SafeDivertor: Faithful Divertor Heat Flux Reconstruction from Macroscopic Plasma State Signals via Time-Frequency Prior ExploitationDivertor heat-flux analysis is essential for understanding plasma-wall interactions and protecting plasma-facing components in magnetic-confinement fusion devices, while conventional infrared-based…Hao Si, Zehua Chen, Qingquan Yang et al.·Aug 6, 2026SaveLearn
BORAY-3D: A ray tracing code for three-dimensional magnetized plasma configurationsRay tracing codes are useful tools for studying electromagnetic wave propagation and absorption using the geometrical-optics approximation. Existing codes commonly provide either broad…Yuxuan Wang, Huasheng Xie·Aug 6, 2026SaveLearn
Millisecond-Scale Neural Operator Surrogates for Double-Null Free-Boundary Grad-Shafranov EquilibriaThe Grad-Shafranov (GS) equation governs ideal magnetohydrodynamic equilibrium in tokamak plasmas. Free-boundary GS solvers are central to diverted-equilibrium modeling, but nonlinear Picard…Plamen G. Krastev·Aug 6, 2026SaveLearn
Microwave Resonant Discharges for Spatiotemporally Selective Plasma Breakdown Near SurfacesGenerating non-equilibrium plasmas close to surfaces remains a significant challenge for conventional plasma sources. Existing plasma generation schemes create volumetric discharges with limited…Arnav Mohapatra, Joshua K. Goodrich, Usman Humayun et al.·Aug 6, 2026SaveLearn
Geodesic extended modes in low magnetic shear tokamaks and stellaratorsTheories of ion-scale microinstabilities in tokamaks and stellarators typically assume that the passing electrons respond adiabatically due to their fast propagation speed. However, when the magnetic…Richard Nies, Felix Parra·Aug 6, 2026SaveLearn
A plasma photocathode for spin-polarized electron beams via state-selected hydrogen halide photofragmentsSpin-polarized electron beams are essential tools for probing fundamental symmetries and for the search beyond the Standard Model. While plasma-based accelerators are a promising pathway towards…Lars Reichwein, Thomas C. Wilson, Dimitris Sofikitis et al.·Aug 5, 2026SaveLearn
On the relationship between the gain of Stimulated Raman Backscatter of a short-pulse laser in a plasma and the Pierce parameter for XFELsIt is shown that the convective gain of Stimulated Raman Backscatter (SRBS) within a single laser wavelength in the strongly coupled regime is equivalent to the Pierce parameter commonly used to…Xinlu Xu, Warren Mori·Aug 5, 2026SaveLearn
Polarization-resolved attosecond gamma-ray emission from few-cycle laser interactions with cone targetsLinearly polarized attosecond γ-ray pulses in the MeV range are generated from a cone target irradiated by a single few-cycle laser pulse. Electron layers are periodically extracted from the cone…De-Sheng Zhang, Cui-Wen Zhang, Xue-Ren Hong et al.·Aug 5, 2026SaveLearn
Transition of Magnetic Reconnection Regimes in Partially Ionized PlasmasMagnetic reconnection in partially ionized plasmas plays a crucial role in a wide range of solar, astrophysical, and laboratory environments. While reconnection in such plasmas is commonly…Liang Wang, Chuanfei Dong, Yi-Min Huang et al.·Aug 5, 2026SaveLearn
From Coils to Surface Recession: Multiphysics Simulation of Ablation in ICP Wind TunnelsThis work presents a multi-solver, coupled computational framework for predicting the thermo-chemical material response of thermal protection systems in inductively coupled plasma (ICP) wind tunnels.…Sanjeev Kumar, Alessandro Munafo, Blaine Vollmer et al.·Aug 5, 2026SaveLearn
A New Approach to Compute Linear Landau DampingWe present a semi-analytical method for calculating exact time-domain solutions to linear Landau-damping problems. Unlike traditional residue-based approaches, our framework avoids the need to…M. Pelkner, K. Hallatschek, M. Raeth·Aug 5, 2026SaveLearn
Computational Methods and GPU Acceleration in Plasma Physics: A Empirical Analysis of arXiv Publications and Research TrendsComputational plasma physics increasingly relies on high-performance computing (HPC) methods, including particle-in-cell (PIC), gyrokinetic, and magnetohydrodynamic (MHD) simulations, yet field-wide…Jeremy J. Williams, Anders Brostrom, Stefano Markidis·Aug 4, 2026SaveLearn
