Weibel-mediated filamentary structures observed in the ICF contextIn light of novel and past experimental results, we demonstrate how Weibel-mediated filamentary structures can develop in the expanding plasma plume of a laser-irradiated foil. The transverse…C. Ruyer, S. Bolaños, P. E. Masson Laborde et al.·May 11, 2026SaveLearn
Magnetohydrodynamic equilibrium and neutronics study on MAST-U using Jenga frameworkTokamak design is inherently challenging due to several cross-competing effects which require a careful and calibrated treatment to obtain an optimal operational envelope. Incorporating physics…Saptarshi Rajan Sarkar, Rahul Babu Koneru, Ravi Gupta et al.·May 11, 2026SaveLearn
Firewall effect on electron acceleration by R-waves and parallel electric fieldsWe report an unanticipated electron dynamics in a classical setting of a uniform magnetic field, a parallel electric field, and a right-handed circularly polarized wave (R-wave). The setting admits a…Hye Lin Kang, Young Dae Yoon, Myung-Hoon Cho et al.·May 11, 2026SaveLearn
Challenges and opportunities for AI to help deliver fusion energyThere is great potential for the application of AI tools in fusion research, and substantial worldwide benefit if fusion power is realised. However, using AI comes with its own challenges, many of…Adriano Agnello, Helen Brooks, Cyd Cowley et al.·May 11, 2026SaveLearn
TokaMind for Power Grid: Cross-Domain Transfer from Fusion PlasmaTokaMind is a multi-modal transformer (MMT) foundation model pre-trained on tokamak plasma diagnostics data from MAST, where it was shown to outperform CNN-based approaches on fusion benchmarks. We…JC Wu, Norton Lee, Kai Siang Chen·May 10, 2026SaveLearn
MPEX AI Digital TwinsOur vision for the MPEX AI Digital Twins project is to supply experimental and physics model simulation data to train Artificial Intelligence (AI) models for data processing, analysis, operational…Gary Staebler, Rhea Barnett, Mark Cianciosa et al.·May 9, 2026SaveLearn
Probing In-Solid Proton Energy Distributions in Laser-Driven Fusion via Nuclear Activation DiagnosticsThe energy distribution of energetic protons inside a solid target is a key quantity governing nuclear reaction yields and energy deposition in high-intensity laser-driven fusion, including…Hiroki Matsubara, Ryunosuke Takizawa, Yuga Karaki et al.·May 9, 2026SaveLearn
Energy-based models for diagnostic reconstruction and analysis in a laboratory plasma deviceEnergy-based models (EBMs) provide a powerful and flexible way of learning a joint probability distribution over data by constructing an energy surface. This energy surface enables insight extraction…Phil Travis, Troy Carter·May 9, 2026SaveLearn
An approximate Kappa generator for particle simulationsA random number generator for the Kappa velocity distribution in particle simulations is proposed. Approximating the cumulative distribution function with the q-exponential function, an inverse…Seiji Zenitani, Takayuki Umeda·May 9, 2026SaveLearn
Warm Topological Langmuir Cyclotron WaveFinite-temperature effects in magnetized electron plasmas create a new Weyl-point degeneracy between the warm Langmuir and right-circularly polarized waves. The associated topological charge at this…Virginia Billings, Hong Qin, Chuang Ren et al.·May 8, 2026SaveLearn
Full-gap kinetic limitation of thermionic-electron transport for electron transpiration coolingElectron transpiration cooling (ETC) can reduce aerothermal loads on sharp hypersonic leading edges, but its performance is governed by whether thermionically emitted electrons escape the hot surface…Wushun Zhang, Weixing Zhou, Yinjian Zhao·May 8, 2026SaveLearn
Accelerating integrated modeling with surrogate-based optimization: the MAESTRO workflowThis paper introduces the MAESTRO workflow, that enables the coupling of the PORTALS framework [P. Rodriguez-Fernandez et al, Nucl. Fusion 2024] with external solvers for the plasma equilibrium,…P. Rodriguez-Fernandez, N. T. Howard, J. Hall et al.·May 7, 2026SaveLearn
Hugoniot Relation for Multi-Temperature Euler Equations of Compressible Plasma FlowsShock solutions for multi-temperature Euler equations are inherently ambiguous due to the loss of microscopic physical detail during model reduction and occurrence of non-conservative terms. This…Zhifang Du, Aleksey Sikstel·May 7, 2026SaveLearn
