Detecting Quantum Stochastic Effects in Radiation Reaction via Laser-Produced Surface QED PlasmasWe propose a method to detect quantum stochastic effects in radiation reaction by irradiating a V-shaped plasma cavity with an ultra-intense laser pulse. The pulse accelerates GeV electrons along the…Junhua Zhang, Xianshu Wu, Luyao Zhang et al.·Jun 28, 2026SaveLearn
Simulation Study of Coupling Effects Between a Hall Thruster and a Power Processing UnitThe complex and nonlinear load characteristics of Hall thrusters remain a key challenge in the design of propulsion power-supply output stages. In existing power-supply simu-lations for electric…Zirui Fan, Yinjian Zhao, Jingjing Li et al.·Jun 27, 2026SaveLearn
Electron penetration heating in turbulent magnetic loops driven by nonrelativistic laser-plasma interactionUsing particle-in-cell simulations to study nonrelativistic laser pulse propagation in a under-critical plasma, we identify a novel mechanism that occurs during the growth of turbulent magnetic…Zheng Gong, Sida Cao, Caleb Redshaw et al.·Jun 27, 2026SaveLearn
Semi-Implicit Stellarator Magnetohydrodynamics with Nodal Spectral ElementsNonlinear time-dependent computation of macroscale dynamics in stellarators is motivated by laboratory results showing the possibility of robust operation in conditions where magnetohydrodynamic…C. R. Sovinec, S. A. Patil, J. V. Cauilan·Jun 26, 2026SaveLearn
A Weakly Nonlinear Theory of Zonal-Flow Forcing in Gyrokinetic TurbulenceThe forced generation of zonal flows by microinstability-driven turbulence is investigated within the framework of local gyrokinetic theory far from marginality. We use a numerically and physically…Georgia Acton, Eduardo Rodrìguez, Gareth Roberg-Clark et al.·Jun 26, 2026SaveLearn
On the Relationship Between Plasma and Tritium Fuel Cycle Through Matter Injection and Particle ExhaustThis work identifies an inconsistency between plasma operating scenarios and tritium fuel cycle (TFC) requirements, calling for a re-examination of the traditional reactor-led design approach. The…Samuele Meschini, Matteo Moscheni·Jun 26, 2026SaveLearn
Electrons with Anomalous Energy Generated in Gas-Filled and Vacuum DiodesIt is shown that, when high-voltage pulses (with a voltage amplitude exceeding 100 kV in centimeter gaps) with a leading edge duration of 1 ns or shorter are applied to gas-filled and vacuum electric…Victor F. Tarasenko, Vasily Yu. Kozhevnikov, Andrey V. Kozyrev et al.·Jun 26, 2026SaveLearn
Collisionless dynamo seeds from phase mixing-induced electron slippageMagnetic fields permeating the Universe on the largest astrophysical scales are thought to result from dynamo amplification in weakly collisional turbulence, but the origin of the seed fields remains…István Pusztai, Lise Hanebring, James Juno·Jun 26, 2026SaveLearn
Inferring solar-wind plasma structures from sparse probe trajectories using recurrent reduced-order learningIn space plasma studies, spacecraft measurements often provide time histories of the solar-wind plasma. However, many heliospheric plasma processes are organized over spatial scales that cannot be…Maryam Reza, Farbod Faraji·Jun 26, 2026SaveLearn
Pressure dependence of magnetron sputtering: 2D-RZ particle-in-cell and 1D fluid modelingWe reproduce the consistently-seen experimental voltage versus pressure (V-p) dependence of DC magnetron sputtering (DCMS) with 2D-RZ particle-in-cell (PIC) simulation. Informed by PIC simulation, we…Joseph G. Theis, Gregory R. Werner, Thomas G. Jenkins et al.·Jun 26, 2026SaveLearn
Efficient ion re-acceleration in laboratory-produced interpenetrating collisionless shocksAlthough the origin of cosmic rays (CRs) remains an open question, collisionless magnetized shock waves are widely regarded as key sites for particle acceleration. Recent theories further suggest…W. Yao, I. Cohen, P. Suarez Gerona et al.·Jun 26, 2026SaveLearn
Gyrokinetic Theory of Linear Gravitational Flute Interchanges with Flow Shear StabilizationA collisionless electrostatic gyrokinetic theory is developed to describe how the presence of a differential velocity shear can help stabilize linear gravitational flute interchanges in slab…Zheng Yang Tan, Ian Abel·Jun 25, 2026SaveLearn
