Verification of Electromagnetic Fully-kinetic Symplectic Particle-in-cell Method in Microinstabilities Simulation ofWe present a symplectic electromagnetic fully-kinetic particle-in-cell simulation of microinstabilities in plasma, using parameters from the Cyclone Base Case [Dimits, et al., Physics of Plasmas 7,…Jianyuan Xiao, Jian liu·Mar 29, 2025SaveLearn
Quasi-monoenergetic multi-GeV electron acceleration in a plasma waveguideLaser-plasma accelerators present a promising alternative to conventional accelerators. To fully exploit the extreme amplitudes of the plasma fields and produce high-quality beams, precise control…Ronan Lahaye, Kosta Oubrerie, Olena Kononenko et al.·Mar 28, 2025SaveLearn
Towards Intelligent Control of MeV Electrons and Protons from kHz Repetition Rate Ultra-Intense Laser InteractionsUltra-intense laser-matter interactions are often difficult to predict from first principles because of the complexity of plasma processes and the many degrees of freedom relating to the laser and…Nathaniel Tamminga, Scott Feister, Kyle D. Frische et al.·Mar 27, 2025SaveLearn
Numerical proof-of-concept of a photon, proton, and positron laser-driven source with nanostructured targetsA source of high-energy photons, ions, and positrons can be attained with the interaction of ultra-intense femtosecond laser pulses with advanced nanostructured targets. We present and characterise a…Marta Galbiati, Kevin Ambrogioni, Leonardo Francesco Claudio Monaco et al.·Mar 27, 2025SaveLearn
Multiscale geometrical Lagrangian statistics of heavy impurities in drift-wave turbulenceWe investigate the behavior of heavy impurities in edge plasma turbulence by analyzing their trajectories using the Hasegawa-Wakatani model. Through direct numerical simulations, we track ensembles…Zetao Lin, Benjamin Kadoch, Saddrudin Benkadda et al.·Mar 27, 2025SaveLearn
Effect of convective transport in edge/SOL plasmas of ADITYA-U tokamakThe 2-D edge plasma fluid transport code, UEDGE has been used to simulate the edge region of circular limiter plasmas of ADITYA-U for modelling the measured electron density profile. The limiter…Ritu Dey, Joydeep Ghosh, Tanmay M. Macwan et al.·Mar 27, 2025SaveLearn
High-Performance Computational Magnetohydrodynamics with PythonWe present the AGATE simulation code, a Python-based framework developed primarily for solving the magnetohydrodynamics (MHD) equations while maintaining adaptability to other equation sets. The code…Chris Bard, John Dorelli·Mar 26, 2025SaveLearn
Experimental Signatures for Identifying Distinct Origins of Color Field GenerationSignatures for non-abelian dynamics have long been central to QCD and QGP. Equally important are they in spin systems and laser-plasma interactions, where they emerge as effective interactions.…Subramanya Bhat K. N., Amita Das, Bhooshan Paradkar et al.·Mar 26, 2025SaveLearn
Determination of non-local characteristics of density transport in 2D simulations of the SOLBy use of Lagrangian tracers propagated on 2D simulations of Scrape-Off Layer (SOL) turbulence, we are able to determine the non-local fractional-advection, fractional-diffusion equation (FADE)…T. Gheorghiu, F. Militello, J. Juul Rasmussen·Mar 26, 2025SaveLearn
The effect of shear flow on the resistive tearing instabilityWe develop a new scaling theory for the resistive tearing mode instability of a current sheet with a strong shear flow across the layer. The growth rate decreases with increasing flow shear and is…Alfred Mallet, Stefan Eriksson, Marc Swisdak et al.·Mar 26, 2025SaveLearn
Flat-top electron velocity distributions driven by wave-particle resonant interactionsThe role of kinetic electrons in the excitation and sustainment of ion-bulk electrostatic waves in collisionless plasmas is investigated, with a focus on the physical mechanisms responsible for the…Sofia Zanelli, Silvia Perri, Martina Condoluci et al.·Mar 26, 2025SaveLearn
An Energy-Efficient Atmospheric Plasma Jet Line Enabled by a Dielectric Microwave Anapole SourceCold atmospheric pressure plasmas are crucial for applications in medicine, agriculture, and material processing, where their interaction with ambient air generates reactive oxygen and nitrogen…Muhammad Rizwan Akram, Abbas Semnani·Mar 25, 2025SaveLearn
