Technical Aspects of Plasma Operational Simulation (POPSIM): A Framework for Data-Driven Simulation and ControlThis paper reports on technical aspects of Plasma Operational Simulation (POPSIM), a research framework for data-driven simulation and control built in the machine learning framework JAX. The…Allen M. Wang, Zander Keith, Mark Dan Boyer et al.·Sep 12, 2025SaveLearn
Helical Field-Driven Translational-Rotational Conversion in ConductorsA theory of a new magnetodynamic effect describing the energy exchange between the degrees of freedom of a conducting cylinder moving in a helical magnetic field has been developed. The possibility…M. D. Tokman, V. L. Bratman, E. Magori et al.·Sep 12, 2025SaveLearn
Exploration on the Two-stream Instability in the Polar Cusp Under Solar Storm Disturbances and its Potential Impacts on SpacecraftDuring solar storms, the polar cusp often exhibits electron populations with distinct velocity distributions, which may be associated with the two-stream instability. This study reveals the evolution…Jikai Sun, Lei Chang, Yu Liu et al.·Sep 11, 2025SaveLearn
Exploration of novel ICP using helicon antennas with zero magnetic fieldInductively coupled plasma (ICP) attracts great attention from aspects of fundamental research and practical applications, and efficient power coupling is highly desirable for both of them. The…Ye Tao, Lei Chang, Dingzhou Li et al.·Sep 11, 2025SaveLearn
Optimal Landau-type closure parameters for two-fluid simulations of plasma turbulence at kinetic scalesTwo fluid simulations using local Landau-fluid closures derived from linear theory provide an efficient computational framework for plasma modelling, since they bridge the gap between computationally…Simon Lautenbach, Jeremiah Lübke, Maria Elena Innocenti et al.·Sep 10, 2025SaveLearn
Measurement of ion acceleration and diffusion in a laser-driven magnetized plasmaHere we present results from an experiment performed at the GSI Helmholtz Centre for Heavy Ion Research. A mono-energetic beam of chromium ions with initial energies of 450 MeV was fired…J. T. Y. Chu, J. W. D. Halliday, C. Heaton et al.·Sep 9, 2025SaveLearn
Modeling of convective cells, turbulence, and transport induced by a radio-frequency antenna in the tokamak boundary plasmaThe edge turbulence model Hermes (Dudson et al., 2017 Plasma Phys. Control. Fusion 59 05401) is set up for plasma boundary simulations with an RF antenna, using parameters characteristic of a tokamak…M. V. Umansky, B. D. Dudson, T. G. Jenkins et al.·Sep 9, 2025SaveLearn
Proton-Acoustic Wave Effects on the Relaxation of Proton Transverse Heating in Magnetized PlasmasTransverse electromagnetic and electrostatic plasma wave modes propagating along a background magnetic field B0 are independent according to linear kinetic theory. However, resonant…Martín A. Quijada, Pablo S. Moya, Roberto E. Navarro·Sep 9, 2025SaveLearn
Geometrical optics in phase spaceGeometrical optics (GO) is widely used for reduced modeling of waves in plasmas but fails near reflection points, where it predicts a spurious singularity of the wave amplitude. We show how to avoid…I. Y. Dodin, N. A. Lopez, Tingjing Xing et al.·Sep 9, 2025SaveLearn
Particle-In-Cell Informed Kinetic Modeling of Nonlinear Skin Effects in Low-Frequency Inductively Coupled PlasmasWe perform extensive 2D Particle-In-Cell (PIC) electromagnetic simulations of low pressure Inductively Coupled Plasma (ICP) discharges with various coil current and driving frequencies. Our…Haomin Sun, Jian Chen, Alexander Khrabrov et al.·Sep 9, 2025SaveLearn
Modeling Low-Temperature Plasmas Simulating Titan's AtmosphereIn the study presented here, we model the gas phase chemistry induced by plasma discharge at low temperature (150 K) in the NASA Ames COSmIC Simulation Chamber (COSmIC) using a 1-dimensional…David Dubois, Alexander W. Raymond, Ella Sciamma-O'Brien et al.·Sep 9, 2025SaveLearn
Unifying Kappa Distribution Models for Non-Equilibrium Space Plasmas: A Superstatistical Approach Based on MomentsFrom the perspective of non-equilibrium statistical mechanics, modeling the velocity distribution of particles in non-equilibrium, steady-state plasmas presents a significant challenge. Under this…Abiam Tamburrini, Sergio Davis, Pablo S. Moya·Sep 9, 2025SaveLearn
Study of a coaxial vacuum arc thruster plume and its interaction with applied magnetic fieldA hybrid model where ions are treated as particles and electrons with fluid equations for magnetized electron flux is adapted in order to simulate a vacuum arc source. This source is a candidate for…M Jimenez Diaz, L Garrigues, G J M Hagelaar et al.·Sep 8, 2025SaveLearn