Sawtooth suppression by flux pumping on HBT-EPThis study examines the mechanisms underlying sawtooth suppression in the High Beta Tokamak-Extended Pulse (HBT-EP) device. It is observed that strong-intensity sawtooth activities correlate with…Boting Li, J. P. Levesque, G. A. Navratil et al.·Jun 25, 2026SaveLearn
Collective modes and screening in an electric-magnetic dual plasmaWe study the linear response of an effective relativistic two-fluid medium carrying separately conserved electric and magnetic charge currents. The model is defined by the duality-symmetric Maxwell…Hyeong-Chan Kim·Jun 25, 2026SaveLearn
Ion firehose and ion cyclotron instability with subtracted-Kappa distributionsIn the present paper we discuss numerical solutions of the dispersion relation for electromagnetic waves propagating along the lines of an ambient magnetic field, considering parameters…Luiz F. Ziebell, Rudi Gaelzer, Danny Summers·Jun 25, 2026SaveLearn
A possible approach to overcome the saturation of the neutron yield in a Plasma Focus and to achieve breakevenSaturation of the neutron yield with increasing energy of the condenser bank in a Plasma Focus led to the shutdown of PF research focussed on controlled nuclear fusion in the past. We review…Andrea Di Vita·Jun 25, 2026SaveLearn
Identification of MHD equilibrium β limits for CFQS plasmasThe magnetohydrodynamic (MHD) equilibrium β limits in the Chinese First QuasiAxisymmetric Stellarator (CFQS) are investigated using the NTEC code, for both the standard and the magnetic island…Jian Zhang, Ping Zhu, Haifeng Liu et al.·Jun 25, 2026SaveLearn
The Negative Triangularity Tokamak Path for Fusion Pilot Plants: Experimental Progress and Future ProspectsThis paper reviews the experimental progress of negative triangularity (NT), a tokamak configuration where the poloidal cross-section is a reversed-D shape compared to the conventional positive…K. E. Thome, M. E. Austin, S. Coda et al.·Jun 25, 2026SaveLearn
Kinetic theory of the Thermal Farley-Buneman Instability in the E-region ionosphereThis paper develops a fully kinetic linear theory of the thermal Farley-Buneman instability (TFBI) in the E-region ionosphere with unmagnetized ions. The TFBI combines spatially uniform E-region…Yakov S. Dimant, Meers M. Oppenheim·Jun 25, 2026SaveLearn
Integrating Gyrokinetic Flux Predictions with Ideal MHD Stability BoundariesAccurate prediction of pedestal height and width in tokamaks remains a critical issue as it strongly influences the predicted plasma performance of all future reactors. We present an integrated…J. McClenaghan, K. E. Thome, T. F. Neiser et al.·Jun 24, 2026SaveLearn
Single-Shot Intensity-Correlation Diffractive X-ray Imaging of ICF PlasmasX-ray radiography of inertial confinement fusion plasmas is currently limited to several-micron resolution by geometric blur, diffraction, and photon-throughput tradeoffs. We propose single-shot…Kenan Qu, Daniel Bhatti, Nathaniel J. Fisch·Jun 24, 2026SaveLearn
Laser-intensity-spike-dominated hot electron generation from two-plasmon decay instability driven by moderate-bandwidth pulsesOur direct-drive-relevant experiments on the low-coherence Kunwu laser facility identify two-plasmon decay (TPD) as the primary source of hot electrons, and demonstrate for the first time that…C. Yao, Z. H. Cai, X. Wang et al.·Jun 24, 2026SaveLearn
Numerical thermalization in n-D particle-in-cell simulationsThe particle-in-cell (PIC) simulation method is often understood to solve the collisionless Vlasov equation due to the finite shape of its macroparticles. In reality, it can suffer from artificially…R. M. Park, C. H. Moore, S. D. Baalrud·Jun 24, 2026SaveLearn
Nanosecond-resolved 266 nm Mach-Zehnder interferometry for electron-density measurements of dense plasmas generated in supercritical fluidsWe developed a nanosecond-resolved 266 nm Mach-Zehnder interferometer for electron-density measurements of dense laser-produced plasmas generated in 100-bar supercritical-fluid (SCF) helium. A 1064…Kyusang Cho, Juho Lee, Gunsu Yun·Jun 24, 2026SaveLearn
Constraints on the magnetic field evolution in tokamak power plantsForty-five years ago a coordinate system was shown to exist that gave simple but exact expressions whenever and wherever a toroidal plasma equilibrium ∇p=j×B exists.…Allen H Boozer·Jun 24, 2026SaveLearn