Ion-Sound Waves in UHF Discharge Plasma Injected in Open Magnetic TrapWe investigate in stationary regime on the linear plasma device OMT-2 the methods of plasma heating by electromagnetic waves, interaction of electromagnetic waves with magnetoactive plasma and plasma…S. Nanobashvili, Z. Beria, G. Gelashvili et al.·Feb 24, 2023SaveLearn
Ion heating in Laser interacting with magnetized plasmaThe ion heating mechanism in the context of laser interacting with plasma immersed in a strong magnetic field is studied. The magnetic field is chosen to be strong for laser electromagnetic field…Rohit Juneja, Trishul Dhalia, Laxman Prasad Goswami et al.·Feb 24, 2023SaveLearn
Confinement Time and Ambipolar Potential in a Relativistic Mirror-Confined PlasmaAdvanced aneutronic fusion fuels such as proton-Boron11 tend to require much higher temperatures than conventional fuels like deuterium-tritium. For electrons, the bulk plasma temperature can…I. E. Ochs, V. R. Munirov, N. J. Fisch·Feb 23, 2023SaveLearn
Measure of negative ion density in a large negative ion source using Langmuir probesNeutral Beam Injectors (NBIs) based on negative ions are the workhorses of future fusion reactors, such as ITER, which they are expected to provide with up to 33MW of power to heat the fusion…Carlo Poggi, Monica Spolaore, Marco Barbisan et al.·Feb 23, 2023SaveLearn
One Dimensional Modeling Of Dielectric Barrier Discharge in Pure Oxygen at Atmospheric Pressure Using Comsol MultiphysicsThis paper present a model of dielectric barrier discharge DBD describe and simulate the electrical breakdown at atmospheric pressure in pure oxygen using Comsol Multiphysics for the better…Mohammed Habib Allah Lahouel, Djilali Benyoucef, Abdelatif Gadoum·Feb 23, 2023SaveLearn
MST Resistive Wall Tearing Mode SimulationsThe Madison Symmetric Torus (MST) is a toroidal device that, when operated as a tokamak, is resistant to disruptions. Unlike most tokamaks, the MST plasma is surrounded by a close fitting highly…H. R. Strauss, B. E. Chapman, N. C. Hurst·Feb 23, 2023SaveLearn
Double-pulse streamer simulations for varying interpulse times in airIn this paper, we study how streamer discharges are influenced by a previous voltage pulse using an axisymmetric fluid model. We simulate double-pulse positive streamers in N2-O2 mixtures containing…H. Malla, A. Martinez, U. Ebert et al.·Feb 22, 2023SaveLearn
Ultrarelativistic electron beams accelerated by terawatt scalable kHz laserWe show the laser-driven acceleration of unprecedented, collimated ( 2 \ mrad divergence), and quasi-monoenergetic ( 25 \ \% energy spread) electron beams with energy up to $ 50 \…C. M. Lazzarini, G. M. Grittani, P. Valenta et al.·Feb 22, 2023SaveLearn
Direct Optimization of Fast-Ion Confinement in StellaratorsConfining energetic ions such as alpha particles is a prime concern in the design of stellarators. However, directly measuring alpha confinement through numerical simulation of guiding-center…David Bindel, Matt Landreman, Misha Padidar·Feb 22, 2023SaveLearn
Harmonic generation in magnetized plasma for Electromagnetic wave propagating parallel to external magnetic fieldThe harmonic generation has always been of fundamental interest in studying the nonlinear nature of any physical system. In the present study, Particle - In - Cell (PIC) simulations have been carried…Trishul Dhalia, Rohit Juneja, Laxman Prasad Goswami et al.·Feb 22, 2023SaveLearn
Revealing Non-equilibrium and Relaxation in Warm Dense MatterExperiments creating extreme states of matter almost invariably create non-equilibrium states. These are very interesting in their own right but need to be understood even if the ultimate goal is to…Jan Vorberger, Thomas R. Preston, Nikita Medvedev et al.·Feb 22, 2023SaveLearn
Single-Stage Stellarator Optimization: Combining Coils with Fixed Boundary EquilibriaWe introduce a novel approach for the simultaneous optimization of plasma physics and coil engineering objectives using fixed-boundary equilibria that is computationally efficient and applicable to a…R. Jorge, A. Goodman, M. Landreman et al.·Feb 21, 2023SaveLearn
