Three-Dimensional Magnetic Reconnection Spreading in Current Sheets of Non-Uniform ThicknessMagnetic reconnection in naturally occurring and laboratory settings often begins locally and elongates, or spreads, in the direction perpendicular to the plane of reconnection. Previous work has…Milton Arencibia, P. A. Cassak, M. A. Shay et al.·Mar 3, 2023SaveLearn
Energetic Electron Transport in Magnetic Fields with Island Chains and Stochastic RegionsThis paper investigates energetic electron transport in magnetized toroidal plasmas with magnetic fields characterized by island chains and regions of stochastic field lines produced by coil…E G Kostadinova, D M Orlov, M Koepke et al.·Mar 3, 2023SaveLearn
Unappreciated cross-helicity effects in plasma physics: Anti-diffusion effects in dynamo and momentum transportThe cross helicity (velocity--magnetic-field correlation) effects in the magnetic-field induction and momentum transport in the magnetohydrodynamic (MHD) turbulence are investigated with the aid of…Nobumitsu Yokoi·Mar 3, 2023SaveLearn
Quasi-localized charge approximation approach for the nonlinear structures in strongly coupled Yukawa systemsStrongly coupled systems occupying the transitional range between the Wigner crystal and fluid phases are most dynamic constituents of the nature. Highly localized but strongly interacting elements…Prince Kumar, Devendra Sharma·Mar 3, 2023SaveLearn
Laser cluster interaction in external magnetic field: emergence of nearly mono-energetic weakly relativistic electron beamRecent studies [Sci Rep 12, 11256 (2022)] on laser interaction (wavelength 800~nm, intensity >1016\, ) with deuterium nano-cluster in an ambient magnetic field (B0) demonstrate that…Kalyani Swain, S. S. Mahalik, M. Kundu·Mar 3, 2023SaveLearn
Electron inertia effects in 3D hybrid-kinetic collisionless plasma turbulenceThe effects of the electron inertia on the current sheets that are formed out of kinetic turbulence are relevant to understand the importance of coherent structures in turbulence and the nature of…Patricio A. Muñoz, Neeraj Jain, Meisam Farzalipour Tabriz et al.·Mar 2, 2023SaveLearn
Verification of the Fourier-enhanced 3D finite element Poisson solver of the gyrokinetic full-f code PICLSWe introduce and derive the Fourier-enhanced 3D electrostatic field solver of the gyrokinetic full-f PIC code PICLS. The solver makes use of a Fourier representation in one periodic direction of the…Annika Stier, Alberto Bottino, Mathias Boesl et al.·Mar 2, 2023SaveLearn
Drift surface solver for runaway electron current dominant equilibria during the Current QuenchRunaway electron current generated during the Current Quench phase of tokamak disruptions could result in severe damage to future high performance devices. To control and mitigate such runaway…Lu Yuan, Di Hu·Mar 2, 2023SaveLearn
Gyrokinetic simulations of neoclassical electron transport and bootstrap current generation in tokamak plasmas in the TRIMEG codeFor magnetic confinement fusion in tokamak plasmas, some of the limitations to the particle and energy confinement times are caused by turbulence and collisions between particles in toroidal…Lana Rekhviashvili, Zhixin Lu, Matthias Hoelzl et al.·Mar 1, 2023SaveLearn
Automated control and optimisation of laser driven ion accelerationThe interaction of relativistically intense lasers with opaque targets represents a highly non-linear, multi-dimensional parameter space. This limits the utility of sequential 1D scanning of…B. Loughran, M. J. V. Streeter, H. Ahmed et al.·Mar 1, 2023SaveLearn
Fast magneto-acoustic wave turbulence and the Iroshnikov-Kraichnan spectrumAn analytical theory of wave turbulence is developed for pure compressible magnetohydrodynamics in the small β limit. In contrast to previous works where the multiple scale method was not mentioned…Sebastien Galtier·Mar 1, 2023SaveLearn
Prospects for statistical tests of strong-field quantum electrodynamics with high-intensity lasersExploiting high-energy electron beams colliding into high-intensity laser pulses brings an opportunity to reach high values of the dimensionless rest-frame acceleration χ and thereby invoke…Christoffer Olofsson, Arkady Gonoskov·Mar 1, 2023SaveLearn