Development of Thomson parabola spectrometer for diagnostics of ions driven by ultrahigh intensity laser: Simulations and numerical analysisA Thomson parabola ion spectrometer (TPIS) has been designed and developed for diagnostics of laseraccelerated ion beams in the MeV energy range. The TPIS has been validated by ion acceleration…Kavil Mehta, Jatin Parashar, Shivangi Bidoliya et al.·Aug 4, 2026SaveLearn
Synthetic Diagnostic Modeling for Plasma Tomography: Geometry Matrix Computation Methods and Impact of Model AccuracyTomographic emissivity reconstruction from plasma diagnostics data relies on a synthetic model mapping the plasma emissivity to the measured signals. The model, referred to as a geometry matrix in…D. Hamm, G. Partesotti, C. Theiler et al.·Aug 4, 2026SaveLearn
Generation-Resolved Signatures in QED Cascades: Diagnostics for Ultraintense Laser ParametersWe present a generation-resolved analysis of shower-type, spin- and polarization-dependent quantum electrodynamics (QED) cascades initiated by head-on collisions of ultraintense laser pulses ($a0 =…Ke-Jia Wei, Feng Wan, Hao-Tian Wang et al.·Aug 4, 2026SaveLearn
Radiation reaction in the classical relativistic Størmer problemWe extend the classical relativistic Størmer problem by incorporating radiation reaction through the Landau--Lifshitz formulation, thereby providing a self-consistent description of dissipative…Francisco S. N. Lobo, Tiberiu Harko·Aug 4, 2026SaveLearn
Generation of dense relativistic electron beams via vortex laser-driven self-generated magnetic pinchingIn multi-petawatt laser plasma accelerators, achieving high-density relativistic electron beams is typically accompanied by large transverse divergence, limiting the attainable effective electron…Mingxuan Wei, Fengyu Sun, Zhongpeng Li et al.·Aug 4, 2026SaveLearn
Quasi-single-stage optimization for advanced stellaratorsAdvanced stellarator design requires a balance between plasma performance and the manufacturability of three-dimensional modular coils. In conventional two-stage optimization, the coils required to…Guodong Yu, Yidong Xie, Hengqian Liu et al.·Aug 4, 2026SaveLearn
Direct Optimization of Stellarator Omnigenity from the Second Adiabatic InvariantStellarators offer a steady-state, disruption-free path to fusion energy but suffer from enhanced particle losses due to their three-dimensional geometry. Existing optimization methods rely on…Hanlin Chen, Zhiyuan Lu, Guosheng Xu et al.·Aug 4, 2026SaveLearn
Pfirsch-Schlüter CurrentThe Pfirsch-Schlüter current is a current that flows along the magnetic field lines in a toroidal plasma equilibrium that is required to make the plasma current density divergence free in the…Allen H Boozer·Aug 4, 2026SaveLearn
A theoretical model for quantifying the imprinting sensitivity of direct-drive inertial confinement fusion implosionsTo quantify the sensitivity of diverse implosion designs to laser imprinting, we developed an equivalent perturbation model that maps laser imprinting as the initial target surface perturbation. By…Dongxue Liu, Jiaqin Dong, Yunxing Liu et al.·Aug 4, 2026SaveLearn
Radial transport of electric current by electromagnetic microturbulence in tokamaksThe turbulent transport of toroidal angular momentum helps determine the rotation profiles of tokamak plasmas, and thereby their confinement and stability. The electron contribution therein has an…Haomin Sun, Toby Adkins, Justin Ball et al.·Aug 3, 2026SaveLearn
Mass Spectrometry Studies of Hydrogen Ions Energy Distributions in an ECR- based Large Volume Plasma SourcePlasma is produced in a Large Volume Plasma Source (LVPS; dia. = 1 m, height = 1m) using CW microwaves (= 400 - 600 W, 2.45 GHz), in a compact ECR plasma source (CEPS) attached to LVPS, at hydrogen…Bibekananda Naik, Ramesh Narayanan, Debaprasad Sahu et al.·Aug 3, 2026SaveLearn
Hybrid Kinetic-MHD Simulations of Drift-Orbit Effects on the Stability and Non-Linear Dynamics of Runaway Electron BeamsDuring tokamak disruptions, the Ohmic current may be replaced by a non-inductive runaway electron (RE) current, affecting resistive stability. Previous studies suggest that, in the linear phase, the…Shi-Jie Liu, Hao-Wei Zhang, Hannes Bergstroem et al.·Aug 3, 2026SaveLearn
AGNI: A differentiable MHD stability solver & optimizer for magnetic confinement fusion devicesThe existence of an ideal MagnetoHydroDynamic (MHD) equilibrium does not guarantee its stability. Finite toroidal mode number (n) instabilities degrade performance in both tokamaks and stellarators…Rahul Gaur, Sanket Patil, Prateek Gupta et al.·Aug 3, 2026SaveLearn