Synergistic control of radical generation in a radio frequency atmospheric pressure plasma jet via voltage waveform tailoring and structured electrodesThe synergy between voltage waveform tailoring and structured electrodes is investigated in a radio-frequency (RF) atmospheric-pressure microplasma jet operated in helium with a 0.1% oxygen…Mate Vass, Xiaokun Wang, Ihor Korolov et al.·Jun 11, 2025SaveLearn
Impact of model uncertainty on SPARC operating scenario predictions with empirical modelingUnderstanding and accounting for uncertainty helps to ensure next-step tokamaks such as SPARC will robustly achieve their goals. While traditional Plasma OPerating CONtour (POPCON) analyses guide…A. Saltzman, P. Rodriguez-Fernandez, T. Body et al.·Jun 11, 2025SaveLearn
Excitation of whistler and slow-X waves by runaway electrons in a collisional plasmaRunaway electrons are known to provide robust ideal or collisionless kinetic drive for plasma wave instabilities in both the whistler and slow-X branches, via the anomalous Doppler-shifted cyclotron…Qile Zhang, Yanzeng Zhang, Xian-Zhu Tang·Jun 10, 2025SaveLearn
Numerical modeling of isochoric heating experiments using the TROLL code in the warm dense matter regimeExperiments of isochoric heating by protons of solid material were recently performed at LULI laser facilities. In these experiments, protons, produced from target normal sheath acceleration (TNSA)…Sébastien Rassou, Marie Bonneau, Christophe Rousseaux et al.·Jun 10, 2025SaveLearn
Particle collisionality in scaled kinetic plasma simulationsKinetic plasma processes, such as magnetic reconnection, collisionless shocks, and turbulence, are fundamental to the dynamics of astrophysical and laboratory plasmas. Simulating these processes…S. R. Totorica, K. V. Lezhnin, W. Fox·Jun 10, 2025SaveLearn
The effect of plasma expansion on the dispersion properties of MHD wavesIn this work, we employ the set of ideal expanding magnetohydrodynamic (MHD) equations within the Expanding Box Model (EBM) framework to theoretically characterize the effects of radial solar wind…Sebastián Saldivia, Felipe A. Asenjo, Pablo S. Moya·Jun 9, 2025SaveLearn
Thermal Radiation Exchange between Nanoparticles Heated by Arc DischargeThe heating of particles by plasma radiation plays a critical role in space science involving dusty plasma as well as in industrial processes such as plasma vapor deposition, microchip production,…A. Povitsky, M. N. Shneider·Jun 9, 2025SaveLearn
Density jump as a function of the field for parallel relativistic collisionless shocksCollisionless shocks are frequently analyzed using the magnetohydrodynamic formalism (MHD), even though the required collisionality hypothesis is not fulfilled. In a previous work…Antoine Bret, Ramesh Narayan·Jun 9, 2025SaveLearn
Some features in 4-level generation in LIPLsThis paper shows that in Laser-Induced Plasma Lasers (LIPL), the collisionally assisted transitions that lead to the inversion population on an upper-generation level E<sub>up</sub> may be partly…Lev Nagli, Kirill Kulikov, Dima Cheskis·Jun 8, 2025SaveLearn
Enhanced plasma heating via interaction with high-contrast laser and cone-shaped targetWe investigated plasma heating enhancement using a high-intensity, high-contrast laser and a cone-attached target. Fast electron spectra and X-ray emission were measured with an electron spectrometer…Yuga Karaki, Yoshitaka Mori, Eigo Ebisawa et al.·Jun 8, 2025SaveLearn
Collimated Hard X-Rays from Hybrid Laser and Plasma Wakefield AcceleratorsWe report a synergistic enhancement of betatron radiation based on the hybrid laser and plasma wakefield acceleration scheme. Quasi-phase-stable acceleration in an up-ramp plasma density first…Hong Zhang, Jianmeng Wei, Mengyuan Chu et al.·Jun 7, 2025SaveLearn
An analytical optimization of plasma density profiles for downramp injection in laser wake-field accelerationWe propose and detail a multi-step analytical procedure, based on an improved fully relativistic plane model for Laser Wake Field Acceleration, to tailor the initial density of a cold diluted plasma…Gaetano Fiore, Paolo Tomassini·Jun 7, 2025SaveLearn
Numerical investigation of stability of low-current needle-to-plane negative corona discharges in airNegative DC corona discharges are known for their self-pulsing regime: the Trichel pulses. In some works, pulsed regimes, stochastic or periodic, have been observed immediately upon the inception of…N. G. C. Ferreira, P. G. C. Almeida, A. Eivazpour Taher et al.·Jun 7, 2025SaveLearn
