Electromagnetically Driven Thermal Dissipation Scaling in Plasma Centrifuges for Mass SeparationElectromagnetically driven centrifuges (EMDCs) rotate fluids using the Lorentz force, but their separative performance is limited by thermal dissipation that is coupled to electromagnetic forcing.…Drue P. Hood-McFadden, Shreyas Kotla, Thomas C. Underwood·Aug 3, 2026SaveLearn
Numerical analysis of three-dimensional magnetohydrodynamic effects in an inductively coupled plasma wind tunnelThis paper introduces a three-dimensional model for the 350 kW Plasmatron X inductively coupled plasma facility at the University of Illinois Urbana-Champaign, designed for testing high-temperature…Sanjeev Kumar, Alessandro Munafo, Daniel J Bodony et al.·Aug 3, 2026SaveLearn
Sub-sonic compressible magnetohydrodynamic turbulence I. Alfvénic and fast-magnetosonic injection, amplitude dependence, and compressibility effectsWe investigate how sub-sonic compressible magnetohydrodynamic (MHD) turbulence properties that are relevant for cosmic-ray (CR) transport in the Galaxy are affected by the nature and amplitude of…Eleonora Puzzoni, Silvio Sergio Cerri, Dimitri Laveder et al.·Aug 2, 2026SaveLearn
Photon Orbital Angular Momentum Control by Electron Wavepackets in Nonlinear Compton ScatteringPhoton orbital angular momentum (OAM) generated in nonlinear Compton scattering has attracted considerable interest as a route toward vortex γ-ray sources. Existing theories describe photon OAM…Zheng-Yang Zuo, Peng-Pei Xie, Xiang-Nan Shi et al.·Aug 2, 2026SaveLearn
Two-fluid boundary turbulence simulations in reversed field pinch plasmasTurbulent transport in magnetic confinement fusion devices governs the overall plasma confinement properties and regulates the plasma-material interaction at the first wall. In the plasma boundary,…M. Giacomin, B. Momo, I. Predebon et al.·Aug 2, 2026SaveLearn
Investigation of high pressure capacitively coupled plasmas produced by electrons energized in DC sheath at powered electrodeA 13.56 MHz, capacitively coupled plasma is investigated experimentally to determine the power absorption mechanism across a wide pressure range (≈ 5 - 600 mTorr) at ≈ 10 W. Axial…Anuravi Sharma, Ramesh Narayanan, Arti Rawat et al.·Aug 2, 2026SaveLearn
Self-consistent modelling and qualitative comparison of mildly relativistic runaway electron dynamics with a closed flux surface formation model during tokamak startupA model for mildly relativistic Runaway Electrons (REs) is developed in a reduced-kinetic form and qualitatively compared with radiation characteristics observed in KSTAR ohmic startup. The mildly…Y. Lee, H. -T. Kim, P. C. de Vries et al.·Aug 2, 2026SaveLearn
Low-Order Bessel-Type PID Dynamics in Lithium-Based Tritium Breeding and Heat-Removal SystemsLithium plays a dual role in deuterium-tritium fusion systems by enabling tritium breeding in blankets and providing an efficient heat-removal medium in liquid-metal components. However, most…S. A. S. Borges, S. D. Campos·Aug 2, 2026SaveLearn
Ion stopping from bound and free electrons in plasmas: A channel-mixed RPA approach with average-atom orbitalsIon stopping in partially ionized plasmas often receives roughly equal contributions from bound and free electrons, yet bound electron contributions are usually treated at a very coarse level, with…Zachary A Johnson, Patrick J Adrian, Joshua A Leveillee et al.·Aug 1, 2026SaveLearn
Generation of period-tunable MeV few-attosecond electron pulse trains via counter-propagating lasersAttosecond electron pulses permit real-time probing of ultrafast material dynamics. However, generating few-attosecond electron pulses with MeV energies and low energy spread remains an enduring…Qi Huang, Qing Jia, Zhongxuan Wang et al.·Aug 1, 2026SaveLearn
Generation of Ultrabrilliant Positron Beam via Superponderomotive Injection in Laser Wakefield AccelerationPlasma-based acceleration of positrons attracts extensive interest owing to the ultrahigh accelerating gradient and ultrashort duration, while generating wakefield positron beam by the inherent…Ting Sun, Zhen-Ke Dou, Ya-Qing Huang et al.·Aug 1, 2026SaveLearn
On the ideal stability of the sheared-flow Z pinchSheared-flow Z-pinch stability has been studied within ideal MHD primarily through growth rate calculations, which find that even trans-Alfvénic sheared flows apparently fail to suppress the kink…Daniel W. Crews, Jackson C. Turner·Jul 31, 2026SaveLearn
