High fidelity simulations of the multi-species Vlasov-Maxwell system with the Numerical Flow IterationValidity of fluid models breaks down for non-thermal or weakly collisional plasmas which often occur e.g. in the solar wind. In these regimes one has to resort to modelling through the…Rostislav-Paul Wilhelm, Fabio Bacchini·Nov 28, 2025SaveLearn
Experimental study of argon gas breakdown with symmetric and asymmetric electrode configurationsPaschen law relates the breakdown voltage of a gas to the product of gas pressure and inter-electrode distance, predicting a characteristic minimum voltage at a specific pd value. In this study, the…Hridya P, Mangilal Choudhary·Nov 28, 2025SaveLearn
Solving the six-dimensional Vlasov-Maxwell System with Active Flux and Splitting MethodsActive Flux (AF) is a modified Finite Volume method that evolves additional Degrees of Freedom (DoF) located on the cell interfaces to compute high-order approximations to the numerical fluxes…G. Grünwald, L. Hensel, M. Deisenhofer et al.·Nov 27, 2025SaveLearn
Shear Alfv\'en Waves in Chaotic Magnetic FieldsThe shear Alfv\'en spectrum is computed in the presence of symmetry breaking perturbations that introduce chaotic magnetic field trajectories. Quadratic flux minimised surfaces allow the creation of…Matthew Thomas, Zhisong Qu, Matthew Hole·Nov 26, 2025SaveLearn
Thermodynamically Consistent Vibrational-Electron Heating: Generalized Derivation for Excited State PopulationsAccurate prediction of electron temperature (T e) in non-equilibrium plasma flows is critical for applications ranging from hypersonic flight to plasma-assisted combustion. We recently…Bernard Parent, Felipe Martin Rodriguez Fuentes·Nov 26, 2025SaveLearn
FPGA-Accelerated Real-Time Beam Emission Spectroscopy Diagnostics at DIII-D Using the SLAC Neural Network Library for ML InferenceAchieving reliable real-time control of tokamak plasmas is essential for sustaining high-performance operation in next-generation fusion reactors. A major challenge is the accurate and timely…Abhilasha Dave, James Russell, Mudit Mishra et al.·Nov 26, 2025SaveLearn
GANDALF: A hardware-agnostic spectral solver for kinetic reduced MHD turbulenceWe present GANDALF, a JAX-based spectral solver for Kinetic Reduced MHD (KRMHD) turbulence designed to lower infrastructure barriers to plasma turbulence research. Existing production codes require…Anjor Kanekar·Nov 26, 2025SaveLearn
Isotope Production in Muon-Catalyzed-Fusion SystemsProducing valuable isotopes with high-flux high-energy neutrons generated by muon-catalyzed fusion (μCF) reactions could substantially improve the economic prospects for muon-catalyzed fusion.…J. F. Parisi, A. Rutkowski·Nov 26, 2025SaveLearn
Microphysical boundary condition for the electron kinetics of a plasmaWe derive and implement a suitable boundary condition for the kinetic description of the electrons inside a plasma, which takes into account microphysical processes inside the wall. It is based on…Felix Willert, Clemens Hoyer, Gordon K. Grubert et al.·Nov 25, 2025SaveLearn
The PLUTO Code on GPUs: A First Look at Eulerian MHD MethodsWe present preliminary performance results of gPLUTO, the new GPU-optimized implementation of the PLUTO code for computational plasma astrophysics. Like its predecessor, gPLUTO employs a…Marco Rossazza, Andrea Mignone, Matteo Bugli et al.·Nov 25, 2025SaveLearn
Collisionless Shocks Mediated by Shear-Flow Magnetic Fields in Ultraintense-Laser-Produced Counter-Streaming PlasmasThe formation of ion-Weibel-mediated collisionless shocks (IW-CSs) in ultraintense-laser-produced counter-streaming plasmas is investigated using particle-in-cell simulations. Analysis of the…Jun-Yi Lu, Kai Wang, Jin-Long Jiao·Nov 25, 2025SaveLearn
Investigation of Inverse Bremsstrahlung Heating Driven by Broadband LasersBroadband lasers have become a key strategy for mitigating laser plasma instabilities in inertial confinement fusion, yet their impact on collisional inverse bremsstrahlung (IB) heating remains…Xiaoran Li, Jie Qiu, Liang Hao et al.·Nov 25, 2025SaveLearn
Two-Stream Instability and Bernstein-Greene-Kruskal Mode Formation in Coulomb One Component PlasmaWe investigate the Two-Stream Instability in a strongly coupled plasma using classical molecular dynamics simulations with long-range Coulomb interactions between particles. The nonlinear evolution…Ajaz Mir, Rauoof Wani, Sanat Tiwari et al.·Nov 24, 2025SaveLearn
