Influence of finite temperature degeneracy and superthermal ions on dust acoustic solitary structuresWe examine dust acoustic (DA) solitary structures in an unmagnetized, collisionless dusty electron positron ion (epi) plasma in which electrons and positrons are described by finite temperature Fermi…Rupak Dey, Gadadhar Banerjee·Feb 13, 2026SaveLearn
Quantitative 3D non-linear simulations of shattered pellet injection in ASDEX Upgrade using JOREKShattered pellet injection (SPI) as primary mitigation method for major disruptions in ITER has a large parameter space available for optimization including the total amount of injected material, the…W. Tang, M. Hoelzl, P. Heinrich et al.·Feb 13, 2026SaveLearn
Resonant Excitation of Surface Plasmon for Wakefield Acceleration by Beating GW Lasers on Smooth Cylindrical SurfaceWe present a theoretical and numerical study of resonant surface-plasmon (SP) excitation driven by the beating of two co-propagating laser pulses on a smooth cylindrical plasma-vacuum interface.…Bifeng Lei, Hao Zhang, Alexandre Bonatto et al.·Feb 13, 2026SaveLearn
Long-Pulse Fast Ignition in MagLIFThe fast ignition paradigm for inertial confinement fusion (ICF) allows for extremely high gains but requires fuel to be heated very quickly to outpace hotspot disassembly and energy losses. This…Benjamin Wang, Henry Fetsch, Nathaniel J. Fisch·Feb 13, 2026SaveLearn
Tuning Optical Properties of FTO via Carbonaceous Al2O3 Microdot Deposition by DC plasma sputteringFluorine-doped tin oxide (FTO) is a key transparent conductive oxide for photovoltaic and optoelectronic devices, yet its high reflectance limits light-trapping efficiency. This work demonstrates a…Sarah Salah, Ahmed Atlam, Nagat Elkahwagy et al.·Feb 12, 2026SaveLearn
Investigation of Toroidal Rotation Effects on Spherical Torus Equilibria using the Fast Spectral Solver VEQ-RStandard reduced models often fail to adequately describe the complex geometric response of tokamak plasmas to strong toroidal rotation. In this work, we present VEQ-R, a computationally efficient…Xingyu Li, Huasheng Xie, Lai Wei et al.·Feb 11, 2026SaveLearn
Collisionless relaxation as the origin of the anisotropic, non-thermal, and multi-temperature momentum distributions observed in space plasmasAnisotropic, non-thermal, and multi-temperature distributed particle momenta are commonly observed in collisionless space plasmas, such as the solar wind. Using Liouville's theorem, we argue that…Torsten Enßlin, Christoph Pfrommer·Feb 11, 2026SaveLearn
Generation and control of Doppler harmonics approaching 1022W/cm2 on plasma mirrorsIn this letter, we report Doppler harmonic generation with a relativistic plasma mirror at unprecedented intensities >1021 ~W/cm2 using a PetaWatt-class laser. We show that beyond a…Baptiste Groussin, Philipp Sikorski, Aodhan McIlvenny et al.·Feb 11, 2026SaveLearn
Fully nonlinear phenomenology of the bump-on-tail (BOT) instability with drag, diffusion and Krook relaxationEnergetic-particle-driven modes in magnetically confined fusion plasmas often exhibit nonlinear frequency sweeping, reflecting complex wave-particle interactions near marginal stability. While the…Shi-Jie Zhang, Lei Chang, Zhao-Ju Bo et al.·Feb 11, 2026SaveLearn
Bridging the Kinetic-Fluid Gap: Ion-Driven Magnetogenesis to Prime Cosmic DynamosThe origin of cosmic magnetic fields is widely attributed to the amplification of weak seed fields by turbulent dynamos. However, a critical understanding gap remains between the microscopic…X. Liu, D. Wu, J. Zhang·Feb 11, 2026SaveLearn
Design of experiments characterising heat conduction in magnetised, weakly collisional plasmaHeat conduction in weakly collisional, magnetised plasma is challenging to model accurately due to multifaceted physics governing heat-carrying electrons, including microinstabilities that scatter…T. A. Vincent, P. Ariyathilaka, L. Creaser et al.·Feb 10, 2026SaveLearn
Deflation Techniques for Stellarator Equilibrium and OptimizationStellarator optimization is a multi-objective, non-convex problem characterized by a complex objective landscape containing many local minima. The solution resulting from a single optimization is…Dario Panici, Byoungchan Jang, Rory Conlin et al.·Feb 10, 2026SaveLearn
Scaling laws for the cutoff wavenumber of the short-wavelength ion-temperature-gradient mode in a Z-pinchWe use a heuristic fluid model to predict the dependence of the cutoff wave number for the short-wavelength ion temperature gradient (SWITG) mode on ion density gradient, ion temperature gradient…O. Gupta, M. Barnes, F. I. Parra et al.·Feb 10, 2026SaveLearn