Runaway Electrons in Stellarators: Unlikely or Unavoidable?Generation of relativistic runaway electrons has historically not been considered a possible problem in stellarators, but this may not hold in reactor-scale stellarators despite the lack of an…Ida Ekmark, Matt Landreman·Jul 31, 2026SaveLearn
A Neural Operator Closure for Landau Damping in Electrostatic PlasmaWe present a data-driven plasma fluid closure for both linear and nonlinear electrostatic Landau damping in one dimension. A Fourier Neural Operator (FNO) is trained online within a differentiable…Samuel Burles, Enrico Camporeale, Oreste Pezzi·Jul 31, 2026SaveLearn
Nonlinear polarization effects on plasma screening for fusion reactionsUsing a finite-temperature two-center Thomas-Fermi-Dirac model, we investigate nonlinear plasma screening effects on the fusion reactions D-T, 12C-12C, and p-11B. The effective…Hanxiang Huang, Binbing Wu, Zhengfeng Fan et al.·Jul 31, 2026SaveLearn
Comparative analysis of wavenumber response in phase contrast and spiral phase imaging systems for plasma diagnosticsPhase contrast imaging (PCI) has been used for decades to study plasma density fluctuations, but its wavenumber response k is constrained by the phase plate groove width and beam waist. Spiral…Jigme Zangpo, Hirokazu Kobayashi, Haruki Kawaguchi et al.·Jul 31, 2026SaveLearn
Proof of operation of a micro-hollow cathode discharge driven by a true ns-pulsed high voltage: emission properties and atomic nitrogen productionThe implementation of Micro-Hollow Cathode Discharges (MHCDs) for the efficient and controlled dissociation of molecular nitrogen into reactive N-atoms remains a central challenge in the synthesis of…Nikolaos Chazapis, Dimitrios Stefas, Alexandra Brisset et al.·Jul 31, 2026SaveLearn
Pulse Shaping Increases Efficiency in Pulsed Plasma AcceleratorsThe performance of a gas-fed pulsed electromagnetic thruster is governed by the ability to deposit electrical energy while propellant is available for acceleration. Current pulsed-power systems…Patrick W. Schools, Mammadbaghir Baghirzade, Ryan Heiser et al.·Jul 31, 2026SaveLearn
Numerical modeling and simulation on nanosecond laser-target interactionsNanosecond lasers are widely used in industrial applications as they are relatively inexpensive, and their compactness and robustness are an advantage. Much experimental work has been carried out to…Jian Wu, Ying Zhou, Minxin Chen et al.·Jul 30, 2026SaveLearn
Variational Formulation of a Hybrid Kinetic and Gyrokinetic Model for Astrophysical and Laboratory PlasmasWe present a Lagrangian model that encapsulates fully kinetic ions and gyrokinetic electrons for solar wind electromagnetic turbulence. Using a consistent method, where both electrons and protons are…F. N. deOliveira-Lopes, S. C. Thatikonda, D. Told et al.·Jul 30, 2026SaveLearn
Effect of confinement anisotropy on particle transport and structural relaxation of finite dust clusters in complex plasmaA finite dusty plasma cluster of charged microparticles confined in an anisotropic potential well is investigated experimentally and through Langevin dynamics simulations. As the confinement…Hirakjyoti Sarma, Sushree Monalisha Sahu, P. Bandyopadhyay et al.·Jul 30, 2026SaveLearn
The Second Quadratic Invariant of Astrophysical GyrokineticsWe show that gyrokinetics in a spatially uniform equilibrium (or `astrophysical gyrokinetics') possesses a previously unknown quadratic invariant, which we call the gyrokinetic helicity. We…Benjamin D. G. Chandran, Alfred Mallet, Romain Meyrand·Jul 30, 2026SaveLearn
Coaxial Gyromagnetic Nonlinear Transmission Line with a Slow-Wave Structure: 2D/3D FDTD ModelingA coaxial gyromagnetic nonlinear transmission line (GNLTL) enables pulse-front compression and oscillation packet generation in the 0.3-10 GHz range. Numerical modeling of such systems typically…Serhii Karelin, Ivan Onishchenko·Jul 30, 2026SaveLearn
Non-thermal electron cyclotron emission during runaway plateau in tokamak disruptions from a highly anisotropic dielectric tensorDuring the runaway plateau phase in a tokamak, a cold background electron temperature of O(1 eV) forbids the onset of kinetic instability due to strong collisional damping. Nevertheless, non-thermal…Yeongsun Lee, Kikyung Park, Tchanou Park et al.·Jul 30, 2026SaveLearn
A conserved thermo-mechanic invariant in extended fluid description of collisionless plasmasWe investigate linear perturbations of an incompressible, weakly collisional, anisotropic plasma in the low frequency limit using an extended 16-moment fluid description that retains parallel and…E. S. Uchava, A. G. Tevzadze·Jul 30, 2026SaveLearn