Multipoint Turbulence Analysis with HelioswarmExploration of plasma dynamics in space, including turbulence, is entering a new era of multi-satellite constellation measurements that will determine fundamental properties with unprecedented…Francesco Pecora, Sergio Servidio, Leonardo Primavera et al.·Jan 27, 2023SaveLearn
Bayesian neural network for plasma equilibria in the Korea Superconducting Tokamak Advanced ResearchFusion-graded plasmas are one of the physically complex systems, resulting in continuous establishment of plasma theories for unclarified physical phenomena in order to thoroughly control nuclear…Semin Joung·Jan 27, 2023SaveLearn
Investigating the impact of the molecular charge-exchange rate on detached SOLPS-ITER simulationsPlasma-molecular interactions generate molecular ions which react with the plasma and contribute to detachment through molecular activated recombination (MAR), reducing the ion target flux, and…Kevin Verhaegh, Aelwyn C Williams, David Moulton et al.·Jan 26, 2023SaveLearn
Anisotropic Electron Heating in an Electron Cyclotron Resonance Thruster with Magnetic NozzleIn a grid-less Electron Cyclotron Resonance (ECR) plasma thruster with a diverging magnetic nozzle, the magnitude of the ambipolar field accelerating the positive ions depends of the perpendicular…Jean Porto, Paul-Quentin Elias, Andrea Ciardi·Jan 26, 2023SaveLearn
Coherence and superradiance from a plasma-based quasiparticle acceleratorCoherent light sources, such as free electron lasers, provide bright beams for biology, chemistry, physics, and advanced technological applications. Increasing the brightness of these sources…B. Malaca, M. Pardal, D. Ramsey et al.·Jan 26, 2023SaveLearn
Degradation of methylene blue dye as wastewater pollutant by atmospheric pressure plasma: A comparative studyThe industrial application of non-thermal plasma has been a research field in the last few years. One of the potential applications of non-thermal plasma is in treating dye effluents of textiles…Chintan Vyas, Mangilal Choudhary·Jan 26, 2023SaveLearn
Minimization of the edge modes and near fields of a Travelling Wave Array antenna for WESTThe Travelling Wave Array (TWA) antenna was proposed as a promising alternative for Ion Cyclotron Resonant Heating (ICRH) in future fusion reactors. In this study, the possibility to make a TWA…V. Maquet, R. Ragona, F. Durodié et al.·Jan 25, 2023SaveLearn
Comment on: "Interacting quantum and classical waves: Resonant and non-resonant energy transfer to electrons immersed in an intense electromagnetic wave'' [Phys. Plasmas 29, 022107 (2022)]A comment on the paper by S. M. Mahajan and F. A. Asenjo "Interacting quantum and classical waves: Resonant and non-resonant energy transfer to electrons immersed in an intense electromagnetic…A. Macchi·Jan 23, 2023SaveLearn
Direct Microstability Optimization of Stellarator DevicesTurbulent transport is regarded as one of the key issues in magnetic confinement nuclear fusion, both for tokamaks in stellarators. In this work, we show that a significant decrease in a…R. Jorge, W. Dorland, P. Kim et al.·Jan 23, 2023SaveLearn
Improving dynamic collision frequencies: impacts on dynamic structure factors and stopping powers in warm dense matterSimulations and diagnostics of high-energy-density plasmas and warm dense matter rely on models of material response properties, both static and dynamic (frequency-dependent). Here, we systematically…Thomas W. Hentschel, Alina Kononov, Alexandra Olmstead et al.·Jan 23, 2023SaveLearn
Optimization of transformer ratio and beam loading in a plasma wakefield accelerator with a structure-exploiting algorithmPlasma-based acceleration has emerged as a promising candidate as an accelerator technology for a future linear collider or a next-generation light source. For a linear collider, the energy transfer…Q. Su, J. Larson, T. N. Dalichaouch et al.·Jan 23, 2023SaveLearn
Demonstration of the etching cobalt oxide grown on the stainless steel as a base metal surface using F2/He dielectric barrier discharge plasma in atmospheric pressureMetal surface cleaning or etching techniques using reactive plasma are emerging as one of the dry processing techniques for surface contaminants with high bond energy, especially for cleaning and…Mohammad Askari, Nikoo Darestani Farahaniand Mehdi Bakhshzad Mahmoudi, Fereydoun Abbasi Davani·Jan 22, 2023SaveLearn
