Dynamics of reactive oxygen species produced by the COST microplasma jetThis study is focused on measuring the densities of the excited molecular oxygen species, O2(a1Δg) and O2(b1Σg+), produced in a COST atmospheric…Sascha Chur, Robin Minke, Youfan He et al.·May 15, 2025SaveLearn
Analyzing atomic oxygen product evolution in Micro Cavity Plasma Arrays by a combination of a Multi-PMT OES Setup and a 0-D Chemical ModelDielectric barrier discharges (DBDs) are widely used in applications such as ozone generation and volatile organic compound treatment, where performance can be enhanced through catalyst integration.…Henrik van Impel, David Steuer, Volker Schulz-von der Gathen et al.·May 15, 2025SaveLearn
Verification of a hybrid gyrokinetic model using the advanced semi-Lagrange code ssVThe super simple Vlasov (ssV) code was developed to study instabilities, turbulence, and reconnection in weakly magnetized plasmas, such as the solar wind in the dissipation range and the edge of…Sreenivasa chary Thatikonda, F. N. De Oliveira-Lopes, A. Mustonen et al.·May 15, 2025SaveLearn
Turbulence and Magnetic Reconnection in Relativistic Multispecies PlasmasSimulations of relativistic plasmas traditionally focus on the dynamics of two-species mixtures of charged particles under the influence of external magnetic fields and those generated by particle…Mario Imbrogno, Claudio Meringolo, Alejandro Cruz-Osorio et al.·May 14, 2025SaveLearn
Orbit-averaging and deposition accuracy for runaway electron beams in hybrid kinetic-MHD simulations of the runaway plateauWe develop a new procedure that combines the Kinetic Orbit Runaway electrons Code (KORC) and the NIMROD extended-MHD code to simulate runaway electrons (REs) in the post-disruption plateau. KORC…O. E. López, D. Vargun, C. D. Hauck et al.·May 14, 2025SaveLearn
Turbulent Transport-Limited Pedestals in TokamaksH-mode operation of tokamak fusion plasmas free of dangerous Type 1 edge-localized-modes (ELMs) requires a non-ELM mechanism for saturating the edge pedestal growth. One possible mechanism is…J. F. Parisi, D. R. Hatch, P. Y. Li et al.·May 14, 2025SaveLearn
Role of ion acoustic instability in magnetic reconnectionWe report on a first-principles numerical study of magnetic reconnection in plasmas with different initial ion-to-electron temperature ratios. In cases where this ratio is significantly below unity,…Dion Li, Zhuo Liu, Nuno F. Loureiro·May 13, 2025SaveLearn
Electron density structure measurements with scattered intense laser beamShort-pulse intense lasers have the potential to model extreme astrophysical environments in laboratories. Although there are diagnostics for energetic electrons and ions resulting from laser-plasma…K. Sakai, K. Himeno, S. J. Tanaka et al.·May 13, 2025SaveLearn
Improved ion bunch quality of conical target irradiated by ultra-intense and ultra-short laserWe conduct particle-in-cell simulations to estimate the effects of circularly and linearly polarized SEL 100 PW lasers on flat Th targets with thicknesses of 50 nm, 100 nm and 250 nm, as well as easy…Wan-Qing Su, Xi-Guang Cao, Chun-Wang Ma et al.·May 13, 2025SaveLearn
Nitrogen oxidation on a plasma-exposed surfaceThe elementary processes during the fixation of nitrogen by plasma catalysis are studied in a low-pressure plasma experiment using N2 and O2 as source gases. The formation of surface groups on…S. C. L. Vervloedt, A. von Keudell·May 13, 2025SaveLearn
Achievement of 1 MA Discharges in Hydrogen-Boron Plasmas on EXL-50UOne mega ampere (MA) plasma discharges were achieved on the EXL-50U spherical torus (ST) in hydrogen-boron (p-B) plasmas with toroidal fields up to 1 T at major radii up to 0.6m. A key innovation in…Yuejiang Shi·May 12, 2025SaveLearn
Nanosecond and microsecond-pulsed plasma-in-liquid treated copper oxide surfacesNanosecond and microsecond plasma-in liquid systems are explored to oxidize or regenerate a copper oxide surface in situ to serve as a catalyst for electrochemical CO2 conversion. The plasma…P. Pottkämper, N. Unteregge, S. Weller et al.·May 12, 2025SaveLearn
Detachment control in KSTAR with Tungsten divertorKSTAR has recently undergone an upgrade to use a new Tungsten divertor to run experiments in ITER-relevant scenarios. Even with a high melting point of Tungsten, it is important to control the heat…Anchal Gupta, David Eldon, Eunnam Bang et al.·May 12, 2025SaveLearn
