Spatiotemporal THz emission from radial and longitudinal wakefields by copropagating chirped lasers in magnetized rippled plasmaThe excitation of radial and longitudinal wake-fields by two co-propagating chirped laser pulses in a rippled, magnetized plasma has been examined. This study aimed to clarify the spatiotemporal…A. A. Molavi Choobini, F. M. Aghamir·Nov 12, 2025SaveLearn
A Fully Spin and Polarization Resolved Strong Field QED Algorithm for Particle-in-Cell CodesModern ultra-intense laser facilities can generate electromagnetic fields strong enough to accelerate particles to near-light speeds over micron-scale distances and also approach the QED critical…Q. Qian, D. Seipt, M. Vranic et al.·Nov 12, 2025SaveLearn
Molecular Dynamics Simulations of Temperature Relaxation in Non-Neutral Plasmas Relevant to Antimatter ExperimentsAn important process for antimatter experiments is the cooling of particles in a Penning-Malmberg trap to experimentally useful temperatures. A non-neutral plasma of one species (e.g. antiprotons)…James C. Welch, Louis Jose, Timothy D. Tharp et al.·Nov 12, 2025SaveLearn
Enabling Integrated AI Control on DIII-D: A Control System Design with State-of-the-art ExperimentsWe present the design and application of a general algorithm for Prediction And Control using MAchiNe learning (PACMAN) in DIII-D. Machine learing (ML)-based predictors and controllers have shown…Andrew Rothstein, Hiro Joseph Farre-Kaga, Jalal Butt et al.·Nov 11, 2025SaveLearn
On How Avalanches Penetrate the SOL and Broaden Heat LoadsRecent experiments reported a correlation between power law core temperature spectra and Dα emission, suggesting that heat avalanches penetrate the SOL. This paper derives a threshold…Y. Kosuga, R. Matsui, P. H. Diamond·Nov 11, 2025SaveLearn
Collisional stopping power of ions in warm dense matterA model for the collisional stopping of ions on free electrons in warm dense matter is developed and explored. It is based on plasma kinetic theory, but with modifications to address the warm dense…Lucas Babati, Shane Rightley, Nathaniel Shaffer et al.·Nov 11, 2025SaveLearn
Response of a magnetically diverted tokamak plasma to a resonant magnetic perturbationThe safety-factor profile of a magnetically diverted tokamak plasma diverges logarithmically as the magnetic separatrix (a.k.a. the last closed magnetic flux-surface) is approached. At first sight,…R. Fitzpatrick·Nov 10, 2025SaveLearn
Design and operation of APEX-LD: a compact levitated dipole for the confinement of electron-positron pair plasmasThe objective of the APEX (A Positron-Electron eXperiment) project is to magnetically confine and study electron--positron pair plasmas. For this purpose, a levitated dipole trap (APEX-LD) has been…A. Card, M. R. Stoneking, A. Deller et al.·Nov 10, 2025SaveLearn
Reduced kinetic model for ion temperature gradient instability in tokamaks with reversed magnetic shearUsing the averaged magnetic drift model and a first-order finite Larmor radius (FLR) expansion, the eigenvalue equation for the ion temperature gradient (ITG) mode in tokamak plasmas is reduced to a…B. Jia, Q. Zhong, Y. Li et al.·Nov 10, 2025SaveLearn
Conceptual design of Thomson scattering system with high wavelength resolution in magnetically confined plasmas for electron phase-space measurementsWe discuss the conceptual design of a spatially-resolved spectroscopy system of Thomson scattering with high wavelength resolution capable of measuring the shape of electron velocity distribution…Kentaro Sakai, Kentaro Tomita, Takeo Hoshi et al.·Nov 9, 2025SaveLearn
Beam-tracing and profile evolution for localised beams in inhomogeneous plasmasWe derive the beam tracing and profile evolution for the propagation of any localised beam with arbitrary profile through an inhomogeneous cold plasma. We recover standard Gaussian beam-tracing, with…Lewin B. S. Marsh, Felix I. Parra, Valerian H. Hall-Chen et al.·Nov 9, 2025SaveLearn
Fusion alpha particle momentum deposition in thermonuclear burn dynamicsIn inertial confinement fusion, the DT fusion alpha particles carry not only energy but also appreciable momentum that is typically neglected in models of thermonuclear burn. In the central hotspot…A. J. Crilly, B. D. Appelbe, E. A. Ferdinandi et al.·Nov 8, 2025SaveLearn
