Numerical investigation of vacuum ultra-violet emission in Ar/O2 inductively coupled plasmasControlling fluxes of vacuum ultraviolet (VUV) radiation is important in a number of industrial and biomedical applications of low pressure plasma sources because, depending on the process, VUV…Michel Osca Engelbrecht, Jonathan Jenderny, Henrik Hylla et al.·Feb 12, 2024SaveLearn
The Influence of Laser Focusing Conditions on the Direct Laser Acceleration of ElectronsDirect Laser Acceleration (DLA) of electrons during a high-energy, picosecond laser interaction with an underdense plasma has been demonstrated to be substantially enhanced by controlling the laser…H. Tang, K. Tangtartharakul, R. Babjak et al.·Feb 12, 2024SaveLearn
Creating pair plasmas with observable collective effectsAlthough existing technology cannot yet directly produce fields at the Schwinger level, experimental facilities can already explore strong-field QED phenomena by taking advantage of the Lorentz boost…Kenan Qu, Sebastian Meuren, Nathaniel J. Fisch·Feb 12, 2024SaveLearn
On beat-driven and spontaneous excitations of zonal flows by drift wavesUsing the slab plasma as a paradigm model, we have derived analytically equations for the nonlinear generation of zero-frequency zonal flows by electron drift waves including, on the same footing,…Liu Chen, Zhiyong Qiu, Fulvio Zonca·Feb 12, 2024SaveLearn
Drift wave soliton formation via forced-driven zonal flow and implication on plasma confinementIn this work, gyrokinetic theory of drift waves (DWs) self-regulation via the forced driven zonal flow (ZF) is presented, and finite diamagnetic drift frequency due to plasma nonuniformity is shown…Ningfei Chen, Liu Chen, Fulvio Zonca et al.·Feb 12, 2024SaveLearn
Cylindrical compression of thin wires by irradiation with a Joule-class short pulse laserEquation of state measurements at Jovian or stellar conditions are currently conducted by dynamic shock compression driven by multi-kilojoule multi-beam nanosecond-duration lasers. These experiments…Alejandro Laso Garcia, Long Yang, Victorien Bouffetier et al.·Feb 10, 2024SaveLearn
ELM-free Enhanced Dα H-mode with Near Zero NBI Torque Injection in DIII-D TokamakEnhanced Dα H-mode (EDA H-mode), an ELM-free H-mode regime, is explored in neutral beam heated, lower single null plasmas with near zero torque injection. This regime exhibits a good energy…T. Macwan, K. Barada, J. F. Parisi et al.·Feb 9, 2024SaveLearn
Simulation of ion temperature gradient driven modes with 6D kinetic Vlasov codeWith the increase in computational capabilities over the last years it becomes possible to simulate more and more complex and accurate physical models. Gyrokinetic theory has been introduced in the…Mario Raeth, Klaus Hallatschek, Katharina Kormann·Feb 9, 2024SaveLearn
Control of autoresonant plasma beat-wave wakefield excitationAutoresonant phase-locking of the plasma wakefield to the beat frequency of two driving lasers offers advantages over conventional wakefield acceleration methods, since it requires less demanding…M. Luo, C. Riconda, I. Pusztai et al.·Feb 9, 2024SaveLearn
Fluid and kinetic studies of tokamak disruptions using Bayesian optimizationWhen simulating runaway electron dynamics in tokamak disruptions, fluid models with lower numerical cost are often preferred to more accurate kinetic models. The aim of this work is to compare fluid…Ida Ekmark, Mathias Hoppe, Tünde Fülöp et al.·Feb 8, 2024SaveLearn
VSHPIC: A Particle-In-Cell Algorithm Based On Vector Spherical Harmonics ExpansionThe Particle-in-Cell (PIC) simulation has been a widely used method for studying plasma physics. However, fully three-dimensional PIC simulations always require huge computational resources. For…Jianzhao Wang, Weiming An, Rong Tang et al.·Feb 8, 2024SaveLearn
FLARE: field line analysis and reconstruction for 3D plasma boundary modelingThe FLARE code is a magnetic mesh generator that is integrated within a suite of tools for the analysis of the magnetic geometry in toroidal fusion devices. A magnetic mesh is constructed from field…H. Frerichs·Feb 7, 2024SaveLearn
Laboratory study of magnetic reconnection in lunar-relevant mini-magnetospheresMini-magnetospheres are small ion-scale structures that are well-suited to studying kinetic-scale physics of collisionless space plasmas. Such ion-scale magnetospheres can be found on local regions…Lucas Rovige, Filipe D. Cruz, Robert S. Dorst et al.·Feb 7, 2024SaveLearn
