Particle acceleration in relativistic Alfvénic turbulenceStrong magnetically dominated Alfvénic turbulence is an efficient engine of non-thermal particle acceleration in a relativistic collisionless plasma. We argue that in the limit of strong…Cristian Vega, Stanislav Boldyrev, Vadim Roytershteyn·May 13, 2024SaveLearn
Conservative dielectric functions and electrical conductivities from the multicomponent Bhatnagar-Gross-Krook equationA considerable number of semi-empirical and first-principles models have been created to describe the dynamic response of a collisionally damped charged-particle system. However, known challenges…Thomas Chuna, Michael Murillo·May 13, 2024SaveLearn
Two-Plasmon-Decay Instability Stimulated by a Normal- and Large-Angle-Incidence Laser PairThe two-plasmon-decay instability (TPD) is a critical target preheating risk in direct-drive inertial confinement fusion. In this paper, TPD collectively driven by a normal-incidence laser beam…C. -W. Lian, Y. Ji, R. Yan et al.·May 12, 2024SaveLearn
Optimised stellarators with a positive radial electric fieldWe draw attention to an interesting possibility in the design and operation of stellarator fusion reactors, which has hitherto been considered unrealistic under burning-plasma conditions. Thanks to…Per Helander, Alan G. Goodman, Craig D. Beidler et al.·May 11, 2024SaveLearn
Data-driven discovery of a model equation describing self-oscillations of direct current dischargeData-driven techniques developed in recent years for the discovery of equations describing complex physical phenomena open unique opportunities for plasma physics. These methods allow getting…Dmitry Levko·May 11, 2024SaveLearn
Generation of Ultra-Collimated Polarized Attosecond γ-Rays via Beam InstabilitiesPolarized attosecond γ-rays may offer excitation and hyperfine tracking of reactions relevant to nuclear physics, astrophysics, high-energy physics, etc. However, unfortunately, generation of a…Li-Jie Cui, Ke-Jia Wei, Chong Lv et al.·May 10, 2024SaveLearn
Autoresonant laser acceleration of electrons in a strongly magnetized plasma solenoidDirect laser acceleration of electrons is considered in a strongly magnetized plasmoid with the magnetic field strength allowing for reaching the auto-resonance. The plasmoid may be optically created…Iu Gagarin, Ph Korneev·May 10, 2024SaveLearn
Multimodal Super-Resolution: Discovering hidden physics and its application to fusion plasmasA non-linear system governed by multi-spatial and multi-temporal physics scales cannot be fully understood with a single diagnostic, as each provides only a partial view, leading to information loss.…Azarakhsh Jalalvand, SangKyeun Kim, Jaemin Seo et al.·May 9, 2024SaveLearn
Dissociative recombination and vibrational excitation of BF+ in low energy electron collisionsThe latest molecular data - potential energy curves and Rydberg-valence interactions - characterising the super-excited electronic states of BF are reviewed in order to provide the input for the…J. Zs Mezei, F. Colboc, N. Pop et al.·May 9, 2024SaveLearn
Upper and Lower Bounds on Phase-Space RearrangementsBroad classes of plasma phenomena can be understood in terms of phase-space rearrangements. For example, the net effect of a wave-particle interaction may consist of moving populations of particles…E. J. Kolmes, N. J. Fisch·May 9, 2024SaveLearn
Drift-Energy Replacement Effect in Multi-Ion Magnetized PlasmasFast rotation can improve the stability and confinement of fusion plasmas. However, to maintain a rapidly rotating fusion plasma in steady state, significant energy must be invested in spinning up…M. E. Mlodik, E. J. Kolmes, N. J. Fisch·May 9, 2024SaveLearn
Preliminary Exploration on the Low-Pressure Ar-O2 Plasma Generated by Low-Frequency Alternating Current (AC) Power SupplyThis study reports a low-frequency alternating current (AC) power supply as a novel approach for generating low-pressure capacitively coupled Ar-O2 plasma, offering advantages in cost, compactness,…Niaz Wali, W. W. Xiao, Q. U. Din et al.·May 9, 2024SaveLearn
Sheet model description of spatio-temporal evolution of upper-hybrid oscillations in an inhomogeneous magnetic fieldSpatio-temporal evolution of large amplitude upper hybrid oscillations in a cold homogeneous plasma in the presence of an inhomogeneous magnetic field is studied analytically and numerically using…Nidhi Rathee, Someswar Dutta, R. Srinivasan et al.·May 9, 2024SaveLearn