EFIT-mini: An Embedded, Multi-task Neural Network-driven Equilibrium Inversion AlgorithmEquilibrium reconstruction, which infers internal magnetic fields, plasmas current, and pressure distributions in tokamaks using diagnostic and coil current data, is crucial for controlled magnetic…Guohui Zheng, Songfen Liu, Huasheng Xie et al.·Mar 25, 2025SaveLearn
Convective Nature of the Stimulated Raman Side Scattering in Inertial Confinement FusionThe absolute growth of Stimulated Raman side scattering (SRSS) predicted by previous theories appeared to be surprisingly absent in the recent ignition-scale direct-drive experiments with the absence…F. -X. Zhou, C. -W. Lian, R. Yan et al.·Mar 25, 2025SaveLearn
Experimental Evidence of Vortex γ Photons in All-Optical Inverse Compton ScatteringVortex γ photons carrying orbital angular momenta (OAM) hold great potential for various applications. However, their generation remains a great challenge. Here, we successfully generate sub-MeV…Mingxuan Wei, Siyu Chen, Yu Wang et al.·Mar 24, 2025SaveLearn
Coupled 2-D MHD and runaway electron fluid simulations of SPARC disruptionsRunaway electrons (REs) generated during disruption events in tokamaks can carry mega-Ampere level currents, potentially causing damage to plasma-facing components. Understanding RE evolution during…R. Datta, C. Clauser, N. Ferraro et al.·Mar 24, 2025SaveLearn
Phase Stability Analysis of Volume-preserving Algorithms for Accurate Single Particle Orbit Simulations in Tokamak PlasmasSecond-order Volume-preserving algorithms (VPAs) for simulating charged particle motion in electromagnetic fields have been generalized to a rotating angle formulation by using the matrix…Jian Wang, Xiaodong Zhang, Lei Ye et al.·Mar 24, 2025SaveLearn
T3ST code: Turbulent Transport in Tokamaks via Stochastic TrajectoriesWe introduce the Turbulent Transport in Tokamaks via Stochastic Trajectories (T3ST) code, designed to address the problem of turbulent transport using a statistical approach complementary to…D. I. Palade, L. M. Pomarjanschi·Mar 24, 2025SaveLearn
ANEMONE: a fully three-dimensional solid-state electro-aerodynamic propulsion system simulatorSolid-state electro-aerodynamic propulsion systems are devices that utilize atmospheric pressure corona discharge and have been actively researched in recent years as a means of achieving silent…Hisaichi Shibata, Soya Shimizu, Takahiro Nozaki·Mar 23, 2025SaveLearn
Aligning Thermal and Current Quenches with a High Density Low-Z InjectionThe conventional approach for thermal quench mitigation in a tokamak disruption is through a high-Z impurity injection that radiates away the plasma's thermal energy before it reaches the wall.…Jason Hamilton, Luis Chacon, Giannis Keramidas et al.·Mar 21, 2025SaveLearn
Bayesian optimisation of poloidal field coil positions in tokamaksThe tokamak is a world-leading concept for producing sustainable energy via magnetically-confined nuclear fusion. Identifying where to position the magnets within a tokamak, specifically the poloidal…Timothy Nunn, Kamran Pentland, Vignesh Gopakumar et al.·Mar 21, 2025SaveLearn
HEART: A New X-Ray Tracing Code for Mosaic Crystal SpectrometersWe introduce a new open-source Python x-ray tracing code for modelling Bragg diffracting mosaic crystal spectrometers: High Energy Applications Ray Tracer (HEART). HEART's high modularity enables…Thomas Gawne, Sebastian Schwalbe, Thomas Chuna et al.·Mar 21, 2025SaveLearn
Discontinuous Galerkin Representation of the Maxwell-Jüttner DistributionKinetic simulations of relativistic gases and plasmas are critical for understanding diverse astrophysical and terrestrial systems, but the accurate construction of the relativistic Maxwellian, the…Grant Johnson, Ammar Hakim, James Juno·Mar 21, 2025SaveLearn
Universal fluctuation spectrum of Vlasov-Poisson turbulenceThe thermal fluctuation spectrum of the electric field arising due to particle noise in a quiescent Vlasov-Poisson plasma was derived in the 1960s. Here, we derive the universal fluctuation spectrum…Michael L. Nastac, Robert J. Ewart, James Juno et al.·Mar 21, 2025SaveLearn
Verification of the PICLS electromagnetic upgrade in mixed variablesThe gyrokinetic particle-in-cell code PICLS is a full-f finite element tool to simulate turbulence in the tokamak scrape-off layer. During the previous year, the capability of PICLS was extended to…Annika Stier, Alberto Bottino, David Coster et al.·Mar 21, 2025SaveLearn