Ion energy distributions from the impact of an atmospheric dielectric barrier discharge plasma jet on surfacesThe ion energy distribution functions (IEDF) have been measured for a helium atmospheric pressure dielectric barrier discharge jet expanding into the air and impacting a metal or ceramic surface. The…Daniel Henze, Laura Chauvet, Achim von Keudell·May 12, 2025SaveLearn
Axisymmetric Coil Winding Surfaces for Non-Axisymmetric Fusion DevicesStellarators are fusion energy devices that confine a plasma using non-axisymmetric magnetic fields. Complex coils with tight construction tolerances are needed to create such fields. To simplify…J. Biu, R. Jorge·May 12, 2025SaveLearn
Reduction of multiple filamentation due to atmospheric turbulence during the propagation of a laser pulseMultiple filamentation poses a significant challenge for laser pulse propagation in the atmosphere. This article investigates how atmospheric turbulence influences the development of modulational…Alain Bourdier, Hassen Ghalila, Olivier Delage·May 12, 2025SaveLearn
A Tale of Two Polarization Paradoxes I: the Diamagnetic Polarization ParadoxAn accurate calculation of the total polarization charge density in a plasma is essential for a self-consistent determination of the electric field. Yet, for a magnetized plasma, there are two…Ilon Joseph·May 11, 2025SaveLearn
Can electrostatic stresses affect charged water structures in weakly ionized plasmas?This theoretical and numerical study investigates the impact of electrostatic stresses on the shape of charged water structures (grains) in weakly ionized plasmas. We developed an analytic model to…Efstratios M. Kritikos, William A. Goddard, Paul M. Bellan·May 9, 2025SaveLearn
The CHIMERAS Project: Design Framework for the Collisionless HIgh-beta Magnetized Experiment Researching Astrophysical SystemsFrom the near-Earth solar wind to the intracluster medium of galaxy clusters, collisionless, high-beta, magnetized plasmas pervade our universe. Energy and momentum transport from large-scale fields…S. Dorfman, S. Bose, E. Lichko et al.·May 9, 2025SaveLearn
Demonstration of full-scale spatio-temporal diagnostics of solid-density plasmas driven by an ultra-short relativistic laser pulse using an X-ray free-electron laserUnderstanding the complex plasma dynamics in ultra-intense relativistic laser-solid interactions is of fundamental importance to the applications of laser plasma-based particle accelerators, creation…Lingen Huang, Michal Šmíd, Long Yang et al.·May 9, 2025SaveLearn
Seedless magnetic field generation via ultraintense laser irradiation of an aluminum tetrafoilMagnetic field generation and amplification techniques are popular due to their applications in several fields, including laboratory astrophysics and inertial confinement fusion. Microtube Implosion…Jessa Jayne Miranda, Myles Allen Zosa·May 9, 2025SaveLearn
Electromagnetic plasma waves in Big Bounce and Big Crunch cosmologiesWe study the exact dynamics of electromagnetic waves in cold electron-positron plasma in the simplest background of Big Bounce and Big Crunch cosmologies. We show that these waves are described by a…Felipe A. Asenjo·May 9, 2025SaveLearn
Laguerre-Gaussian pulses for spin-polarized ion beam accelerationPolarized particle sources have a plethora of applications, ranging from deep-inelastic scattering to nuclear fusion. One crucial challenge in laser-plasma interaction is maintaining the initial…Lars Reichwein, Tong-Pu Yu, Alexander Pukhov et al.·May 8, 2025SaveLearn
Computational Model for Photoionization in Pure SF6 Streamer at 1-15 atmPhotoionization plays a crucial role in achieving accurate quantitative predictions in SF6 streamer simulations, but accurate models for SF6 photoionization remains limited, motivating this paper.…Zihao Feng, Liyang Zhang, Xiaobing Zou et al.·May 7, 2025SaveLearn
Omnigenous umbilic stellaratorsTo better understand the dependence of the magnetic field structure in the plasma edge on the plasma boundary shape, in the context of X-point and island divertor designs, we define and develop a…R. Gaur, D. Panici, T. M. Elder et al.·May 7, 2025SaveLearn