SPLEND1D, a reduced one-dimensional model to investigate the physics of plasma detachmentStudying the process of divertor detachment and the associated complex interplay of plasma dynamics and atomic physics processes is of utmost importance for future fusion reactors. Whilst simplified…O. Février, S. Gorno, C. Theiler et al.·Feb 7, 2024SaveLearn
Multiplicity of electron- and photon-seeded electromagnetic showers at multi-petawatt laser facilitiesElectromagnetic showers developing from the collision of an ultra-intense laser pulse with a beam of high-energy electrons or photons are investigated under conditions relevant to future experiments…M. Pouyez, A. A. Mironov, T. Grismayer et al.·Feb 7, 2024SaveLearn
Growth rate of self-sustained QED cascades induced by intense lasersIt was suggested [A. R. Bell & J. G. Kirk, PRL 101, 200403 (2008)] that an avalanche of electron-positron pairs can be triggered in the laboratory by a standing wave generated by intense laser…A. Mercuri-Baron, A. A. Mironov, C. Riconda et al.·Feb 6, 2024SaveLearn
Demonstration of Metaplectic Geometrical Optics for Reduced Modeling of Plasma WavesThe WKB approximation of geometrical optics is widely used in plasma physics, quantum mechanics and reduced wave modeling in general. However, it is well-known that the approximation breaks down at…Rune Højlund Marholt, Mads Givskov Senstius, Stefan Kragh Nielsen·Feb 6, 2024SaveLearn
New Physical Mechanism for LightningThe article is devoted to electromagnetic phenomena in the atmosphere. The set of experimental data on the thunderstorm activity is analyzed. It helps to identify a possible physical mechanism of…S. N. Artekha, A. V. Belyan·Feb 6, 2024SaveLearn
Weibel- and non-resonant Whistler wave growth in an expanding plasma in a 1D simulation geometryAblating a target with an ultraintense laser pulse can create a cloud of collisionless plasma. A density ramp forms, in which the plasma density decreases and the ion's mean speed increases with…M E Dieckmann, L Palodhi, C Fegan et al.·Feb 6, 2024SaveLearn
High-order stochastic integration schemes for the Rosenbluth-Trubnikov collision operator in particle simulationsIn this study, we consider a numerical implementation of the nonlinear Rosenbluth-Trubnikov collision operator for particle simulations in plasma physics in the framework of the finite element method…Zhixin Lu, Guo Meng, Tomasz Tyranowski et al.·Feb 6, 2024SaveLearn
Saturation of fishbone instability through zonal flows driven by energetic particle transport in tokamak plasmasGyrokinetic and kinetic-MHD simulations are performed for the fishbone instability in the DIII-D discharge #178631, chosen for validation of first-principles simulations to predict the energetic…G. Brochard, C. Liu, X. Wei et al.·Feb 6, 2024SaveLearn
Dependence on laser intensity of the number-weighted angular distribution of Compton-scattered photon beamsInverse Compton scattering of an ultra-relativistic electron in the field of a high-intensity laser produces photon beams with angular and spectral distributions that are strongly dependent on the…K. Fleck, T. Blackburn, E. Gerstmayr et al.·Feb 5, 2024SaveLearn
Revisiting the role of cosmic-ray driven Alfvén waves in pre-existing magnetohydrodynamic turbulence. I. Turbulent damping rates and feedback on background fluctuationsAlfvén waves (AWs) excited by the cosmic-ray (CR) streaming instability (CRSI) are a fundamental ingredient for CR confinement. The effectiveness of self-confinement relies on a balance between CRSI…Silvio Sergio Cerri·Feb 5, 2024SaveLearn
Unveiling the Fifth State of Matter: Insights into Ultra-Hot Plasma and its ApplicationsIn this work, we investigate the dissociation energy of the North (N) and South (S) poles of a quantum magnetic particle, incorporated within both classical and quantum mechanical perspectives. A…Mohammad Mehdi Bagheri-Mohagheghi, Behnam Pourhassan, Emmanuel Saridakis et al.·Feb 5, 2024SaveLearn
Classical molecular dynamics simulations of hydrogen plasmas and development of an analytical statistical model for computational validity assessmentClassical molecular dynamics simulations of hydrogen plasmas have been performed with emphasis on the analysis of equilibration process. Theoretical basis of simulation model as well as numerically…M. A. Gigosos, D. Gonzalez-Herrero, R. Florido et al.·Feb 5, 2024SaveLearn