Highest Fusion Performance without Harmful Edge Energy Bursts in TokamakThe path of tokamak fusion and ITER is maintaining high-performance plasma to produce sufficient fusion power. This effort is hindered by the transient energy burst arising from the instabilities at…SangKyeun Kim, Ricardo Shousha, SeongMoo Yang et al.·May 8, 2024SaveLearn
One-dimensional mapping of femtosecond laser filaments using coherent microwave scatteringThis paper reports on the use of coherent microwave scattering (CMS) for spatially resolved electron number density measurements of elongated plasma structures induced at mid-IR femtosecond…Nicholas Babusis, Adam Patel, Rokas Jutas et al.·May 7, 2024SaveLearn
Normal high velocity solid dust impacts on tiles of tokamak-relevant temperatureRunaway electron incidence on plasma facing components triggers explosive events that are accompanied by the expulsion of fast solid debris. Subsequent dust-wall high speed impacts constitute a…Marco De Angeli, Panagiotis Tolias, Francisco Suzuki-Vidal et al.·May 7, 2024SaveLearn
Exploring relaxation dynamics in warm dense plasmas by tailoring non-thermal electron distributions with a free electron laserKnowing the characteristic relaxation time of free electrons in a dense plasma is crucial to our understanding of plasma equilibration and transport. However, experimental investigations of electron…Yuanfeng Shi, Shenyuan Ren, Hyun-kyung Chung et al.·May 7, 2024SaveLearn
Photon-polarization-resolved linear Breit-Wheeler pair production in a laser-plasma systemThe linear Breit-Wheeler (LBW) process, mediated by photon-photon collisions, can emerge as the dominant pair production mechanism in the ultraintense laser-plasma interaction for laser intensities…Huai-Hang Song, Zheng-Ming Sheng·May 7, 2024SaveLearn
ChemPlasKin: a general-purpose program for unified gas and plasma kinetics simulationsThis work introduces ChemPlasKin, a freely accessible solver optimized for zero-dimensional (0D) simulations of chemical kinetics of neutral gas in non-equilibrium plasma environments. By integrating…Xiao Shao, Deanna A. Lacoste, Hong G. Im·May 7, 2024SaveLearn
Hall effect on the joint cascades of magnetic energy and helicity in helical magnetohydrodynamic turbulenceHelical magnetohydrodynamic turbulence with Hall effects is ubiquitous in heliophysics and plasma physics, such as star formation and solar activities, and its intrinsic mechanisms are still not…Running Hu, Jin-Han Xie, Xinliang Li et al.·May 6, 2024SaveLearn
Multiphysics Enabled Numerical Modeling of a Plasma Based Electrically Small VHF-UHF AntennaA three-dimensional model of a novel plasma based electrically small antenna is developed for investigating the gas properties and antenna parameters under a low pressure, low plasma temperature…Samsud Moon·May 5, 2024SaveLearn
Importance of Gas Heating in Capacitively Coupled Radiofrequency Plasma-assisted Synthesis of Carbon NanomaterialsIn pursuit of diamond nanoparticles, a capacitively-coupled radio frequency (CCRF) flow-through plasma reactor was operated with methane argon gas mixtures. Signatures of the final product obtained…Tanvi Nikhar, Sankhadeep Basu, Shota Abe et al.·May 5, 2024SaveLearn
Laser wakefield acceleration of ions with a transverse flying focusThe extreme electric fields created in high-intensity laser-plasma interactions could generate energetic ions far more compactly than traditional accelerators. Despite this promise, laser-plasma…Zheng Gong, Sida Cao, John P. Palastro et al.·May 4, 2024SaveLearn
The role of flow field dynamics in enhancing volatile organic compound conversion in a surface dielectric barrier discharge systemThis study investigates the correlation between flow fields induced by a surface dielectric barrier discharge (SDBD) system and its application for the volatile organic compound (VOC) gas conversion…Alexander Böddecker, Maximilian Passmann, Angie Natalia Torres Segura et al.·May 3, 2024SaveLearn
Neural-Parareal: Dynamically Training Neural Operators as Coarse Solvers for Time-Parallelisation of Fusion MHD SimulationsThe fusion research facility ITER is currently being assembled to demonstrate that fusion can be used for industrial energy production, while several other programmes across the world are also moving…S. J. P. Pamela, N. Carey, J. Brandstetter et al.·May 2, 2024SaveLearn