Abnormal Polarity Effect on the DC Breakdown Voltage in Short SF6 GapIn this Letter, through the comparison between experiment and numerical simulation, we reveal the dynamic mechanism underlying the abnormal polarity effect in SF6 short-gap DC breakdown, as well as a…Zihao Feng·Nov 24, 2025SaveLearn
Physics-informed Neural Operator Learning for Nonlinear Grad-Shafranov EquationAs artificial intelligence emerges as a transformative enabler for fusion energy commercialization, fast and accurate solvers become increasingly critical. In magnetic confinement nuclear fusion,…Siqi Ding, Zitong Zhang, Guoyang Shi et al.·Nov 24, 2025SaveLearn
Bell Plesset Effects on Rayleigh Taylor Instability of Three Dimensional Spherical GeometryWe develop a weakly nonlinear, multi-mode theory for the Rayleigh-Taylor instability (RTI) on a time-varying spherical interface, fully incorporating mode couplings and the Bell-Plesset (BP) effects…Xilai Li, Yilin Wu, Zhengnuo Chen et al.·Nov 24, 2025SaveLearn
Ion Temperature Anisotropy Limits from Magnetic Curvature Scattering in Magnetotail Reconnection JetsIn collisionless plasmas, relaxation of the deviations of ion velocity distribution functions (VDFs) from local thermodynamic equilibrium occurs through particle interactions with electromagnetic…Louis Richard, Anton V. Artemyev, Cecilia Norgren et al.·Nov 24, 2025SaveLearn
Three Dimensional Effects on Proton Acceleration with Grooved Hydrocarbon TargetsRecently, using two-dimensional particle-in-cell simulations, it has been demonstrated that in laser based proton acceleration with micro-structured targets, a single rectangular groove on the target…Imran Khan, Mohammad Yasir, Vikrant Saxena·Nov 22, 2025SaveLearn
Investigating the growth cycles of titania and carbonaceous nano dusty plasmasSolid nanoparticles which range in size from 1 to 500 nm can spontaneously grow from reactive gaseous precursors in nonthermal plasmas. This dissertation studies the particle size, and growth time…Bhavesh Ramkorun·Nov 21, 2025SaveLearn
Efficient calculation of magnetic fields from ferromagnetic materials near strong electromagnets, and application to stellarator coil optimizationIn fusion reactor design, steels under consideration for the blanket are ferromagnetic, so the steel's effect on the plasma physics must be examined. For efficient calculation of these fields, we can…Matt Landreman, Humberto Torreblanca, Antoine Cerfon·Nov 21, 2025SaveLearn
Algorithms and optimizations for global non-linear hybrid fluid-kinetic finite element stellarator simulationsPredictive modeling of stellarator plasmas is crucial for advancing nuclear fusion energy, yet it faces unique computational difficulties. One of the main challenges is accurately simulating the…Luca Venerando Greco·Nov 20, 2025SaveLearn
Effects of Multi-scale Coupling on Particle Acceleration and Energy Partition in Magnetic ReconnectionThe interplay between kinetic and macroscopic scales during magnetic reconnection is investigated using particle-in-cell simulations of magnetic island coalescence in the strongly-magnetized,…Alexander Velberg, Adam Stanier, Xiaocan Li et al.·Nov 20, 2025SaveLearn
Material processing by laser-plasma-filament-guided high voltage dischargesWe investigate ablation experiments performed by laser-plasma-filament guided electrical discharges at high-voltages of up to 145 kV. The guiding was accomplished via fs-laser-generated plasma…Kristian Cvecek, Markus Döring, Alexander Romboy et al.·Nov 19, 2025SaveLearn
Characterisation of X- and O-points in Wendelstein 7-X with respect to coil currentsThis work analyses vacuum magnetic field topology in Wendelstein 7-X (W7-X) with respect to changes in the current in the superconducting coils. We develop a fast automated scheme to locate fixed…Robert Davies, Christopher B. Smiet, Charlotte Batzdorf et al.·Nov 19, 2025SaveLearn
Impact of edge turbulence spreading on broadening the heat flux width with plasma approaching the density limitThis paper investigates the impact of edge turbulence spreading on broadening the heat flux width in Ohmic-plasma approaching the density limit of the J-TEXT tokamak. At the plasma edge, the EXB…T. Wu, P. H. Diamond, L. Nie et al.·Nov 19, 2025SaveLearn