Numerical Demonstration of Kolmogorov Scaling in Magnetohydrodynamic TurbulenceThe two leading models of isotropic magnetohydrodynamic (MHD) turbulence have competing predictions: k-5/3 (Kolmogorov) and k-3/2 (Iroshnikov-Kraichnan) scalings. This paper identifies the…Manthan Verma, Abhishek K. Jha, Shashwat Nirgudkar et al.·Oct 6, 2025SaveLearn
A Particle-in-Cell Simulation Framework for Thomson Scattering Analysis in Inertial Confinement FusionIn inertial confinement fusion (ICF), Thomson scattering (TS) is a widely used diagnostic technique for probing plasma conditions. We present a first-principles numerical approach to obtaining…Ziang Zhu, Yifan Liu, Jun Li et al.·Oct 5, 2025SaveLearn
Non-local transport in Radiation-Hydrodynamics codes for ICF by efficient coupling to an external Vlasov-Fokker-Planck codeAccurately incorporating non-local transport into radiation-hydrodynamics codes, and indeed any fluid system, has long been elusive. To date, a simplified and accurate theory that can be easily…Abetharan Antony, Robert Kingham, Stefan Mijin et al.·Oct 5, 2025SaveLearn
An Explicit Energy-Conserving Particle Method for the Vlasov-Fokker-Planck EquationWe propose an explicit particle method for the Vlasov-Fokker-Planck equation that conserves energy at the fully discrete level. The method features two key components: a deterministic and…Jiyoung Yoo, Jingwei Hu, Lee F. Ricketson·Oct 4, 2025SaveLearn
Spectroscopic measurements of graphite electrode erosion on the ZaP-HD sheared-flow-stabilized Z-pinch deviceThe ionizations per photon, or S/XB, method uses spectroscopic measurements of radiating impurity ions to determine the influx from a solid surface. It is highly useful as a non-perturbing, in-situ…Amierul Aqil Khairi, Elyse Lian, Uri Shumlak·Oct 3, 2025SaveLearn
A neural network approach to kinetic Mie polarimetry for particle size diagnostics in nanodusty plasmasThe analysis of the size of nanoparticles is an essential task in plasma technology and dusty plasmas. Light scattering techniques, based on Mie theory, can be used as a non-invasive and in-situ…Alexander Schmitz, Andreas Petersen, Franko Greiner·Oct 2, 2025SaveLearn
Accelerating kinetic plasma simulations with machine learning generated initial conditionsComputer aided engineering of multi-time-scale plasma systems which exhibit a quasi-steady state solution are challenging due to the large number of time steps required to reach convergence. Machine…Andrew T. Powis, Domenica Corona Rivera, Alexander Khrabry et al.·Oct 2, 2025SaveLearn
Suppression of inverse magnetic energy transfer in collisionless marginally magnetized plasmasWe investigate the inverse cascade of magnetic energy in decaying, collisionless plasmas with moderate to high-β values via first-principles numerical simulations and analytical theory. We find…Zhuo Liu, Muni Zhou, Nuno F. G. Loureiro·Oct 2, 2025SaveLearn
Do plasmoids induce fast magnetic reconnection in well-resolved current sheets in 2D MHD simulations?We investigate the development of tearing-mode instability using the highest-resolution two-dimensional magnetohydrodynamic simulations of reconnecting current sheets performed on a uniform grid, for…G. H. Vicentin, G. Kowal, E. M. de Gouveia Dal Pino et al.·Oct 1, 2025SaveLearn
Correlation function metrology for warm dense matter: Recent developments and practical guidelinesX-ray Thomson scattering (XRTS) has emerged as a valuable diagnostic for matter under extreme conditions, as it captures the intricate many-body physics of the probed sample. Recent advances, such as…Maximilian Peter Böhme, Willow Martin, Hannah Bellenbaum et al.·Oct 1, 2025SaveLearn
A study of the electronic and ionic structure, for competing states of fully and partially ionized hydrogen, using the neutral pseudo-atom method as well as a classical map for the electron subsystemProf. Bonitz and his collaborators have made seminal contributions to the study of the uniform electron fluid and the electron-proton fluid, viz., hydrogen, in using ab initio simulations, as…M. W. C. Dharma-wardana·Oct 1, 2025SaveLearn
Detailed Derivation of the Scalar Explicit Expressions Governing the Electric Field, Current Density, and Volumetric Power Density in the Four Types of Linear Divergent MHD Channels Under a Unidirectional Applied Magnetic FieldThe current study belongs to the field of applied mathematics in plasma physics and electric power, where mathematical analysis of the algebraic equations governing the electric field vector, and the…Osama A. Marzouk·Oct 1, 2025SaveLearn
