Counter-Streaming Beams in Collisionless Pair Plasma Instability Systems III: Collisionless Heating, Acceleration, and RadiationEnergetic astrophysical phenomena, such as γ-ray bursts and supernova explosion-driven shocks in collisionless plasmas, involve various plasma kinetic instabilities, such as the Weibel instability.…Michael C. Sitarz·Oct 24, 2025SaveLearn
Counter-Streaming Beams in Collisionless Pair Plasma Instability Systems II: Spectral Cone and Spectral Wave Mode AnalysisEnergetic astrophysical phenomena, such as γ-ray bursts, supernova explosions, and magnetar flares occur in collisionless plasmas and involve various plasma kinetic and magnetohydrodynamic…Michael C. Sitarz·Oct 24, 2025SaveLearn
Benchmark for two-dimensional large scale coherent structures in partially magnetized ExB plasmas -- Community collaboration & lessons learnedLow-temperature plasmas are essential to both fundamental scientific research and critical industrial applications. As in many areas of science, numerical simulations have become a vital tool for…Andrew T. Powis, Eduardo Ahedo, Alejandro Álvarez Laguna et al.·Oct 24, 2025SaveLearn
High Gain Fusion Target Design using Generative Artificial IntelligenceBy returning to the topological basics of fusion target design, Generative Artificial Intelligence (genAI) is used to specify how to initially configure and drive the optimally entangled topological…Michael E. Glinsky·Oct 23, 2025SaveLearn
Grain Boundary Diffusion in Yukawa CrystalsWe present calculations of diffusion coefficients in grain boundaries in Yukawa crystals for astrophysics. Our methods follow from our recent work calculating diffusion coefficients in perfect…Matthew E. Caplan, Nevin T. Smith, Dany Yaacoub et al.·Oct 23, 2025SaveLearn
Significant Amplification of Turbulent Energy Dissipation through the Shock Transition at MarsTurbulence is fundamental to energy transfer across scales in space and astrophysical plasmas. Bow shock interactions have long been hypothesized to significantly modify turbulence in planetary…Wence Jiang, Hui Li, Nahuel Andrés et al.·Oct 23, 2025SaveLearn
Modification of ion-temperature-gradient turbulence by impurities in stellarator plasmasRecent nonlinear gyrokinetic simulations have shown that impurities can strongly modify the turbulent heat flux in stellarator plasmas. Here, the ion-temperature-gradient (ITG) dispersion relation in…Ivan Calvo, Felix I. Parra, Hanne Thienpondt et al.·Oct 22, 2025SaveLearn
Microtearing Turbulence and Its Role in High-Density-Gradient Plasmas in Wendelstein 7-XGyrokinetic simulations reveal that microtearing mode (MTM) turbulence dominates transport in a Wendelstein 7-X (W7-X) discharge characterized by large density gradients, moderate temperature…H. Cu-Castillo, A. Bañón Navarro, G. Merlo et al.·Oct 22, 2025SaveLearn
Diagnostics of a Multicusp-Assisted Inductively-Coupled Radio-Frequency Plasma Source for Plasma Immersion Ion ImplantationIn this article, we present a detailed characterisation of a multicusp-assisted inductively coupled RF plasma source for plasma immersion ion implantation (PIII). Using laser-induced fluorescence…Moreno Joel, Jimenez Marilyn, Okerstrom Daniel et al.·Oct 21, 2025SaveLearn
Experimental and numerical investigation of suprathermal electron dynamics using vertical electron cyclotron emissionThe Tokamak à Configuration Variable (TCV) is equipped with an advanced set of diagnostics for studying suprathermal electron dynamics. Among these, the vertical electron cyclotron emission (VECE)…L. Votta, M. Hoppe, J. Decker et al.·Oct 21, 2025SaveLearn
Plasma Shape Control via Zero-shot Generative Reinforcement LearningTraditional PID controllers have limited adaptability for plasma shape control, and task-specific reinforcement learning (RL) methods suffer from limited generalization and the need for repetitive…Niannian Wu, Rongpeng Li, Zongyu Yang et al.·Oct 20, 2025SaveLearn
Probing Flying-Focus WakefieldsFlying-focus wakefields, which can propagate with a tunable velocity along the optical axis, are promising solutions to electron dephasing in laser-wakefield accelerators. This is accomplished by a…Aaron Liberman, Anton Golovanov, Sheroy Tata et al.·Oct 19, 2025SaveLearn
Relativistic Magnetohydrodynamic Wave Excitation by Laser Pulse in a Magnetized PlasmaIn the study of plasma, particularly in applications involving strong laser-plasma interactions, the propagation of a strong electromagnetic wave induces relativistic velocities in the electron flow.…Zohreh Hashempour, Mehdi Nasri Nasrabadi, Nora Nassiri-Mofakham et al.·Oct 18, 2025SaveLearn
