Near-Wall Pathways of Anomalous Electron Transport in Hall Thrusters Revealed by 3D PIC SimulationsCross-field electron transport in Hall thrusters is widely attributed to high-frequency E× B instabilities, yet its net spatial pathway remains poorly resolved. Here we perform…Zhe Liu, Zhongping Zhao, Yinjian Zhao·Mar 16, 2026SaveLearn
Long lasting plasma density structures utilizing tailored density profilesUsing fully kinetic Particle In Cell simulations, we investigate the stability and performance of autoresonant plasma beat wave excitation in plasmas with tailored density profiles. We show that a…Mufei Luo, Caterina Riconda, Anna Grassi et al.·Mar 15, 2026SaveLearn
Reduced One-Fluid GENERIC Closure from Relativistic Moment KineticsIn this work we derive a reduced one-fluid plasma model from the relativistic Vlasov--Boltzmann--Maxwell system using a moment hierarchy reduction combined with strong-guide-field anisotropic…Madison J. Newell, Salman A. Nejad·Mar 15, 2026SaveLearn
Inertial-Range Suppression and Ponderomotive Density Cavitation in Broadband Sub-Alfv\'enic Turbulence under Plasma Sheet Boundary Layer ConditionsKinetic Alfv\'en waves (KAWs) are among the most pervasive electromagnetic fluctuations in magnetized astrophysical plasmas, from Earth's magnetosphere to galaxy clusters. Their ponderomotive…Mani K Chettri, Vivek Shrivastav, Britan Singh et al.·Mar 15, 2026SaveLearn
Strong gradient neoclassical transport in the plateau regimeStrong gradient regions in tokamaks such as the pedestal or internal transport barriers are regions of reduced turbulence where neoclassical transport can play a dominant role. In pedestals, gradient…Silvia Trinczek, Felix I. Parra, Peter J. Catto et al.·Mar 15, 2026SaveLearn
Enhancement of Proton Acceleration via Geometric Confinement in Near Critical Density-filled TargetsHigh-quality proton beams generated by laser-plasma interactions are of significant interest for applications ranging from tumor therapy to fast ignition in inertial confinement fusion. However,…Cheng-Qi Zhang, Yang He, Mamat Ali Bake et al.·Mar 14, 2026SaveLearn
Comprehensive full-f drift-kinetic and delta-f gyrokinetic simulations of a linear plasma device based on the gyro-moment approachFirst of a kind comprehensive full-f drift-kinetic (DK) and δ-f gyrokinetic (GK) turbulent simulations are carried out in a linear plasma device. We self-consistently derive an electrostatic…Jacob Emil Mencke, Paolo Ricci·Mar 13, 2026SaveLearn
Experimental Determination of Gamma-Ray Polarization in Strong-Field Nonlinear Compton ScatteringThe polarization of gamma rays produced in strong-field quantum electrodynamics (SFQED) is a fundamental and long-standing prediction, the verification of which has remained elusive, limiting both…Pengpei Xie, Mingyang Zhu, Xichen Hu et al.·Mar 13, 2026SaveLearn
On the timescales of controlled termination of tokamak plasmasThe RAPTOR code is used to model how the time required for controlled termination of Ohmic plasmas scales from present tokamaks like TCV and JET, to reactor-grade tokamaks like ITER and DEMO. We show…Simon Van Mulders, Olivier Sauter·Mar 13, 2026SaveLearn
Weibel Instability in Collisionless Plasmas Across Astrophysical and Laboratory ShocksWe present a cold-fluid analysis of the purely transverse Weibel (current-filamentation) instability across four regimes: non-relativistic (NR) single-species, NR multi-species, relativistic…Vivek Shrivastav, Mani K Chettri, Hemam D Singh et al.·Mar 13, 2026SaveLearn
Mercier--Cotsaftis and Grad--Shafranov equations for anisotropic plasmaIn this brief review, the historical aspects of the generalization of the Grad--Shafranov equation to the case of anisotropic plasma are discussed.Igor Kotelnikov·Mar 13, 2026SaveLearn
Non-dimensional confinement scaling in similar negative triangularity plasmas on the DIII-D and TCV tokamaksSimilarity experiments were performed on the DIII-D and TCV tokamaks to explore the scaling of energy confinement in negative triangularity plasmas using non-dimensional variables. Near up-down…A. Marinoni, C. Chrystal, S. Coda et al.·Mar 12, 2026SaveLearn
Combination of quasi-isodynamic and piecewise omnigenous magnetic fieldsDue to their simultaneous optimization for radial and parallel neoclassical transport, quasi-isodynamic fields have been the main choice of stellarator magnetic configuration for most fusion reactor…J. L. Velasco, I. Calvo, V. Fernández-Pacheco et al.·Mar 12, 2026SaveLearn