Ponderomotive Recoil for Electromagnetic WavesWhen waves damp or amplify on resonant particles in a plasma, the nonresonant particles experience a recoil force that conserves the total momentum between the particles and electromagnetic fields.…I. E. Ochs, N. J. Fisch·Feb 21, 2023SaveLearn
Gas Kinetic Schemes for Solving the Magnetohydrodynamic Equations with Pressure AnisotropyIn many astrophysical plasmas, the Coulomb collision is insufficient to maintain an isotropic temperature, and the system is driven to the anisotropic regime. In this case, magnetohydrodynamic (MHD)…Hongyang Luo, John G. Lyon, Binzheng Zhang·Feb 21, 2023SaveLearn
Argon, neon, and nitrogen impurity transport in the edge and SOL regions of a TokamakNumerical simulations of the interchange plasma turbulence in the presence of medium-Z impurities (N2 , Ne, Ar) seeding have been performed using BOUT++. These simulation results are used to study…Shrish Raj, Nirmal Bisai, Vijay Shankar et al.·Feb 21, 2023SaveLearn
A bespoke multigrid approach for magnetohydrodynamics models of magnetized plasmas in PETScFully realizing the potential of multigrid solvers often requires custom algorithms for a given application model, discretizations and even regimes of interest, despite considerable effort from the…Mark F. Adams, Matthew K. Knepley·Feb 21, 2023SaveLearn
An efficient numerical method for charged particle transport based on hybrid collision model and machine learningCharged particle transport is an important energy transport mode in the combustion process of inertial confinement fusion plasma. On the one hand, charged particles inside the hot spot have a strong…Chang Liu, Bao Du, Peng Song·Feb 19, 2023SaveLearn
Energy Band Structure of Relativistic Quantum Plasmon ExcitationIn this paper we use the effective Schrödinger-Poisson and square-root Klein-Gordon-Poisson models to study the quantum and relativistic quantum energy band structure of finite temperature electron…M. Akbari-Moghanjoughi·Feb 19, 2023SaveLearn
Effect of a guide field on the turbulence like properties of magnetic reconnectionThe effect of an external guide field on the turbulence-like properties of magnetic reconnection is studied using five different 2.5D kinetic particle-in-cell (PIC) simulations. The magnetic energy…Subash Adhikari, Michael A. Shay, Tulasi N. Parashar et al.·Feb 19, 2023SaveLearn
Evolution of ion acoustic solitary waves in pulsar windWe have studied the evolution of ion-acoustic solitary waves (IASWs) in pulsar wind. The pulsar wind is modeled by considering a weakly relativistic unmagnetized collisionless plasma comprised of…Kuldeep Singh, Amar Kakad, Bharati Kakad et al.·Feb 18, 2023SaveLearn
On the stability of two-dimensional modulated electrostatic wavepackets in non-Maxwellian dusty plasma-application in Saturn's magnetosphereMotivated by observations of localized electrostatic wavepackets by the Voyager 1 and 2 and Cassini missions in Saturn's magnetosphere, we have investigated the evolution of modulated…Kuldeep Singh, Michael McKerr, Ioannis Kourakis·Feb 18, 2023SaveLearn
Dust ion-acoustic dromions in Saturn's magnetosphereMotivated by observations of localized electrostatic wavepackets by the Cassini and (earlier) by Voyager 1 and 2 mission(s) in Saturn's magnetosphere, we have investigated the existence…Kuldeep Singh, Michael McKerr, Ioannis Kourakis·Feb 18, 2023SaveLearn
Ring structural transitions in strongly coupled dusty plasmasThis paper presents a numerical study of ring structural transitions in strongly coupled dusty plasma confined in a ring-shaped (quartic) potential well with a central barrier, whose axis of symmetry…Vikram Dharodi, Evdokiya Kostadinova·Feb 17, 2023SaveLearn
Quasi-classical Langmuir wave collapse in a magnetic fieldThe anisotropy due to a magnetic field is shown to result in significant changes in Langmuir collapse. Using a variational approach, the quasi-classical collapse phenomenon is investigated…E. A. Kuznetsov, S. K. Turitsyn·Feb 17, 2023SaveLearn
Ultra-compact attosecond X-ray free-electron lasers utilizing unique beams from plasma-based acceleration and an optical undulatorAccelerator-based X-ray free-electron lasers (XFELs) are the latest addition to the revolutionary tools of discovery for the 21st century. The two major components of an XFEL are an…Xinlu Xu, Jiaxin Liu, Thamine Dalichaouch et al.·Feb 17, 2023SaveLearn