Electron neural closure for turbulent magnetosheath simulations: energy channelsIn this work, we introduce a non-local five-moment electron pressure tensor closure parametrized by a Fully Convolutional Neural Network (FCNN). Electron pressure plays an important role in…George Miloshevich, Luka Vranckx, Felipe Nathan de Oliveira Lopes et al.·Sep 30, 2025SaveLearn
Validation of ERMES 20.0 finite element code for MAST Upgrade O-X mode conversionThis study presents the validation of the frequency-domain finite element code ERMES 20.0, benchmarked against Finite Difference Time Domain (FDTD) solvers. The simulations focus on…Ruben Otin, Ying Hao Matthew Liang, Thomas Wilson et al.·Sep 30, 2025SaveLearn
Persistence of Deuterium and Tritium Nuclear Spin-Polarization in Presence of High-Frequency Plasma WavesWe present first-principles numerical calculations of the depolarization rate of spin-polarized deuterium and tritium nuclei in realistic tokamak plasmas, driven by resonant interactions with plasma…J. W. S. Cook, H. Ali, J. F. Parisi et al.·Sep 29, 2025SaveLearn
Is Turbulence able to Generate Magnetic Islands in Tokamaks? Gyrokinetic Simulations of Turbulence-Driven Magnetic Islands in Toroidal GeometryWe report a universal mechanism for turbulence-driven magnetic islands in fusion plasmas. Using gyrokinetic simulations of a linearly stable tearing mode in a large-aspect-ratio toroidal geometry…Fabien Widmer, Emanuele Poli, Alexey Mishchenko et al.·Sep 29, 2025SaveLearn
Flow Crossover and Parallel Outflow during Collisionless Magnetic ReconnectionUsing particle-in-cell simulations that label ions and electrons according to their initial inflow region, we find that during 2D collisionless magnetic reconnection, the bulk flow of the plasma from…Theerasarn Pianpanit, Kittipat Malakit, Pakkapawn Prapan et al.·Sep 29, 2025SaveLearn
Programmable Focal Elongation and Shaping of High-Intensity Laser Pulses using Adaptive OpticsControlling the intensity distribution of laser pulses in the focal region is essential for optimizing optically generated plasma waveguides and enabling advanced plasma acceleration techniques,…P. Blum, A. Puchert, E. Archer et al.·Sep 27, 2025SaveLearn
Control of kinetic plasma instabilities by laser fieldsWe study the possibility of controlling kinetic plasma instabilities by using lasers to apply external electromagnetic fields. We derive the dispersion relation for the corresponding mathematical…Nicolas Crouseilles, Lukas Einkemmer, Qin Li et al.·Sep 27, 2025SaveLearn
On the mechanism of Pedestal Relaxation Events -- Insights gained by turbulence simulations with GRILLIXPedestal Relaxation Events (PREs) appear in I-mode discharges close to the I-H transition. Although they show certain similarities with Edge Localised Modes (ELMs), i.e. periodic energy ejections,…Christoph Pitzal, Andreas Stegmeir, Tim Happel et al.·Sep 26, 2025SaveLearn
Generation of directed electron beams by tight focusing of an ultrashort IR laser in a near-critical plasmaRecent studies have demonstrated the possibility of accelerating electrons to MeV energies in ambient air using tightly focused laser configurations. In this article, we explore possible strategies…Marianna Lytova, François Fillion-Gourdeau, Simon Vallières et al.·Sep 25, 2025SaveLearn
Electrostatic waves in astrophysical Druyvesteyn plasmas: I. Langmuir wavesPlasmas in various astrophysical systems are in non-equilibrium states as evidenced by direct in-situ measurements in the solar wind, solar corona and planetary environments as well as by indirect…Simon Tischmann, Rudi Gaelzer, Dustin Schröder et al.·Sep 25, 2025SaveLearn
Saturation of the kinetic ballooning instability due to the electron parallel nonlinearityThe electron parallel nonlinearity (EPN) is implemented in the gyrokinetic Particle-in-Cell turbulence code GEM [Y. Chen and S. E. Parker, J. Comp. Phys. 220, 839 (2007)]. Application to the Cyclone…Yang Chen, Scott E. Parker·Sep 25, 2025SaveLearn
Reply to "Comments to Marvel Fusions Mixed Fuels Reactor Concept"In "arXiv:2312.13429" Lackner et al. use standard methods to decide if it is possible to ignite mixed fuels. They correctly identify that the increased radiation losses make ignition…Hartmut Ruhl, Georg Korn·Sep 25, 2025SaveLearn
Energy transfer from MHD-scale slow-mode waves to kinetic-scale ion acoustic wavesLarge-amplitude slow-mode waves are commonly observed near Earth's magnetopause. Recent observations show that these waves can occur simultaneously with kinetic-scale ion acoustic waves. The…Xiaofei Shi, Xin An, Vassilis Angelopoulos·Sep 24, 2025SaveLearn