockwave formation from intense laser or current interactions. While pump-probe…Justin Twardowski, Conrad Kuz, Mohamed Yaseen Noor et al.·Sep 22, 2025SaveLearn
Numerical Analysis of Ground Testing for the Intake Device of an Atmosphere-Breathing Electric PropulsionAtmosphere-breathing electric propulsion (ABEP) is a promising technology for long-term orbit maintenance in very-low-Earth orbit. The intake device plays a crucial role in capturing and supplying…Geonwoong Moon, Eunji Jun, Minwoo Yi et al.·Sep 22, 2025SaveLearn
Modeling stopping power of ions in plasmas using parametric potentialsWe present a study of the ion stopping power due to free and bound electrons in a warm dense plasma. Our main goal is to propose a method of stopping-power calculation expected to be valid for any…Tanguy Barges Delattre, Sébastien Rassou, Jean-Christophe Pain·Sep 22, 2025SaveLearn
Measuring the locations and properties of VHF sources emitted from an aircraft flying through high cloudsWe show that it is possible to locate the few places on the body of an airplane, while it is flying through high clouds, from which broad-band, pulsed, radiation is emitted at Very High Frequency…Olaf Scholten, Marten Lourens, Stijn Buitink et al.·Sep 20, 2025SaveLearn
Data-Driven Reduced-Order Modeling of Phase Mixing Dynamics from Particle Kinetic SimulationPhase mixing is a fundamental kinetic process that governs dissipation and stability in collisionless plasmas, but its inherent filamentation in velocity space creates major challenges for both…Darian Figuera-Michal, Sungpil Yum, Jae-Min Kwon et al.·Sep 20, 2025SaveLearn
Electron-positron pair generation using a single kJ-class laser pulse in a foam-reflector setupWe investigate the process of creating electron-positron pairs from laser-matter interaction in pre-ionised foam targets using particle-in-cell simulations. A high-intensity laser pulse drives…Oliver Mathiak, Lars Reichwein, Alexander Pukhov·Sep 19, 2025SaveLearn
The Role of Phase and Spatial Modes in Wave-Induced Plasma TransportWe derive a two-dimensional symplectic map for particle motion at the plasma edge by modeling the electrostatic potential as a superposition of integer spatial harmonics with relative phase shift,…L. F. B. Souza, Y. Elskens, R. Egydio de Carvalho et al.·Sep 19, 2025SaveLearn