Predicting Plasma Temperature From Line Intensities Using ML ModelsIn this work, ML models were used to predict the plasma temperature using the dataset obtained by implementing the CR-model for Na-like Krypton. The models included in the study are: Linear…Ashwini Malviya·May 2, 2025SaveLearn
Path to a Single-Stage, 100-GeV Electron Beam via a Flying-Focus-Driven Laser-Plasma AcceleratorDephasingless laser wakefield acceleration (DLWFA), a novel laser wakefield acceleration concept based on the recently demonstrated "flying focus" technology, offers a new paradigm in…J. L. Shaw, M. V. Ambat, K. G. Miller et al.·Apr 30, 2025SaveLearn
TRIMEG-GKX: an electromagnetic gyrokinetic particle code with a Piecewise Field-Aligned Finite Element Method for Micro- and Macro-Instability Studies in Tokamak Core PlasmasThe features of the TRIMEG-GKX code are described with emphasis on the exploration using novel/different schemes compared to other gyrokinetic codes, particularly the use of object-oriented…Zhixin Lu, Guo Meng, Roman Hatzky et al.·Apr 30, 2025SaveLearn
The effect of neon seeding on plasma edge transport in EASTThe effect of neon seeding on different transport mechanisms in EAST is investigated by analyzing SOLPSITER simulations. By evaluating the agreement between experimental observations and the…Dieter Boeyaert, Stefano Carli, Wouter Dekeyser et al.·Apr 30, 2025SaveLearn
No Evidence of Anomalous Diffusion in Yukawa CrystalsDiffusion in Yukawa crystals is stochastic due to the thermally activated formation of vacancy-interstitial pairs, which have poor statistics in simulations. This makes it difficult to argue if…Matthew E. Caplan, Dany Yaacoub·Apr 30, 2025SaveLearn
Extended self-similarity in two-dimensional complex plasmasSelf-similarity is a property of an object or process wherein a part is similar to the whole. Mathematically, it can often be expressed as a power-law scaling of the quantity of interest. Extended…Volodymyr Nosenko·Apr 30, 2025SaveLearn
Evaluation and Verification of Physics-Informed Neural Models of the Grad-Shafranov EquationOur contributions are motivated by fusion reactors that rely on maintaining magnetohydrodynamic (MHD) equilibrium, where the balance between plasma pressure and confining magnetic fields is required…Fauzan Nazranda Rizqan, Matthew Hole, Charles Gretton·Apr 29, 2025SaveLearn
Inference of the degree of dissociation of weakly collisional hydrogen plasmas using collisional-radiative modelsA new analysis technique for the inference of degree of dissociation of weakly collisional hydrogen plasmas was developed and tested with an experiment. Neutrals in low temperature plasmas are…Bin Ahn·Apr 29, 2025SaveLearn
Electron magnetization effects on carbonaceous dusty nanoparticles grown in Ar/C2H2 capacitively coupled nonthermal plasmaCarbonaceous dusty nanoparticles spontaneously grow in nonthermal plasmas from a gas mixture of argon and acetylene. These particles levitate and grow within the bulk plasma for a duration known as…Bhavesh Ramkorun, Saikat C. Thakur, Ryan B. Comes et al.·Apr 29, 2025SaveLearn
Pinpointing energy transfer mechanisms in the quenching process of microwave air plasmaA time-dependent multi-temperature quenching model at atmospheric pressure, incorporating chemical and vibrational kinetics, is introduced. The model provides insights into the pathways of NOx…Q. Shen, A. Pikalev, F. J. J. Peeters et al.·Apr 29, 2025SaveLearn
Desynchronization in multilayer p-i-n drift step recovery diodeThe impact semiconductor drift step recovery diodes (DSRDs) can have on high-power microwave applications make them a device of interest for future solid-state electronics. However, there is little…Jorge Pena Lozano, Kindred Griffis, Dimash Aimurzayev et al.·Apr 29, 2025SaveLearn
Interaction of Laguerre-Gaussian laser pulses with borane targets of different hydrogen-boron ratioWe study the interaction of high-intensity Laguerre Gaussian laser pulses with hydrogen-boron compounds targets using 3D particle-in-cell simulations. The ratio of hydrogen to boron is varied…Lars Reichwein, Alexander Pukhov, Markus Büscher·Apr 28, 2025SaveLearn
HIPED: Machine Learning Framework for Spherical Tokamak Pedestal Prediction and OptimizationWe introduce a Machine Learning framework, HIPED (HeIght and width Predictor for Edge Dynamics), for predicting and optimizing pedestal and core performance in spherical tokamak plasmas. Trained on…J. F. Parisi, J. G. Clark, J. W. Berkery et al.·Apr 28, 2025SaveLearn