A Platform for Ultra-fast Proton Probing of Matter in Extreme ConditionsRecent development of Ultra short and Intense laser system paved the way for the generation of short and brilliant proton sources that can be used to study plasmas at extreme conditions in the…Luca Volpe, Alberto Perez, Teresa Cebriano et al.·Mar 1, 2023SaveLearn
Enhanced target normal sheath acceleration with a grooved hydrocarbon targetThe interaction of a high-intensity ultrashort laser pulse with a few microns-thick hydrocarbon target is known to accelerate protons/ions to multi-MeV, on the rear side of the target, via the…Imran Khan, Vikrant Saxena·Feb 28, 2023SaveLearn
Characterization of mesoscopic turbulent transport events with long-radial-range correlation in DIII-D H-mode plasmasA dimensionless collisionality scan has been performed in H-mode plasmas on DIII-D tokamak, with detailed measurements of intermediate-to-high wavenumber turbulence using Doppler backscattering…R. Hong, T. L. Rhodes, Y. Ren et al.·Feb 28, 2023SaveLearn
The Important Electron Impact Collision Cross Sections with MethaneThe electrical discharge plasma in methane is used in many fields of technology and the knowledge of the electron impact cross sections with the molecule of this gas is necessary for the modeling,…Abdelatif Gadoum, Djilali Benyoucef, Rachid Taleb·Feb 28, 2023SaveLearn
Numerical and experimental investigations of a microwave interferometer for the negative ion source SPIDERThe electron density close to the extraction grids and the co-extracted electrons represent a crucial issue when operating negative ion sources for fusion reactors. An excessive electron density in…R. Agnello, R. Cavazzana, I. Furno et al.·Feb 28, 2023SaveLearn
Vibration and jitter of free-flowing thin liquid sheets as target for high-repetition-rate laser-ion accelerationVery thin free-flowing liquid sheets are promising targets for high-repetition-rate laser-ion acceleration. In this work, we report the generation of micrometer-thin free-flowing liquid sheets from…Zhengxuan Cao, Ziyang Peng, Yinren Shou et al.·Feb 28, 2023SaveLearn
Periodic Korteweg-de Vries soliton potentials generate quasisymmetric magnetic fieldsQuasisymmetry (QS) is a hidden symmetry of the magnetic field strength, B, that effectively confines charged particles in a three-dimensional toroidal plasma equilibrium. Here, we show that QS has a…W. Sengupta, N. Nikulsin, S. Buller et al.·Feb 27, 2023SaveLearn
Particle-in-cell modeling of electron beam generated plasmaPlasmas generated using energetic electron beams are well known for their low electron temperature (Te) and plasma potential, which makes them attractive for atomic-precision plasma processing…Shahid Rauf, D. Sydorenko, S. Jubin et al.·Feb 27, 2023SaveLearn
How well can VMEC predict the initial saturation of external kink modes in near circular tokamaks and l=2 stellarators?The equilibrium code, VMEC, is used to study external kinks in low β tokamaks and l=2 stellarators. The applicability of the code when modelling nonlinear MHD effects is explored in an attempt to…Rohan Ramasamy, Matthias Hoelzl, Sophia Henneberg et al.·Feb 26, 2023SaveLearn
Review On Laser Induced Breakdown spectroscopy: Methodology and Technical DevelopmentsIn this review we attempt to provide a brief account of laser induced breakdown spectroscopy (LIBS) methodology and technological developments. We also summarise various methods adopted for…Jinto Thomas, Hem Chandra Joshi·Feb 26, 2023SaveLearn
3D tracking of particles in a dusty plasma by laser sheet tomographyThe collective behavior of levitated particles in a weakly-ionized plasma (dusty plasma) has raised significant scientific interest. This is due to the complex array of forces acting on the…Wentao Yu, Justin C. Burton·Feb 25, 2023SaveLearn
Generation of energetic electrons by surface waves in VHF CCPsCapacitively coupled plasmas (CCP) comprise one of the main tool in active use in the plasma processing industry. However, increasing the driving frequency and electrode size is limited by the…D. Eremin, E. Kemaneci, M. Matsukuma et al.·Feb 24, 2023SaveLearn
Stable radiation field positron acceleration in a micro-tubeNowadays, there is a desperate need for an ultra-acceleration-gradient method for antimatter particles, which holds great significance in exploring the origin of matter, CP violation, astrophysics,…Meiyu Si, Yongsheng Huang, Manqi Ruan et al.·Feb 24, 2023SaveLearn