Operational measurement of relativistic equilibrium from stochastic fields aloneThe inverse-temperature four-vector βμ= uμ/(kB T0) has been the theoretically accepted description of relativistic equilibrium since van Kampen and Israel, yet no experiment has ever…Ira Wolfson·Jun 9, 2026SaveLearn
A Comprehensive Analytical Model of the Dynamic Z-PinchWe present an analytical 1D axisymmetric model describing the evolution of the dynamic z-pinch. This model is capable of predicting the trajectories of the imploding sheath's magnetic piston and…Alejandro Mesa Dame, Eric S. Lavine, David A. Hammer·Jun 9, 2026SaveLearn
Analysis of non-diffusive avalanche transport of energetic particlesThe dynamics of energetic particles (EPs) interacting with Alfvén eigenmodes (AEs) for the ITER 15MA baseline scenario was described using a reduced 1D model in [Carlevaro et al. PPCF 64, 035010…Nakia Carlevaro, Matteo V. Falessi, Giovanni Montani et al.·Jun 9, 2026SaveLearn
Fully-implicit Particle-in-Cell model of a Magnetic Nozzle with electromagnetic power depositionA fraction of the electromagnetic power used to generate and heat the plasma in helicon sources and electrodeless plasma thrusters can leak into the outer expansion region, interacting with the…Mario Merino, Juan Martín-Hernández, Pedro Jiménez-Jiménez et al.·Jun 8, 2026SaveLearn
The integral and correlation scales of solar wind turbulenceMany works have attempted to estimate the correlation and integral timescales associated with turbulent fluctuations in the solar wind, which are interpreted as length scales based on…Jean C. Perez, Sofiane Bourouaine, Mason Dorseth·Jun 8, 2026SaveLearn
A Numerical Experiment on Oscillatory Magnetic Reconnection in a Laboratory Plasma System Driven by Alternating CurrentsUsing the open source MPI-AMRVAC framework, we study oscillatory reconnection in a laboratory plasma, which occurs when a magnetic null is perturbed by incoming fast magnetoacoustic waves driven by…Sripan Mondal, Abhishekh Kumar Srivastava, Eric R. Priest·Jun 8, 2026SaveLearn
Nonlinear oscillations of the amplitude of energetic-particle induced geodesic acoustic modesEnergetic particle induced geodesic acoustic modes (EGAMs) are axisymmetric perturbations of the radial electric field in tokamak plasmas. They are driven unstable by the phase space nonuniformity of…E. Sida, A. Biancalani, A. Bottino et al.·Jun 8, 2026SaveLearn
Collisionless Bulk Electron Heating in Resonant Low-Voltage Capacitively Coupled PlasmasWe investigate collisionless power absorption in resonant, low-pressure capacitively coupled plasmas (CCPs). In these radio-frequency (RF) discharges, the sheath capacitance almost exactly balances…Sarveshwar Sharma, Igor D. Kaganovich, Animesh Kuley et al.·Jun 8, 2026SaveLearn
Experimental validation of a fast control-oriented, physics-informed surrogate model for plasma equilibrium reconstruction in the TCV tokamakMagnetic equilibrium reconstruction provides the plasma state estimate required for real-time shape control in tokamaks. We present a fast, physics-informed neural network surrogate of the…M. Grandin, A. Mele, C. Galperti et al.·Jun 8, 2026SaveLearn
Core-edge integrated modeling of ARC: on the effect of impurity transport and detachment conditionsIntegrated modeling of ARC H-modes has been conducted to assess the feasibility of high-performance scenarios compatible with divertor detachment. The analysis incorporates self-consistent evolution…Marco Muraca, Pablo Rodriguez-Fernandez, Nathaniel T. Howard et al.·Jun 8, 2026SaveLearn
Conservative Charge and Current Deposition on Nonuniform 3D Cylindrical PIC Meshes with Residual Self-Field DiagnosticsParticle-in-cell simulations on nonuniform cylindrical meshes require deposition schemes that respect cylindrical metrics while controlling numerical self-fields. This work develops…Zhe Liu, Zhijun Zhou, Yinjian Zhao·Jun 8, 2026SaveLearn
Design of a multifunctional Doppler backscattering diagnostic for the Pegasus-III ExperimentThe Doppler backscattering (DBS) diagnostic measures flows and electron density fluctuations. Recent work indicates that DBS can also infer the magnetic pitch angle (Yeoh et al., NF 2026). We present…E. Wikarta, U. Kumar, V. H. Hall-Chen et al.·Jun 8, 2026SaveLearn