Gigagauss magnetic fields generated via theta-pinching driven by multiple petawatt-class lasersExtremely high axial magnetic fields above the gigagauss (GG) level are supposed to exist in neutron stars, which may be a one of the critical parameters for their internal structures and be…Huanyu Song, Zhengming Sheng, Linzheng Wang et al.·Nov 7, 2025SaveLearn
Electromagnetic plasma wave modes propagating along light-cone coordinatesWe present new electromagnetic plasma wavepacket solutions that propagates in one time and one space coordinates. Differently to the usual plane wave solution, which is written in terms of separation…Felipe A. Asenjo, Swadesh M. Mahajan·Nov 6, 2025SaveLearn
Approaching the thermodynamic limit of a bounded one-component plasmaThe classical one-component plasma (OCP) bounded by a spherical surface reflecting ions (BOCP) is studied using molecular dynamics (MD). Simulations performed for a series of sufficiently large…D. I. Zhukhovitskii, E. E. Perevoshchikov·Nov 6, 2025SaveLearn
Lightning-Induced Faults in Low-Voltage Distribution Networks via Hybrid VTS-PEEC MethodAs a critical component of power supply systems, low-voltage distribution net-works directly affect grid stability and user power supply reliability, yet they face significant threats from…Xiaobing Xiao, Xipeng Chen, Lei Jia et al.·Nov 6, 2025SaveLearn
Modeling of Injected Current Stream-Induced 3D Perturbations in Local Helicity Injection PlasmasSolenoid-free tokamak startup techniques are essential for spherical tokamaks and offer a pathway to cost reduction and design simplification in fusion energy systems. Local helicity injection (LHI)…C. E. Schaefer, A. C. Sontag, N. M. Ferraro et al.·Nov 6, 2025SaveLearn
First global gyrokinetic profile predictions of ITER burning plasmaIn this work, we present the first global gyrokinetic simulations of the ITER baseline scenario operating at 15 MA using GENE-Tango electrostatic and electromagnetic simulations. The modeled radial…A. Di Siena, C. Bourdelle, A. Bañón Navarro et al.·Nov 5, 2025SaveLearn
Particle-in-cell simulations of laser crossbeam energy transfer via magnetized ion-acoustic waveLarge magnetic fields, either imposed externally or produced spontaneously, are often present in laser-driven high-energy-density systems. In addition to changing plasma conditions, magnetic fields…Yuan Shi, John D. Moody·Nov 5, 2025SaveLearn
Theory of a dynamic plasma flow pressure sensorThe problem of reconstructing the time dependence of the dynamic pressure of a plasma jet impinging on one end of a solid rod based on the measured displacement of the opposite end has been solved.…Evgeny Kolesnikov, Igor Kotelnikov, Vadim Prikhodko·Nov 4, 2025SaveLearn
Relativistic multistage resonant and trailing-field acceleration induced by large-amplitude Alfvén waves in a strong magnetic fieldWe propose a particle acceleration mechanism driven by large-amplitude Alfvén waves in a strong magnetic field. The acceleration process proceeds through multiple stages triggered by…S. Isayama, S. Matsukiyo, T. Sano et al.·Nov 4, 2025SaveLearn
Simulation of multi-species kinetic instabilities with the Numerical Flow IterationKinetic instabilities are one of the most challenging aspects in computational plasma physics. Accurately capturing their onset and evolution requires fine resolution of the high-dimensional…Rostislav-Paul Wilhelm, Manuel Torrilhon·Nov 4, 2025SaveLearn
Laser diagnostics for negative ion source optimization: insights from SPIDER at the ITER Neutral Beam Test FacilityThe ITER Heating Neutral Beams (HNBs) require large, high-energy H/D atom beams (285/330 A/m2 extracted current density, and 1/0.87 MeV acceleration energy, respectively for H and D). To address the…R. Agnello, M. Barbisan, R. Pasqualotto et al.·Nov 4, 2025SaveLearn
Detecting Shearless Phase-Space Transport Barriers in Global Gyrokinetic Turbulence Simulations with Test Particle Map ModelsIn magnetically confined fusion plasmas, the role played by zonal E×B flow shear layers in the suppression of turbulent transport is relatively well-understood. However, less is understood…Norman M. Cao, Hongxuan Zhu, Gabriel C. Grime et al.·Nov 3, 2025SaveLearn
Unified Model of Heated Plasma ExpansionMotivated by the need to predict plasma density and temperature distributions created in the early stages of high-intensity laser-plasma interactions, we develop a fluid model of plasma expansion…Ritwik Sain, Lance Labun, Ou Z. Labun et al.·Nov 3, 2025SaveLearn