Proton probing measurements of filamentary electromagnetic structure in laser ablation of solidsProton radiography of laser direct-drive spherical implosions has shown anomalous structures that correspond to strong electric or magnetic fields extending throughout the corona. These fields have…J. Peebles, P. V. Heuer, D. H. Barnak et al.·May 7, 2026SaveLearn
An Electromagnetic Particle-Particle Method for Relativistic Electron Bunch Dynamics from Early Expansion to Long-Range TransportParticle-mesh methods, such as the particle-in-cell (PIC) method, cannot retain exact pairwise interaction at sub-cell scales. For dense nonneutral relativistic electron bunches, this makes it…Yinjian Zhao, Yibo Liang, Yanan Zhang et al.·May 7, 2026SaveLearn
A physics-informed neural network approach to solve the spatially inhomogeneous electron Boltzmann equationThe accurate determination of electron properties is fundamental to low-temperature plasma simulations, necessitating precise solutions to the spatially inhomogeneous electron Boltzmann equation…Ihda Chaerony Siffa, Detlef Loffhagen, Markus M. Becker et al.·May 5, 2026SaveLearn
Synthetic model of gamma-ray emission during DT experiments on the SPARC tokamakIn thermonuclear plasmas, plasma ions undergoing nuclear reactions emit gamma-rays with energies in the MeV range. Their spectroscopy can convey much plasma information, such as the DT fusion power,…E. Panontin, R. A. Tinguely, J. L. Ball et al.·May 5, 2026SaveLearn
Transition from Zonal Flows to Streamer like structures and associated edge FluctuationsWe report experimental observations of a controlled transition from a zonal-flow (ZF) dominated regime to a coexistence regime of ZFs and streamers, and finally to a streamer-dominated state in a…Tanmay Karmakar, Rosh Roy, Lavkesh Lachhvani et al.·May 5, 2026SaveLearn
Yinsen: A low power density HTS tokamak fusion reactor for marine and off-grid applicationsYinsen is a high-temperature-superconducting (HTS) tokamak reactor concept for off-grid applications such as maritime propulsion, remote power, and industrial energy. Rather than pursuing grid-scale…Justin Cohen, Jason Kaufmann, Maxim Umansky et al.·May 5, 2026SaveLearn
Anomalous Conductivity and Anisotropic Transport of Nonrelativistic Electrons in Plasma with Magnetostatic Weibel-Generated TurbulenceThe anisotropic diffusion of electrons with various rigidity and the anomalous conductivity of a collisionless plasma in the presence of Weibel-generated quasi-static turbulent and uniform external…Nikolay A. Emelyanov, Mikhail A. Garasev, Aleksey A. Kuznetsov et al.·May 5, 2026SaveLearn
A programmable stellarator-tokamak hybrid for million-scale magnetic-configuration discoveryTokamaks and stellarators are the leading magnetic-confinement concepts for fusion, but they rely on complementary design principles. Tokamaks use simple axisymmetric coils and plasma current,…Guodong Yu, Xianyi Nie, Gwanggeun Seo et al.·May 5, 2026SaveLearn
Hybrid simulation of the energy cost of O(1D) and O(3P) generation in a capacitive Ar/O2 discharge driven by sawtooth-type voltage waveformsLow-pressure radio-frequency capacitively coupled plasmas operated in Ar/O2 gas mixtures are widely adopted in critical semiconductor manufacturing processes. O(3P) and O(1D) are key highly…Jun-Xi Guo, Wan Dong, Yuan-Hong Song·May 5, 2026SaveLearn
Assessing the role of ITER ECE oblique view in resolving non-thermal emissionsSystematic discrepancies between electron temperature (Te) measurements from radially viewing electron cyclotron emission (ECE) and Thomson scattering (TS) diagnostics have been observed in multiple…Saeid Houshmandyar, William L. Rowan·May 5, 2026SaveLearn
iGENE: A Differentiable Flux-Tube Gyrokinetic Code in TensorFlowWe present iGENE, a fully-differentiable TensorFlow implementation of the electromagnetic local nonlinear gyrokinetic model, which allows us to compute gradients of any simulation output with respect…Victor Artigues, Gabriele Merlo, Frank Jenko·May 4, 2026SaveLearn
Scaling Interferometry to the Multi-Petawatt RegimePre-plasma conditions strongly influence laser-plasma interactions in the multi-petawatt (MPW) regime, increasing the need for reliable early-time plasma evolution diagnostics. Among available…Mara L. Klebonas, Hernan J. Quevedo, Calin I. Hojbota et al.·May 4, 2026SaveLearn