Effect of superthermal electrons on the Quantum electron acoustic double layers in dense astrophysical plasmasElectron acoustic double layers (EADLs) have been investigated in four component unmagnetized dense quantum plasmas consisting of stationary background ions and two electron populations, cold and…Aakanksha Singh, Punit Kumar·Sep 8, 2025SaveLearn
Complete reflection of nonlinear electromagnetic waves in underdense pair plasmas enabled by dynamically formed Bragg-like structuresIn contrast to relativistically induced transparency in electron--ion plasmas, where nonlinear electromagnetic waves render initially opaque plasmas transparent, we show using kinetic simulations…Kavin Tangtartharakul, Alexey Arefiev, Maxim Lyutikov·Sep 7, 2025SaveLearn
Time-Embedded Convolutional Neural Networks for Modeling Plasma Heat TransportWe introduce a time-embedded convolutional neural network (TCNN) for modeling spatiotemporal heat transport in plasmas, particularly under strongly nonlocal conditions. In our earlier work, the…Mufei Luo, Charles Heaton, Yizhen Wang et al.·Sep 7, 2025SaveLearn
Resonance density range of absolute two-plasmon decay instabilityWe present a new insight into absolute two-plasmon decay (TPD) instability in nonuniform plasmas by identifying the resonance density range as the key parameter governing the growth of the resonant…C. Yao, J. Li, L. Hao et al.·Sep 7, 2025SaveLearn
Energy partitioning in electrostatic discharge with variable series load resistorThis paper presents an experimental investigation into the energy partitioning of quasi-static electrostatic discharge (ESD) events in air, a scenario in which the discharge occurs across a gap…Claudia A. M. Schrama, Calvin Bavor, P. David Flammer et al.·Sep 6, 2025SaveLearn
Hybrid Fourier Neural Operator-Plasma Fluid Model for Fast and Accurate Multiscale Simulations of High Power Microwave BreakdownModeling and simulation of High Power Microwave (HPM) breakdown, a multiscale phenomenon, is computationally expensive and requires solving Maxwell's equations (EM solver) coupled with a plasma…Kalp Pandya, Pratik Ghosh, Ajeya Mandikal et al.·Sep 6, 2025SaveLearn
Perpendicular ion heating in turbulence and reconnection: magnetic moment breaking by coherent fluctuationsWe study the interaction of an ion with a fluctuation in the electromagnetic fields that is localized in both space and time. We study the scale-dependence of the interaction in both space and time,…Alfred Mallet, Kristopher G. Klein, Benjamin D. G. Chandran et al.·Sep 5, 2025SaveLearn
Discharge structure hierarchy of highly electronegative plasma at low pressure and quasi-cold ion approximationIn this paper, the discharge structure of an Ar and SF inductively coupled plasma at the low pressure is investigated by mean of a fluid simulation at the quasi cold ion approximation with the room…Rui-Ji Tang, Shu-Xia Zhao, Yu Tian·Sep 5, 2025SaveLearn
Energy Confinement Time Scaling Law Derived from Paz-Soldan NF 2024Results from C. Paz-Soldan et al 2024 Nucl. Fusion 64 094002 demonstrate encouraging energy confinement properties for the negative triangularity scenario, similar to or exceeding the scaling of the…P. Lunia, A. O. Nelson, C. Paz-Soldan·Sep 4, 2025SaveLearn
Modulated deuteron spectra observed with the Magnetic Recoil neutron Spectrometer at the National Ignition FacilityThe Magnetic Recoil Spectrometer (MRS) on the National Ignition Facility is used to measure the neutron spectrum from deuterium-tritium fueled inertial confinement fusion implosions via n-d elastic…Bao Nguyen, Yousef Lawrence, Christopher Wink et al.·Sep 4, 2025SaveLearn
Estimation of Effective Viscosity to Quantify Collisional Behavior in Collisionless PlasmaWhile dissipation in collisional plasma is defined in terms of viscosity and resistivity, the exact functional form of dissipation i.e., the so-called dissipation function in nearly collisionless…Subash Adhikari, Carlos Gonzalez, Yan Yang et al.·Sep 4, 2025SaveLearn
Sensitivities of time-dependent temperature profile predictions for NSTX with the Multi-Mode ModelThe Multi-Mode Model (MMM) for turbulent transport was applied to a large set of well-analyzed discharges from the National Spherical Torus Experiment (NSTX) in order to evaluate its sensitivities to…J. B. Lestz, G. Avdeeva, S. M. Kaye et al.·Sep 4, 2025SaveLearn