Preference of Right-Handed Whistler Modes and Helicon Discharge Directionality due to Plasma Density GradientsWhistlers are magnetized plasma waves in planetary magnetospheres. Bounded whistlers, known as helicons, can create high-density laboratory plasmas. We demonstrate reversal of the plasma discharge…Marcel Granetzny, Oliver Schmitz, Michael Zepp·Dec 21, 2022SaveLearn
Efficient kinetic Lattice Boltzmann simulation of three-dimensional Hall-MHD TurbulenceSimulating plasmas in the Hall-MagnetoHydroDynamics (Hall-MHD) regime represents a valuable approach for the investigation of complex non-linear dynamics developing in astrophysical frameworks…Raffaello Foldes, Emmanuel Lévêque, Raffaele Marino et al.·Dec 21, 2022SaveLearn
High-resolution electric field and temperature distributions in positive streamersIn this work, we aim to take a detailed experimental picture of the positive streamer. We apply optical emission spectroscopy to the first negative system (FNS, $ B2Σ u+→ …Siebe Dijcks, Lukáš Kusýn, Jesper Janssen et al.·Dec 21, 2022SaveLearn
Fractal and Wada escape basins in the chaotic particle drift motion in tokamaksThe E× B drift motion of particles in tokamaks provides valuable information on the turbulence-driven anomalous transport. One of the characteristic features of the drift motion…Leonardo C. Souza, Amanda C. Mathias, Iberê L. Caldas et al.·Dec 20, 2022SaveLearn
Temperature analysis of X-ray Thomson scattering dataThe accurate interpretation of experiments with matter at extreme densities and pressures is a notoriously difficult challenge. In a recent work [T.~Dornheim et al., Nature Comm. (in print),…Tobias Dornheim, Maximilian Böhme, Dave Chapman et al.·Dec 20, 2022SaveLearn
Experimental validation of the intensity refractometry principle for density measurements at the edge of a tokamakExperimental validation is presented for a new type of microwave diagnostic, first introduced in the theoretical study in M. Usoltceva et al., Rev. Sci. Instrum. 93, 013502 (2022). A new term is…M. Usoltseva, S. Heuraux, H. Faugel et al.·Dec 19, 2022SaveLearn
Destabilization mechanism of the collisional microtearing mode in magnetized slab plasmasThe destabilization mechanism of the collisional microtearing mode driven by an electron temperature gradient is studied using theoretical analyses and gyrokinetic simulations including a…Mitsuyoshi Yagyu, Ryusuke Numata·Dec 19, 2022SaveLearn
Real time reconstruction of the fast electron spectrum from high intensity laser plasma interaction using gamma counting techniqueX-ray and gamma fluxes from the high intensity laser-plasma interaction are extremely short, well beyond temporal resolution of any detectors. If laser pulses come repetitively, the single photon…A. Zavorotnyi, A. Savel'ev·Dec 17, 2022SaveLearn
Modeling of very high frequency large-electrode capacitively coupled plasmas with a fully electromagnetic particle-in-cell codePhenomena taking place in capacitively coupled plasmas with large electrodes and driven at very high frequencies are studied numerically utilizing a novel energy- and charge-conserving implicit fully…D. Eremin, E. Kemaneci, M. Matsukuma et al.·Dec 17, 2022SaveLearn
The role of plasma-activated water on the growth of freshwater algae Chlorella Pyrenoidosa and Chlorella SorokinianaIn the present work we have conducted two studies. In the first study, we investigated the role of plasma-activated water (PAW) in algae growth inhibition and in the second study, efforts are made to…Vikas Rathore, Sudhir Kumar Nema·Dec 17, 2022SaveLearn
Study the effect of electrode material, its surface, and dielectric material on plasma and properties of plasma-activated waterIn the present work, the significance of various components (ground electrode material and its surface (knurling pitch size), power electrode material and type, and dielectric material) of dielectric…Vikas Rathore, Sudhir Kumar Nema·Dec 17, 2022SaveLearn
Selective generation of reactive oxygen species in plasma activated water using CO2 plasmaIn the present work, a process of a selective generation of reactive oxygen species (ROS) such as H2O2 and dissolved O3 in plasma-activated water (PAW) is discussed. For selective ROS generation,…Vikas Rathore, Sudhir Kumar Nema·Dec 17, 2022SaveLearn
Continuous production for large quantity plasma activated water using multiple plasma device setupIn the present work, a batch and continuous production of plasma-activated water (PAW) is reported. To produce PAW in a batch and continuous manner a multiple plasma device setup is used. The…Vikas Rathore, Chirayu Patil, Sudhir Kumar Nema·Dec 17, 2022SaveLearn
