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
Assessing time-dependent temperature profile predictions using reduced transport models for high performing NSTX plasmasTime-dependent, predictive simulations were performed with the 1.5D tokamak integrated modeling code TRANSP on a large set of well-analyzed, high performing discharges from the National Spherical…J. B. Lestz, G. Avdeeva, T. F. Neiser et al.·Sep 4, 2025SaveLearn
Lagrangian features of turbulent transport in tokamak plasmasThis study investigates the Lagrangian properties of ion turbulent transport driven by drift-type turbulence in tokamak plasmas. Despite the compressible and inhomogeneous nature of Eulerian…D. I. Palade·Sep 4, 2025SaveLearn
Plasma wakefield: from accelerators to black holesCommemorating the 2024 S. Chandrasekhar Prize, this review provides a retrospective on the genesis and evolution of plasma wakefield acceleration. It traces the journey from prehistory and the…Pisin Chen, Yung-Kun Liu·Sep 4, 2025SaveLearn
Is There an Exact Magnetic-Moment for Charged Particle Motion in a Homogeneous, Time-Dependent Magnetic Field?The nonperturbative guiding-center model provides an exact alternative to full-orbit simulations of charged particle dynamics in situations where traditional guiding-center theory may fail. We…Michael Updike, Joshua Burby·Sep 3, 2025SaveLearn
The properties of resistive MHD modes and unstable spectra in advanced tokamak regimesAdvanced tokamak regimes, featuring extended regions of low magnetic shear, are promising candidates for future fusion reactors but are also more prone to specific kinds of MHD instabilities. The…M. Coste-Sarguet, J. P. Graves·Sep 3, 2025SaveLearn
Plasma lens for the focusing of positron bunchesThe development of effective focusing schemes for positron bunches in plasma accelerators remains a significant challenge, as nonlinear regimes fail to create stable focusing channels for positrons.…D. S. Bondar, C. A. Lindstrøm, V. I. Maslov et al.·Sep 3, 2025SaveLearn
Extended temporal coarse-graining in a stratified and confined plasma under thermal fluctuationsWe present an extended investigation of a recently introduced model of gravitationally confined, collisionless plasma (Barbieri et al. 2024a), which showed that rapid temperature fluctuations at the…Luca Barbieri, Simone Landi, Lapo Casetti et al.·Sep 3, 2025SaveLearn
Self-consistent generation of the ambipolar electric field in collisionless plasmas via multi-mode electrostaticsIn this work, we investigate the generation of the ambipolar electric field in a gravitationally stratified, collisionless plasma atmosphere. In such environments, gravity tends to separate charged…Luca Barbieri·Sep 3, 2025SaveLearn
Collision operator for electron runaway in cold weakly-ionized plasmasIn cold weakly-ionized plasmas, Dreicer generation mechanism can be non-diffusive as demonstrated in [Y. Lee et. al. Phys. Rev. Lett. 133 17 175102 (2024)]. By expanding the previous letter, we…Yeongsun Lee, Pavel Aleynikov, Peter de Vries et al.·Sep 3, 2025SaveLearn
SOLPS-ITER Numerical Simulations of ITER-scale Snowflake Divertors: Low-Field-Side SF-/SF+ and High-Field-Side SF-/SF+ ConfigurationsWith edge plasma code SOLS-ITER, we study four Snowflake (SF) configurations for an ITER-size tokamak, with toroidal magnetic field BT=5T, major radius R=5m and plasma current Ip=10MA. Our aim is to…H. S. Wu, F. Subba, M. R. K. Wigram et al.·Sep 2, 2025SaveLearn
One--Component Plasma Equation of State Revisited via Angular--Averaged Ewald PotentialWe present analytic fits of classical one--component plasma (OCP) internal energy over a wide range of coupling parameter 0.01Γ 170 using Monte--Carlo data in the thermodynamic limit. We…G. S. Demyanov, P. R. Levashov·Sep 2, 2025SaveLearn
Hot-Ion Modes in Globus-M2 and Saturation of Energy Confinement Time Scaling in Spherical Tokamaks with Toroidal Magnetic Field of 1 T and AboveIn a small spherical tokamak with minor radius of 0.22 m and toroidal magnetic field of 1 T, it is possible to heat ions of a sufficiently dense plasma to an extremely high temperature up to 50…G. S. Kurskiev, V. B. Minaev, N. V. Sakharov et al.·Sep 2, 2025SaveLearn