Optimization of stellarator configurations combining omnigenity and piecewise omnigenityWe present a method for optimizing stellarator configurations that combine omnigenity and piecewise omnigenity (pwO). Within the OOPS optimization framework [Liu et al.,…Hengqian Liu, Guodong Yu, José Luis Velasco et al.·Mar 12, 2026SaveLearn
Infrared Thermography in the Tokamak \`a Configuration VariableIn the Tokamak \`a Configuration Variable (TCV), infrared thermography (IR) is currently composed of the horizontal, vertical, and tangential infrared systems (HIR, VIR, TIR), which all use Equus 81k…M. Zurita, H. Reimerdes, C. Colandrea et al.·Mar 12, 2026SaveLearn
Real-time Tomography-based Bayesian Inference from TCV Bolometry DataRadiated power information is crucial to diagnose and optimize the performance of fusion plasmas. Traditionally, at the TCV tokamak, radiated power analysis has only ever been possible following…D. Hamm, C. Theiler, L. Simons et al.·Mar 12, 2026SaveLearn
Designing A Buildable Optimized Stellarator to Confine Electron-Positron PlasmasIn this paper, the design of the the plasma equilibrium and superconducting coils for the Electrons and Positrons in an Optimized Stellarator EPOS experiment is presented. With newly developed…Pedro F. Gil, Jason Smoniewski, Paul Huslage et al.·Mar 12, 2026SaveLearn
Stochastic single-stage stellarator optimization using fixed-boundary equilibriaIn this paper, single-stage stellarator optimization is combined with stochastic coil optimization to improve the robustness of the stellarator as compared to deterministic methods. The plasma…Pedro F. Gil, Jason Smoniewski, Rogerio Jorge et al.·Mar 12, 2026SaveLearn
Tearing Stability Prediction Combining Toroidal Calculations With a Two-Fluid Slab LayerA new classical TM stability simulation workflow has been developed that solves the resistive inner-layer equations in a plasma slab to yield a linear, quasi-toroidal TM growth rate γ and mode…D. A. Burgess, N. C. Logan, J. -K. Park et al.·Mar 12, 2026SaveLearn
Design and mechanical analysis of the PRAGYA tokamak vacuum vesselPRAGYA is India's first privately developed low aspect ratio tokamak designed by Pranos Fusion Energy. The device is designed for a plasma major radius (R0) of about 0.4 m, a plasma minor radius (a)…Ravi Gupta, Rahul Babu Koneru, Saptarshi Rajan Sarkar et al.·Mar 12, 2026SaveLearn
Differentiable Programming for Plasma Physics: From Diagnostics to Discovery and DesignDifferentiable programming, enabled by automatic differentiation (AD), provides a robust framework for gradient-based optimization in computational plasma physics. While optimization is often only…A. S. Joglekar, A. G. R. Thomas, A. L. Milder et al.·Mar 11, 2026SaveLearn
On the evolution of a large-amplitude, weakly-collisional electron plasma waveVlasov-Poisson-Fokker-Planck (VPFP) simulations of large-amplitude electron plasma waves, where the bounce frequency is much larger than the collision frequency, ωB ee, show…A. S. Joglekar, A. G. R. Thomas·Mar 11, 2026SaveLearn
Existence domains of arbitrary amplitude nonlinear structures in two-electron temperature space plasmas. II. High-frequency electron-acoustic solitonsA three-component plasma model composed of ions, cool electrons, and hot electrons is adopted to investigate the existence of large amplitude electron-acoustic solitons not only for the model for…S. K. Maharaj, R. Bharuthram, S. V. Singh et al.·Mar 11, 2026SaveLearn
Interpretive Modeling of plasma evolution during fueling experiments at CMFXThe Centrifugal Mirror Fusion Experiment (CMFX) is an axisymmetric magnetic mirror with a central cathode which generates an azimuthal, radially sheared, supersonic \( E × B \) flow. The induced…S. Mackie, J. G. van de Lindt, J. L. Ball et al.·Mar 10, 2026SaveLearn
Mode-Selective Laser Propagation and Absorption in Strongly Magnetized Inhomogeneous PlasmaWe systematically investigate the field-aligned propagation and collisional absorption of normally incident laser light in a strongly magnetized inhomogeneous plasma. Analytical expressions for…Kun Li, Wuhan Wu, Yuxi Li et al.·Mar 10, 2026SaveLearn