Focusability in the multi-pump Raman amplification of short laser pulsesSpatially combining multiple strong laser beams is a promising concept for achieving ultrahigh laser intensities. Proof-of-principle experiments have been conducted at the National Ignition Facility…K. V. Lezhnin, K. Qu, N. J. Fisch·Dec 17, 2022SaveLearn
Performance assessment of helicon wave heating and current drive in EXL-50 spherical torus plasmasAnalysis of helicon wave heating and current drive capability in EXL-50 spherical torus plasmas has been conducted. It is found that the driven current increases with the launched parallel refractive…G. J. Qiao, D. Luo, S. D. Song et al.·Dec 17, 2022SaveLearn
Electronic Density Response of Warm Dense MatterMatter at extreme temperatures and pressures -- commonly known as warm dense matter (WDM) in the literature -- is ubiquitous throughout our Universe and occurs in a number of astrophysical objects…Tobias Dornheim, Zhandos A. Moldabekov, Kushal Ramakrishna et al.·Dec 16, 2022SaveLearn
Automatic Identification of Edge Localized Modes in the DIII-D TokamakFusion power production in tokamaks uses discharge configurations that risk producing strong Type I Edge Localized Modes. The largest of these modes will likely increase impurities in the plasma and…Finn H. O'Shea, Semin Joung, David R. Smith et al.·Dec 16, 2022SaveLearn
Enhanced plasma current spike formation due to onset of 1/1 kink-tearing reconnection during a massive gas injection processThe formation of the plasma current spike at the end of the thermal quench phase is studied systematically, which is found to strongly correlate to the onset of the 1/1 kink-tearing reconnection in…Shiyong Zeng, Ping Zhu, Haijun Ren·Dec 16, 2022SaveLearn
Proton Imaging of High-Energy-Density Laboratory PlasmasProton imaging has become a key diagnostic for measuring electromagnetic fields in high-energy-density (HED) laboratory plasmas. Compared to other techniques for diagnosing fields, proton imaging is…Derek B. Schaeffer, Archie F. A. Bott, Marco Borghesi et al.·Dec 16, 2022SaveLearn
On the synergy between easier plasma operation and affordable coil-set requirements enabled by Negative Triangularity in the prospective ARC fusion reactorA numerical workflow is developed to explore the viability of running multiple plasma configurations in the ARC fusion pilot plant. Suitable cost functions for various poloidal field coil sets are…Nicolai de Boucaud, Theodore Golfinopoulos, Alessandro Marinoni·Dec 16, 2022SaveLearn
Formation mechanisms of striations in a filamentary dielectric barrier discharge in atmospheric pressure argonFormation mechanisms of striations along the discharge channel of a single-filament dielectric barrier discharge (DBD) in argon at atmospheric pressure are investigated by means of a time-dependent,…Aleksandar P. Jovanović, Tomáš Hoder, Hans Höft et al.·Dec 15, 2022SaveLearn
Numerical Study of Magnetic Island Coalescence Using Magnetohydrodynamics With Adaptively Embedded Particle-In-Cell ModelCollisionless magnetic reconnection typically requires kinetic treatments that are, in general, computationally expensive compared to fluid-based models. In this study, we use the…Dion Li, Yuxi Chen, Chuanfei Dong et al.·Dec 15, 2022SaveLearn
Chaos and complexity in the dynamics of nonlinear Alfvén waves in a magnetoplasmaThe nonlinear dynamics of circularly polarized dispersive Alfvén wave (AW) envelopes coupled to the driven ion sound waves of plasma slow response is studied in a uniform magnetoplasma. By…S. Roy, A. Roy, A. P. Misra·Dec 15, 2022SaveLearn
Parametric study on ion acceleration from the interaction of ultra-high intensity laser pulses with near-critical density gas targetsWe present a parametric study based on 1-D particle-in-cell (PIC) simulations conducted with the objective of understanding the interaction of intense lasers with near-critical non-uniform density…V. Ospina-Bohórquez, A. Debayle, J. J. Santos et al.·Dec 15, 2022SaveLearn
Magnetic field evolution and reconnection in low resistivity plasmasThe mathematics and physics of each of the three aspects of magnetic field evolution -- topology, energy, and helicity -- is remarkably simple and clear. When the resistivity η is small compared to…Allen H. Boozer·Dec 14, 2022SaveLearn