A Multiscale Eulerian Vlasov-Rosenbluth-Fokker-Planck Algorithm for Thermonuclear Burning PlasmasAccurate treatment of energetic fusion byproducts in laboratory plasmas often requires a kinetic description, owing to their large birth kinetic energy and long mean-free-paths compared with the…Benjamin L. Reichelt, William T. Taitano, Brett D. Keenan et al.·Jun 7, 2025SaveLearn
An Extended-MHD Model for Handling Low-density Plasmas with Tabular Material ModelsAn extended-MHD model, interfaced with tabular equation-of-state and conductivity models, has been developed in PERSEUS (Physics as an Extended-MHD Relaxation System with an Efficient Upwind Scheme)…Nathaniel D. Hamlin, Matthew R. Martin, Jeffrey M. Woolstrum·Jun 7, 2025SaveLearn
Driven Collisionless Reconnection of Force-free Flux Tubes: From Onset to CoalescenceWe investigate the onset of driven collisionless reconnection and plasmoid formation in a magnetically dominated pair plasma, using 2D Particle-in-Cell simulations. Two force-free flux tubes of…Camille Granier, Daniel Groselj, Luca Comisso et al.·Jun 6, 2025SaveLearn
Bennett Vorticity: A family of nonlinear Shear-Flow Stabilized Z-pinch equilibriaPlasma equilibria are typically treated as arising from distinct mechanisms across different regimes. Here we demonstrate that a single analytic axial flow profile, obtained by exchanging the Bennett…Matt Russell·Jun 6, 2025SaveLearn
Self-seeded photon acceleration by electron beam-driven transition radiationPhoton acceleration (PA) driven by ultra-relativistic electron beams offers a promising approach to generating high-power, high-frequency coherent radiation sources. While current methods typically…Chaolu Ding, Xuesong Geng, Liangliang Ji·Jun 6, 2025SaveLearn
Mean Force Emission Theory for Classical Bremsstrahlung in Electron-Ion PlasmasThis work extends the previously developed mean force emission theory to describe electron-ion plasmas. Results are compared to molecular dynamics simulations. The main extensions are to account for…Julian P. Kinney, Heath J. LeFevre, Carolyn C. Kuranz et al.·Jun 6, 2025SaveLearn
Investigation of Neoclassical Tearing Mode Detection by ECE Radiometry in Tokamak Reactors via Asymptotic Matching TechniquesThe TJ toroidal tearing mode code is used to make realistic predictions of the electron cyclotron emission (ECE) signals generated by neoclassical tearing modes (NTMs) in an ITER-like tokamak plasma…R. Fitzpatrick·Jun 5, 2025SaveLearn
Extending near-axis equilibria in DESCThe near-axis description of optimised stellarator fields has proven to be a powerful tool both for design and understanding of this magnetic confinement concept. The description consists of an…Dario Panici, Eduardo Rodriguez, Rory Conlin et al.·Jun 5, 2025SaveLearn
Electron and gas temperature-driven chemistry during microdischarges formed in water vapour bubblesMicrodischarges formed in bubbles immersed in liquids are of interest for materials synthesis and chemical conversion applications in the frame of plasma-driven electrochemistry. A key challenge…Florens Grimm, Jan-Luca Gembus, Jana Schöne et al.·Jun 5, 2025SaveLearn
Empirical scaling laws for self-focused laser pulses in nitrogen plasmasWe investigate the interaction between a superintense laser pulse and a nitrogen plasma with densities exceeding 1019\,cm-3, using particle-in-cell simulations. Such configurations have…Lorenzo Martelli, Igor Andriyash, Jonathan Wheeler et al.·Jun 5, 2025SaveLearn
Discharge dynamics in a cylindrical SDBD prototype reactor under ns-pulsed and sinusoidal AC operationWe developed a prototype reactor generating surface dielectric barrier discharges (SDBDs) in ambient air, designed for consistent operation while preventing constructive material degradation. It…Konstantinos Giotis, Dimitrios Stefas, Yanis Agha et al.·Jun 5, 2025SaveLearn
Laser-plasma acceleration in a conical plasma channel with longitudinally inhomogeneous plasma profileLaser-plasma acceleration is considered as a modern method of accelerating bunches using a wakefield excited by a laser pulse. This paper demonstrates the use of a longitudinally inhomogeneous…D. S. Bondar, W. Leemans, V. I. Maslov et al.·Jun 4, 2025SaveLearn