A Reduced-Order Particle-in-Cell Method with Azimuthal Fourier-Decomposed Fields for Nominally Axisymmetric PlasmasA reduced-order Particle-in-Cell method is introduced for kinetic simulation of otherwise axisymmetric cylindrical plasmas that exhibit azimuthal instabilities. The method spatially decomposes all…Shaun Andrews·Jun 8, 2026SaveLearn
Multi-GPU Hybrid Particle-in-Cell Monte Carlo Simulations for Exascale Computing SystemsParticle-in-Cell (PIC) Monte Carlo (MC) simulations are central to plasma physics but face increasing challenges on heterogeneous HPC systems due to excessive data movement, synchronization…Jeremy J. Williams, Jordy Trilaksono, Stefan Costea et al.·Jun 8, 2026SaveLearn
High-dimensional inverse design of inertial fusion implosions via differentiable simulationInertial confinement fusion implosion design requires simultaneous optimisation of strongly coupled target and driver parameters across high-dimensional design spaces. Existing automated design…A. J. Crilly, P. Travis, J. P. Brodrick et al.·Jun 7, 2026SaveLearn
Direct experimental measurement of ion properties in extreme plasma conditionWe have demonstrated Laser Induced Fluorescence (LIF) in a Capacitively Coupled Plasma (CCP) discharge to directly measure the most crucial ion properties at a discharge regime suitable for a broad…Evan M. Aguirre, Surabhi Jaiswal, Sergey Khrapak et al.·Jun 7, 2026SaveLearn
Experiment-free disruption prediction for new devices enabled by synthetic diagnostic data augmentationDeep learning based approaches have shown great promise in cross-device disruption prediction for tokamaks, however, the robustness of these models heavily relies on massive amounts of training data.…Zhiqiang Liu, Fengming Xue, Shiwei Xue et al.·Jun 7, 2026SaveLearn
Wave instabilities in anisotropic regularized Kappa plasmas: New plasma dispersion functions and numerical validationPlasmas in space and astrophysical environments are frequently found in (quasi-)stationary states not in thermal equilibrium, indicated by velocity distribution functions (VDFs) featuring nonthermal…Rudi Gaelzer, Dustin L. Schröder, Marian Lazar et al.·Jun 6, 2026SaveLearn
Electrohydrodynamic coupling and stochastic branching in a miniaturized ns-pulsed He plasma jetThis study focuses on the complex coupling between discharge and flow properties in a ns-pulsed He micrometer scale atmospheric pressure plasma jet (μAPPJ). This is investigated by integrating…Y Agha, K Giotis, D Stefas et al.·Jun 5, 2026SaveLearn
Hybrid simulations of the proton beam instabilities in the young solar wind. The formation of hammerhead-like distributionsParker Solar Probe (PSP) observations in the young solar wind reveal new properties of both plasma particle velocity distributions (VDs) and associated electromagnetic (EM) wave fluctuations. The…R. A. López, Shaaban M. Shaaban, M. Lazar et al.·Jun 5, 2026SaveLearn
Impact of mechanical constraints on tokamak design and implications for high field power plantsTwo analytical models for sizing the toroidal field coils and central solenoid of a tokamak are developed within the D0FUS system code: a pedagogical thin-cylinder model and a refined thick-cylinder…Timothe Auclair, Baptiste Boudes, Jean-Luc Duchateau et al.·Jun 5, 2026SaveLearn
Multi-kilohertz laser plasma acceleration driven by an industrial-grade Yb:YAG laserLaser plasma accelerators (LPAs) are a promising platform for compact radiation sources. For a wide range of applications, including radiotherapy, ultrafast electron diffraction and time-resolved…Bonaventura Farace, Nikita Khodakovskiy, Rob Shalloo et al.·Jun 5, 2026SaveLearn
Asymptotic behavior of the shear flow reactivity enhancement effectFusion reactivity is enhanced in the vicinity of strongly sheared flow due to the tendency of fast ions near the Gamow peak to travel long distances between collisions, thereby sometimes crossing…Henry Fetsch, Nathaniel J. Fisch·Jun 5, 2026SaveLearn
Flow-Regulated Suprathermal Particle Acceleration in Weakly Collisional Astrophysical PlasmasWe investigate the formation of suprathermal particle populations in weakly collisional plasmas using a one-dimensional Fokker-Planck framework. A key element of this work is the introduction of a…Ji-Hoon Ha, Elena S. Volnova·Jun 5, 2026SaveLearn
A Deep Learning Approach to Describing the Plasma SheathDespite their ubiquity, the rich physics present in a plasma sheath has inhibited the development of a generally applicable description of this critical region. The present study utilizes a…Ethan Webb, Yuzhi Li, Christopher McDevitt·Jun 5, 2026SaveLearn