Probing non-linear MHD stability of the EDA H-mode in ASDEX UpgradeRegimes of operation in tokamaks that are devoid of large ELMs have to be better understood to extrapolate their applicability to reactor-relevant devices. This paper describes non-linear extended…A Cathey, M Hoelzl, L Gil et al.·Jan 22, 2023SaveLearn
Advances in the Implementation of the Exactly Energy Conserving Semi-Implicit (ECsim) Particle in Cell MethodThe Energy Conserving semi-implicit method (ECsim), presented by Lapenta in 2017, is a Particle in Cell (PIC) algorithm for the simulation of plasmas. Energy conservation is achieved within a…Giovanni Lapenta·Jan 21, 2023SaveLearn
Validation of non-equilibrium kinetics in CO2-N2 plasmasThis work explores the effect of N2 addition on CO2 dissociation and on the vibrational kinetics of CO2 and CO under various non-equilibrium plasma conditions. A self-consistent kinetic model,…C. Fromentin, T. Silva, T. C. Dias et al.·Jan 21, 2023SaveLearn
Interaction of thin tungsten and tantalum films with ultrashort laser pulses: calculations from first principlesThe interaction of ultrashort laser pulses with thin tungsten and tantalum films is investigated through the full-potential band-structure calculations. Our calculations show that at relatively low…N. A. Smirnov·Jan 20, 2023SaveLearn
Platform for Probing Radiation Transport Properties of Hydrogen at Conditions Found in the Deep Interiors of Red DwarfsWe describe an experimental concept at the National Ignition Facility for specifically tailored spherical implosions to compress hydrogen to extreme densities (up to 800× solid density,…J. Lütgert, M. Bethkenhagen, B. Bachmann et al.·Jan 20, 2023SaveLearn
Deposition rate controls nucleation and growth during amorphous/nanocrystalline competition in sputtered Zr-Cr thin filmsDual-phase Zr-based thin films synthesized by magnetron co-sputtering and showing competitive growth between amorphous and crystalline phases have been reported recently. In such films, the amorphous…Q. Liebgott, A. Borroto, Z. Fernández-Gutiérrez et al.·Jan 20, 2023SaveLearn
Revealing the supercritical dynamics of dusty plasmas and their liquid-like to gas-like dynamical crossoverDusty plasmas represent a powerful playground to study the collective dynamics of strongly coupled systems with important interdisciplinary connections to condensed matter physics. Due to the pure…Dong Huang, Matteo Baggioli, Shaoyu Lu et al.·Jan 20, 2023SaveLearn
Charged particle beam transport in a flying focus pulse with orbital angular momentumWe demonstrate the capability of Flying Focus (FF) laser pulses with = 1 orbital angular momentum (OAM) to transversely confine ultra-relativistic charged particle bunches over macroscopic…Martin Formanek, John P. Palastro, Marija Vranic et al.·Jan 19, 2023SaveLearn
Analytic insights into nonlocal energy transport: Steady State Fokker Planck theory in arbitrary Z plasmasThe generation of energetic electrons in laser fusion in an important issue. The electrons may either arise from a laser plasma instability, or from the uncoupled high temperature tail of a…Wallace Manheimer·Jan 19, 2023SaveLearn
MHD simulations of formation, sustainment and loss of Quiescent H-mode in the all-tungsten ASDEX UpgradePeriodic edge localized modes (ELMs) are the non-linear consequences of pressure-gradient-driven ballooning modes and current-driven peeling modes becoming unstable in the pedestal region of high…Lorenz Meier, Matthias Hoelzl, Andres Cathey et al.·Jan 18, 2023SaveLearn
The impact of fusion-born alpha particles on runaway electron dynamics in ITER disruptionsIn the event of a tokamak disruption in a D-T plasma, fusion-born alpha particles take several milliseconds longer to thermalise than the background. As the damping rates drop drastically following…Andrej Lier, Gergely Papp, Philipp Lauber et al.·Jan 18, 2023SaveLearn
Particle-in-cell simulations of Alfvén wave parametric decay in a low-beta plasmaWe study the parametric decay instability of parallel propagating Alfvén wave in a low-beta plasma using one-dimensional fully kinetic simulations. We focus for the first time on the conversion of…C. A Gonzalez, Maria Elena Innocenti, Anna Tenerani·Jan 18, 2023SaveLearn
Neoclassical transport in strong gradient regions of large aspect ratio tokamaksWe present a new neoclassical transport model for large aspect ratio tokamaks where the gradient scale lengths are of the size of the poloidal gyroradius. Previous work on neoclassical transport…Silvia Trinczek, Felix I. Parra, Peter J. Catto et al.·Jan 17, 2023SaveLearn