Nonlinear Power Absorption in CCRF Discharges: Transition from Symmetric to Asymmetric ConfigurationsThis work builds upon previous studies of nonlinear dynamics in low-pressure capacitively coupled radio-frequency discharges, focusing on the electron power absorption mechanism in discharges with…Katharina Noesges, Thomas Mussenbrock·Apr 28, 2025SaveLearn
The effect of ion rotational flow on Hall thruster azimuthal instability via two dimensional PIC simulationsPrevious experimental studies have found that the neutral gas rotational flow in the opposite direction of electron Hall drift can lead to better experimental results comparing to the same direction.…Zhijun Zhou, Lihuan Xie, Xin Luo et al.·Apr 28, 2025SaveLearn
Explosive growth of large-scale magnetic fluctuations due to particle scattering on developed small-scale Weibel turbulence in magnetoactive plasmaThe analytical theory of non-linear generation of large-scale magnetic turbulence in anisotropic magnetoactive plasma in the quasilinear approximation without taking into account the direct…N. A. Emelyanov, Vl. V. Kocharovsky·Apr 27, 2025SaveLearn
Laser focusing equivalence behavior of mass-limited targets in laser particle accelerationThe generation of 200 MeV class protons by irradiating a 25 J laser pulse onto a water target using three-dimensional particle-in-cell simulation is shown. Two types of targets -- foil and disk --…Toshimasa Morita·Apr 27, 2025SaveLearn
Quasilinear interaction between Langmuir and Weibel turbulence in a beam-plasma systemTo analyze the joint development of two-stream and filamentation kinetic instabilities in a plasma with a particle beam, a quasilinear approach has been developed that accounts for the integral…A. A. Kuznetsov, Vl. V. Kocharovsky·Apr 26, 2025SaveLearn
Ion Mix Can Invert Centrifugal ConfinementCentrifugal plasma traps, in which plasma is confined partly by centrifugal forces, represent a possible path to fusion energy production. In centrifugal plasma traps, electric fields naturally arise…E. J. Kolmes, I. E. Ochs, N. J. Fisch·Apr 25, 2025SaveLearn
Universal relations between parallel and perpendicular spectral power law exponents in non-axisymmetric magnetohydrodynamic turbulenceFollowing a general heuristic approach, algebraic constraints are established between the parallel and perpendicular power-law exponents of non-axisymmetric, highly aligned magnetohydrodynamic…Ramesh Sasmal, Supratik Banerjee·Apr 25, 2025SaveLearn
Anomalous lepton acceleration in the radiation reaction dominated reflection regimeRelativistic electrons colliding with intense counterpropagating laser pulses are expected to lose energy through radiation reaction. However, we reveal a counterintuitive regime where reflected…Xiaofei Shen, Yue-Yue Chen, Karen Z. Hatsagortsyan et al.·Apr 25, 2025SaveLearn
Collisionless ion-electron energy exchange in magnetized shocksEnergy partition between ions and electrons in collisionless shocks has long been an unsolved fundamental physical problem. We show that kinetic simulations of moderate Alfvénic Mach number,…Y. Zhang, P. V. Heuer, H. Wen et al.·Apr 24, 2025SaveLearn
Plasma State Monitoring and Disruption Characterization using Multimodal VAEsWhen a plasma disrupts in a tokamak, significant heat and electromagnetic loads are deposited onto the surrounding device components. These forces scale with plasma current and magnetic field…Yoeri Poels, Alessandro Pau, Christian Donner et al.·Apr 24, 2025SaveLearn
Reconstructions of electron-temperature profiles from EUROfusion Pedestal Database using turbulence models and machine learningThis study uses plasma-profile data from the EUROfusion pedestal database, focusing on the electron-temperature and electron-density profiles in the edge region of H-mode ELMy JET ITER-Like-Wall…L. -P. Turica, A. R. Field, L. Frassinetti et al.·Apr 24, 2025SaveLearn
Bremsstrahlung radiation power in non-Maxwellian plasmasIn plasmas, bremsstrahlung includes electron-ion (e-i) bremsstrahlung and electron-electron (e-e) bremsstrahlung. Bremsstrahlung radiation power loss is one of the most significant losses in fusion…Chaotong Yang, Kai Li, Huasheng Xie·Apr 24, 2025SaveLearn