Experimental setup for testing nanocalorimeter sensors as a plasma diagnostics toolThe application of microfabricated nanocalorimeters for real-time, highly sensitive, and selective monitoring of the energy fluxes from low-pressure plasma discharges has been reported recently.…Carles Corbella, Feng Yi, Andrei Kolmakov·Sep 17, 2026SaveLearn
Gradient-Based Construction of Collisionless Steady-State Guiding-Center Distributions in Tokamaks and StellaratorsWe present a matrix-free residual-minimization method for preparing guiding-center distribution functions on finite grids. The method minimizes a fixed conservative discrete residual in the physical…Jingyi Yu, Chang Liu·Sep 17, 2026SaveLearn
Indirect-Drive Fusion Target Design for Commercial Fusion EnergyThis paper presents the physics basis for commercially relevant laser indirect-drive (LID) (radiation-driven) inertial fusion energy (IFE) using a 10 MJ laser driver. To date, this approach, proven…C. R. Weber, A. L. Kritcher, S. Bhandarkar et al.·Sep 17, 2026SaveLearn
Efficient laser ion acceleration in near-critical density plasmas in the picosecond pulse regimeKilojoule-class short-pulse (< 10 ps) lasers are excellent tools for generating relativistic ion beams, but achieving high laser-to-ion conversion efficiency remains an open challenge. Recent…Joshua Luoma, Andreas Kemp, Andrew Longman et al.·Sep 17, 2026SaveLearn
Helicon wave propagation, plasma generation and interaction with low-frequency waves in toroidal magnetic configurationsHelicon waves are widely used for efficient plasma production in low-temperature devices and have recently attracted attention as a candidate for current drive in fusion plasmas. Yet experimental…Simon P. H. Vincent, Mounir Alfazzaa, Patrick Quigley et al.·Sep 16, 2026SaveLearn
Kilojoule-scale laser acceleration enabling efficient generation of electron-positron and muon beamsDespite many experimental attempts, laboratory pair-beam sources have not yet reached the charge, collimation, and density needed to observe kinetic pair-plasma instabilities. Here we show that an…R. Babjak, M. Pouyez, C. Badiali et al.·Sep 16, 2026SaveLearn
K-shell x-ray spectroscopy: A reliable probe for stimulated Raman scattering in inertial confinement fusion---Accurate characterization of stimulated Raman scattering (SRS) remains a critical challenge in inertial confinement fusion (ICF), as SRS not only scatters laser energy but also generates suprathermal…Tianluo Luo, Zeyang Li, Yunping Wang et al.·Sep 16, 2026SaveLearn
Landau Damping Beyond Smooth Velocity Distributions: A Dispersion-Free Lagrangian Time-Domain FrameworkThe classic theory of Landau damping requires the velocity distribution function (VDF) to be analytically continued into the complex plane, implicitly requiring analyticity, which imposes constraints…Huasheng Xie, Jinsong Zhao·Sep 15, 2026SaveLearn
Pellet-Size Scaling of Quasi-Steady-State Plasma Performance in Wendelstein 7-XA continuous cryogenic-pellet injector has been used to realize long-pulse high-performance plasmas in Wendelstein 7-X (W7-X). A hydrogen ice pellet deposits particles directly in the confined…Keisuke Fujii, Edgardo Villalobos Granados, Maryam Huck et al.·Sep 15, 2026SaveLearn
On energy conservation laws in the drift-reduced Braginskii modelA revision of the drift-reduced Braginskii model is presented, focusing on its practical implementation in numerical codes, and systematically analyzing the effect of several commonly-used…Sergio García Herreros, Brenno de Lucca, Davide Mancini et al.·Sep 15, 2026SaveLearn
Electrons quench ion tails during evaporative cooling in hot ion mode plasmasIt is shown how evaporative cooling in hot plasma is essentially different from evaporative cooling in other media, such as neutral gases or Bose-Einstein condensates. The fundamental difference in…Eric Palmerduca, Hong Qin, Nathaniel J. Fisch·Sep 15, 2026SaveLearn
Spatially-resolved methane decomposition in a short glow discharge: insights into suprathermal hydrogen and radical chemistryThis work presents the spatially resolved mapping of methane decomposition chemistry in a short direct-current glow discharge, revealing segregated zones for dissociation and polymerization in an…Shurik Yatom·Sep 15, 2026SaveLearn
