The Machine Learning Approach to Moment Closure Relations for Plasma: A ReviewThe requirement for large-scale global simulations of plasma is an ongoing challenge in both space and laboratory plasma physics. Any simulation based on a fluid model inherently requires a closure…Samuel Burles, Enrico Camporeale·Jun 18, 2026SaveLearn
Bayesian optimization of stellarator alpha-particle confinement using data-informed parameter spaces and dimensionality reductionModern stellarators are typically designed by optimizing the shape of the plasma boundary surface, with the parameters taken to be Fourier amplitudes. Many promising optimization algorithms such as…Matt Landreman, Michael Czekanski, Andrew Giuliani et al.·Jun 17, 2026SaveLearn
Bivariate incomplete-Bessel kernels for the first nonlinear Vlasov-Maxwell responseThe weakly nonlinear response of a homogeneous magnetised plasma is usually written as a double cyclotron-harmonic expansion. This representation is explicit, but the repeated use of the Jacobi-Anger…Roberto Ricci·Jun 17, 2026SaveLearn
Wake Perturbations in Laser- and Beam-Driven Plasma Wakefield Accelerators: A Symmetry-Based Multipole ClassificationWe review beam-quality physics in laser-driven (LWFA) and beam-driven (PWFA) plasma wakefield accelerators through the symmetry group of the idealised blowout wake -- axisymmetry SO(2)ϕ,…Andrei C. Berceanu, Alessio Del Dotto·Jun 17, 2026SaveLearn
Criteria for the economic viability of fusion power plantsCommercial fusion energy requires frameworks to assess both the scientific and economic viability of a wide variety of fusion concepts. Inspired by the Lawson criterion's ability to universally…D. G. Whyte, A. Lo, R. Bielajew et al.·Jun 17, 2026SaveLearn
Rise Time Effects of a Portable Inductive Energy Storage Pulse Generator on NO Production in Spark DischargesThis study investigates pulse waveform adjustment in a portable inductive energy storage (IES) pulsed power system and its effect on nitric oxide (NO) generation in atmospheric spark discharges.…Cheng-Hsiao Hsueh, Yu-Hsuan Chen, Chao-Yu Chen et al.·Jun 16, 2026SaveLearn
Understanding and Quantifying Banana Coil Magnetic Fields and Forces for Enhanced OptimisationThe optimised tokamak-stellarator hybrid concept (Henneberg and Plunk 2024) has the potential to combine tokamak and stellarator advantages to achieve magnetically confined fusion. These compact…Annika Zettl, Tobias Schuett, Sophia Henneberg·Jun 16, 2026SaveLearn
Schrödinger equations and fluctuation theorems for collisionless plasma systemsThe fluctuation theorem and detailed fluctuation theorem are formulated for classical systems whose governing equations can be written in Schrödinger-type equations and which possess either a unitary…Hideo Sugama·Jun 16, 2026SaveLearn
First divertor exposure experiments of a renewable boron pebble aggregate in DIII-DBoron pebble aggregate was tested for the first time as a high-heat-flux granular plasma-facing material in a tokamak divertor. Exposures of up to q = 80…Erick Martinez-Loran, Angelica Ottaviano, Santhosh T. A. Kumar et al.·Jun 16, 2026SaveLearn
Pressure gradient-driven plasma flows and magnetogenesisWe present a self-consistent two-fluid theory demonstrating that pressure gradients simultaneously generate plasma flows and magnetic fields. We show that compatibility between ion momentum balance…Zain H. Saleem, Hamid Saleem·Jun 16, 2026SaveLearn
Linear and nonlinear characteristics of high frequency electrostatic drift waves in absence of collisionsHigh frequency electrostatic drift waves are shown as hybrid modes generated by mixing with cyclotron dynamics and grow at the expense of cyclotron modes due to mode coupling effects. The role of…Siba Prasad Acharya, M. S. Janaki·Jun 16, 2026SaveLearn
Time-dependent Trapped Plasmas: Nonlinear Dynamics, Symmetries and InvariantsWe investigate the nonlinear dynamics of a single-component plasma confined in a time-dependent harmonic trap regarding aspects of symmetry and invariant functions. The system is described as a fluid…Thonimar V. Alencar, Luiz Gustavo Ferreira Soares, Ronaldo Thibes·Jun 15, 2026SaveLearn
The Effect of Anomalous Resistivity on Tearing InstabilityWe study the modification of classical tearing instability due to anomalous resistivity by incorporating a variable, second-order resistivity model into the resistive magnetohydrodynamics (MHD)…D. Tsiklauri·Jun 15, 2026SaveLearn