Simulation of the Space-Charge-Limited Current Density for Time-Variant Pulsed InjectionSpace-charge-limited (SCL) current density for time-invariant injection (under long-pulse condition) via the diode cathode is the maximum transportable density, while it can be leveraged higher when…H. Huang, Y. Liu·Feb 10, 2026SaveLearn
Weak and reversed magnetic shear effects on internal kink and fishbone modesAdvanced tokamak scenarios often feature weak or reversed magnetic shear configurations. In this study, the hybrid kinetic-MHD model implemented in the NIMROD code is used to investigate the effects…Weikang Cai, Ping Zhu, Zhi Zhang et al.·Feb 9, 2026SaveLearn
Preprint: Sheath thickness measurements with the biased plasma impedance probe, Agreement with Child Langmuir scalingPlasma sheaths play a central role in plasma-surface interactions, yet their thickness remains challenging to measure experimentally. Although classical analytical models such as the Child-Langmuir…John Whitlock Brooks, Richeek Dutta·Feb 9, 2026SaveLearn
JOREK simulations of the X-point radiator formation and its movement in ASDEX UpgradeFuture large-scale magnetic confinement fusion reactors require operational regimes that can avoid extreme heat fluxes onto the plasma-facing components. One promising regime is the X-point radiator…Y. C. Liang, A. Cathey, M. Hoelzl et al.·Feb 9, 2026SaveLearn
Development of a Reduced Multi-Fluid Equilibrium Model and Its Application to Proton-Boron Spherical TokamaksProton-Boron fusion requires extreme ion temperatures and robust confinement, making Spherical Tokamaks (ST) with high-power neutral beam injection primary candidates. In these devices, strong…Huasheng Xie, Xingyu Li, Jiaqi Dong et al.·Feb 9, 2026SaveLearn
Azimuthally polarized terahertz radiation generation using radially polarized laser pulse in magnetized plasmaAn analytical formulation of a radially polarized laser pulse propagating in a homogeneous, magnetized plasma is presented using Lorentz force, continuity and Maxwells equations. Perturbation…Shivani Aggarwal, Dinkar Mishra, Saumya Singh et al.·Feb 9, 2026SaveLearn
2DESR: a two-dimensional Fourier-space gyrokinetic eigenvalue code for the ion-temperature-gradient modes in tokamaksA two-dimensional (2D) gyrokinetic eigenvalue solver, 2DESR, has been developed to solve the 2D gyrokinetic eigenvalue problem in the poloidal Fourier space for the ion-temperature-gradient (ITG)…Haochuan Wang, Jie Wang, Yuefeng Qiu et al.·Feb 7, 2026SaveLearn
Collision of two radial rarefaction waves in unmagnetized ambient plasma: effects of the ambient plasma densityThe expansion of two circular rarefaction waves in vacuum or in a thin ambient plasma is examined with particle-in-cell simulations that resolve two spatial dimensions. In the simulation with no…Margaux François, Mark E. Dieckmann, Lorenzo Romagnani et al.·Feb 6, 2026SaveLearn
Enhanced TNSA Ion Acceleration via Optical Confinement and Geometric Plasma Focusing in Annular Sector TargetsEnhancing the conversion efficiency and maximum energy of laser-driven ion beams is a critical challenge for applications in hadron therapy and high-energy density physics. In this work, we present a…Mohammad Rezaei-Pandari, Mahdi Shayganmanesh, Mohammad Hossein Mahdieh·Feb 5, 2026SaveLearn
Explosive eruption cycles in a rotating Z-pinchA transonic shear flow directed along magnetic field lines can linearly stabilize a steep pressure gradient in a confined magnetohydrodynamic (MHD) plasma. In Z-pinch geometry, we show that, like the…David N. Hosking, Luca Swinnerton, Rahul Kesavan·Feb 5, 2026SaveLearn
Physics-Informed Neural Compression of High-Dimensional Plasma DataHigh-fidelity scientific simulations are now producing unprecedented amounts of data, creating a storage and analysis bottleneck. A single simulation can generate tremendous data volumes, often…Gianluca Galletti, Gerald Gutenbrunner, Sandeep S. Cranganore et al.·Feb 4, 2026SaveLearn
Nonlinear Dynamical Friction from the Doppler-Shifted Equilibrium Memory KernelWe present a statistical mechanics framework for modeling equilibrium friction coefficients using the Generalized Langevin Equation (GLE). We show that the kernel, obtained via the…N. R. Sree Harsha, Zhenyuan Yu, Chuang Ren et al.·Feb 4, 2026SaveLearn