Nonlinear kinetic closures for linear instabilitiesLandau fluid closures are linear in the evolved moments. We examine the consequences of relaxing linearity. As an example, we introduce the nonlinear exact kinetic response closure, exact on an…Elizabeth J. Paul, Archis Joglekar, Alexey Knyazev·Sep 15, 2026SaveLearn
Strong Nonlinear Alfvén Wave Interactions in a Laboratory PlasmaAlfvén waves and their nonlinear interactions are ubiquitous in space and astrophysical plasmas, and are thought to play important roles in the dynamics of these systems, yet their nature remains to…C. H. K. Chen, S. Dorfman, S. Boldyrev et al.·Sep 15, 2026SaveLearn
JC-PIC: kinetic (PIC-MCC) simulation of lowtemperature plasmas with a documented library of one hundred test casesOver the last twenty years, particle-in-cell simulations with Monte Carlo collisions (PIC-MCC) have given the low-temperature plasma community much of what it knows about electron heating in RF…Jean-Pierre Boeuf·Sep 15, 2026SaveLearn
KEMPIC-3D: A transparent and extensible electromagnetic Particle-in-Cell framework for kinetic plasma simulationsKEMPIC-3D, a fully electromagnetic three-dimensional particle-in-cell (PIC) code, has been developed in C/C++ and systematically verified for the self-consistent simulation of kinetic plasma…Jesús E. López, Keren C. Vanegas, Eduardo A. Orozco-Ospino·Sep 15, 2026SaveLearn
Characteristic Mapping Method for Vlasov-Poisson with BGK-collisionsThis work presents the first steps for simulating kinetic plasmas with collisions using the characteristic mapping method (CMM). The CMM is a semi-Lagrangian method that explores a semi-group…Xi-Yuan Yin, Philipp Krah, Zetao Lin et al.·Sep 14, 2026SaveLearn
Direct observation of electron shedding from a laser-plasma acceleratorLaser-plasma accelerators have demonstrated the ability to produce ultrashort relativistic electron bunches with peak currents suitable for compact light sources, ultrafast diffraction, and…Sheroy Tata, Salome Benracassa, Heychal Davidovich et al.·Sep 14, 2026SaveLearn
Two-length spatial correlation function of turbulence in TCVSpatial correlation functions of density fluctuations are measured in the Tokamak à Configuration Variable (TCV) using a dual-channel Doppler backscattering (DBS) diagnostic. In certain cases, the…Olivier Panico, Pascale Hennequin, Sascha Rienäcker et al.·Sep 14, 2026SaveLearn
Shape effects and Shafranov shift reversal in analytical Grad--Shafranov equilibria with non-convex boundariesAnalytical Solov'ev equilibria with freely prescribed plasma boundaries can be constructed by enforcing the boundary condition in a least-squares sense on a polynomial basis of homogeneous…D. Abate·Sep 14, 2026SaveLearn
Phasor-particle-in-cell algorithm for bidirectional external-circuit coupling of inductively coupled plasmaWe develop a self-consistent phasor-particle-in-cell algorithm to capture bidirectional inductive and capacitive feedback between an inductively coupled plasma and a distributed radio-frequency coil…Zhaoyu Chen, Zili Chen, Jingwen Xu et al.·Sep 14, 2026SaveLearn
Ion-Acoustic-Like Modes in Ion-Loaded Pulsar-Wind Current Sheets: A Pressure-Balanced Existence CriterionPulsar wind electron--positron plasma lacks the heavy inertial species required for the conventional ion-acoustic-like compressive modes. However, if ions are mixed into the reconnecting striped-wind…Manpreet Singh, Ripin Kohli, Siming Liu·Sep 13, 2026SaveLearn
Superradiant Thomson Scattering via Oscillating QuasiparticlesThe recently proposed concept of generalized superradiance (GS) allows for the generation of coherent radiation without the need for complex compression or prebunching of relativistic electrons.…Qianyi Ma, Yuhui Xia, Zhenan Wang et al.·Sep 13, 2026SaveLearn
Hydrogen and Lithium Isotope Analysis via Optical Spectroscopy of Laser-Produced PlasmasAccurate detection and quantification of light-element isotopes, particularly hydrogen (H) and lithium (Li), are essential across chemistry, materials science, geology, nuclear energy, forensics, and…Elizabeth Kautz, Caleb Clark, Nusrat Karim et al.·Sep 11, 2026SaveLearn
Sensitivities of electron-scale core transport in MAST UpgradeIntegrated modelling of the Mega Ampere Spherical Tokamak Upgrade (MAST-U) indicates that turbulent electron heat transport can dominate over ion transport across a range of operating regimes. Only a…B. S. Patel, T. Adkins, S. Blackmore et al.·Sep 11, 2026SaveLearn