Quasiparticles and ion cooling by an electron beam in a strong magnetic fieldThe frictional force arising from the interaction of ions with a magnetized electron beam in a strong magnetic field is investigated. The problem is reduced to the interaction of quasiparticles, or…D. M. Popov, A. I. Milstein·Jun 15, 2026SaveLearn
Ionization-Induced Electrostatic Hose Instability in Electron-Beam-Sustained PlasmasWe report the discovery of a previously unrecognized electrostatic hose instability in electron-beam-sustained plasmas, driven by the coupling between the electron beam centroid and the plasma…Jia-Hong Chen, Yi Yu, Jian Chen et al.·Jun 15, 2026SaveLearn
On modeling energetic electrons in laser fusion plasmasIt has been known for decades that laser fusion can be, and often is plagued by the production of energetic electrons.produced either by a instability or by the production of energetic electrons,…Wallace Manheimer·Jun 14, 2026SaveLearn
Investigation of Shock Wave Dynamics in Complex Plasma via Computational ModellingPiston-driven shock waves in dusty plasma monolayers have been observed experimentally and studied using molecular dynamics (MD) simulations. However, previous MD simulations were restricted to…Prateek Lamoria, Anton Kananovich, Surabhi Jaiswal·Jun 14, 2026SaveLearn
Bayesian optimization of double-pulse temporal shaping for enhanced target-normal-sheath proton acceleration under fixed laser energySplitting an ultrashort drive pulse into a weak leading pulse and a strong main pulse is known to raise the energy of protons accelerated by the target-normal-sheath-acceleration (TNSA) mechanism,…Chengqi-Zhang, Yang He, Mamat Ali Bake et al.·Jun 14, 2026SaveLearn
Axisymmetric reduction of the adjoint operator in ideal MHD equilibriumAdjoint formulations of magnetohydrodynamic (MHD) equilibrium are presented for sensitivity analysis and optimization-based equilibrium calculations. We derive the adjoint of the three-dimensional…Fumiya Tanji, Akinobu Matsuyama, Akio Sanpei et al.·Jun 14, 2026SaveLearn
Spectrally accurate, reverse-mode differentiable bounce-averaging algorithm and its applicationsWe present a fast, spectrally (exponentially) accurate, automatically differentiable bounce-averaging algorithm that is used to simplify kinetic models. Using this algorithm, implemented in the DESC…Kaya Unalmis, Rahul Gaur, Rory Conlin et al.·Jun 14, 2026SaveLearn
Effects of external magnetic field ripple on FRC equilibriumThe two-dimensional equilibrium of Field-Reversed Configuration (FRC) plasma in presence of an external ripple magnetic field is computed to show the emergence of multiple magnetic axes for hollow…Zitong Qu, Ping Zhu, Zhipeng Chen et al.·Jun 13, 2026SaveLearn
Numerical simulations of shock-driven, supersonic interstellar turbulence in colliding three-temperature laboratory plasmasShock-driven turbulence is central to astrophysical plasmas in which explosions and compressive driving inject energy through shocks rather than steady stirring. We present three-dimensional,…Stefano Merlini, James R. Beattie, Vicente Valenzuela-Villaseca·Jun 13, 2026SaveLearn
Kinetic Equilibrium Prediction at TCV using RAPTOR and FBTWe present results from a new Kinetic-Equilibrium Prediction (KEP) workflow and shot preparation for full TCV discharges, by coupling predict-first RAPTOR transport simulations with FBT inverse…C. E. Contré, A. Merle, O. Sauter et al.·Jun 13, 2026SaveLearn
Parametric instabilities of the inhomogeneous near SOL tokamak plasma, driven by the coupled effect of the high harmonic fast wave and of the ion and electron temperatures gradients, and anomalous heating of the near SOL ionsElectrostatic parametric instabilities in the inhomogeneous near-SOL tokamak plasma, driven by the combined action of a high-harmonic fast wave (HHFW) with a frequency near the 30th ion-cyclotron…V. V. Mikhailenko, V. S. Mikhailenko, Hae June Lee·Jun 12, 2026SaveLearn
Plasma Instabilities in Arbitrary Distributions: Comparison between ALPS and BODetermining accurate wave dispersion relations is a central problem in plasma physics. Recent advances have enabled the numerical computation of linear dispersion relation in plasmas with arbitrary…Xudong Guo, Huasheng Xie, Kristopher G. Klein et al.·Jun 12, 2026SaveLearn