Hamiltonian estimation of island width threshold for stochasticity onset on edge pedestal top in presence of a resonant magnetic perturbationThis study applies the Hamiltonian method to analyze the nonlinear magnetic topology induced by Resonant Magnetic Perturbations (RMPs) in tokamaks. We investigate the system's chaotic behavior by…Zhifei Gui, Ping Zhu, Dominique Franck Escande·Oct 18, 2025SaveLearn
Physics insights from a large-scale 2D UEDGE simulation database for detachment control in KSTARA large-scale database of two-dimensional UEDGE simulations has been developed to study detachment physics in KSTAR and to support surrogate models for control applications. Nearly 70,000…Menglong Zhao, Xueqiao Xu, Ben Zhu et al.·Oct 17, 2025SaveLearn
Formation of a Tungsten Co-deposition Layer with Microparticles Using Pulsed Laser DepositionThis study performed tungsten (W) co-deposition experiments using pulsed laser deposition under exposure to helium/argon plasma in a linear plasma device. Micron-sized spherical W particles formed…S. Kodate, Y. Hayashi, S. Kajita·Oct 17, 2025SaveLearn
Modelling-driven requirements for Error Field Control Coil application to initial JT-60SA plasmasJT-60SA is a large superconducting tokamak built in Naka, Japan. After the successful achievement of its first MA-class plasma, the installation of several additional sub-systems, including a set of…L. Pigatto, G. Frello, Y. Q. Liu et al.·Oct 17, 2025SaveLearn
Geometric scaling of laser-driven proton focusing from hemispherical foilsWe systematically characterize the focusing behavior of laser-driven proton beams from hemispherical targets of various diameters using mesh radiography. The proton focal location is inferred to be…Jesse Griff-McMahon, Xavier Vaisseau, William Fox et al.·Oct 16, 2025SaveLearn
Three-dimensional unmagnetized Mach probe analysis and initial flow measurements in reversed-field pinch experimentsA novel matrix method of analyzing ion saturation current data from a general three-dimensional (3D) array of unmagnetized Mach probe tips is developed and used with data sets from two 3D Mach probes…K. J. McCollam, R. Reksoatmodjo, J. von der Linden et al.·Oct 16, 2025SaveLearn
Linear damping of magneto-acoustic waves in two-fluid partially ionized plasmasMagneto-acoustic waves in partially ionized plasmas are damped due to elastic collisions between charged and neutral particles. Here, we use a linearized two-fluid model to describe the influence of…David Martínez-Gómez·Oct 16, 2025SaveLearn
Dust-ion-acoustic solitons in an ion-beam-driven dusty magnetoplasma with adiabatic and nonadiabatic dust charge variationsWe study the characteristics of small-amplitude nonlinear dust-ion-acoustic (DIA) solitary waves in active magnetized positive-ion-beam-driven dusty plasmas with the effects of nonadiabatic and…N. P. Acharya, S. Basnet, A. P. Misra et al.·Oct 16, 2025SaveLearn
Flux Jamming, Phase Transitions and Layering in Turbulent Magnetized PlasmaThis paper discusses transport barrier formation and layering as consequences of jam formation. Extensive use is made of analogies with the theory of traffic flow in one dimension. The relation of…P. H. Diamond, Y. Kosuga, P. L. Guillon et al.·Oct 16, 2025SaveLearn
Kinetic Scale Energy Budget in Turbulent Plasmas: Role of Electron to Ion Temperature RatioThe dissipation mechanisms in weakly collisional plasmas have been a longstanding topic of investigation, where significant progress has been made in recent years. A recent promising development is…Subash Adhikari, M. Hasan Barbhuiya·Oct 16, 2025SaveLearn
Narrow Operator Models of Stellarator Equilibria in Fourier Zernike BasisNumerical computation of the ideal Magnetohydrodynamic (MHD) equilibrium magnetic field is at the base of stellarator optimisation and provides the starting point for solving more sophisticated…Timo Thun, Rory Conlin, Dario Panici et al.·Oct 15, 2025SaveLearn
Carrier envelope phase and laser pulse shape effects on Schwinger vacuum pair production in super-Gaussian asymmetric electric fieldsWe investigate the combined effects of carrier envelope phase and laser pulse shape on electron-positron pair production in the presence of an external asymmetric super-Gaussian electric field by…Abhinav Jangir, Anees Ahmed·Oct 15, 2025SaveLearn