Hydrodynamic regime and cold plasmas hit by short laser pulsesWe briefly report and elaborate on some conditions allowing a hydrodynamic description of the impact of a very short and arbitrarily intense laser pulse onto a cold plasma, as well as the…Gaetano Fiore, Monica De Angelis, Renato Fedele et al.·Oct 2, 2023SaveLearn
Emissive cathode immersed in a plasma: plasma-cathode interactions, operation and stabilityThermionic emission from a polycrystalline tungsten emissive cathode immersed in a magnetized plasma column is investigated experimentally and numerically. Electrical and optical measurements of the…Francis Pagaud, Vincent Dolique, Nicolas Claire et al.·Oct 2, 2023SaveLearn
Optimization of Tritium Breeding Ratio in a DT and DD Submersion Tokamak Fusion ReactorThe mass of stars is enough to confine a plasma to fuse light atoms, but this is not possible to engineer on Earth. Fortunately, nuclear engineering can rely on the magnetic confinement of a plasma…Vikram Goel, Soha Aslam, Sejal Dua·Sep 30, 2023SaveLearn
Improved stellarator permanent magnet designs through combined discrete and continuous optimizationsA common optimization problem in the areas of magnetized plasmas and fusion energy is the design of magnets to produce a given three-dimensional magnetic field distribution to high precision. When…K. C. Hammond, A. A. Kaptanoglu·Sep 29, 2023SaveLearn
A structure-preserving particle discretisation for the Lenard-Bernstein collision operatorCollisions are an important dissipation mechanism in plasmas. In one-dimensional modelling, a commonly used collision operator is the Lenard-Bernstein operator, or its modified energy- and…Sandra Jeyakumar, Michael Kraus, Matthew Hole et al.·Sep 28, 2023SaveLearn
Axisymmetric hybrid Vlasov equilibria with applications to tokamak plasmasWe derive axisymmetric equilibrium equations in the context of the hybrid Vlasov model with kinetic ions and massless fluid electrons, assuming isothermal electrons and deformed Maxwellian…D. A. Kaltsas, A. Kuiroukidis, P. J. Morrison et al.·Sep 28, 2023SaveLearn
Proton deflectometry analysis in magnetized plasmas: magnetic field reconstruction in one dimensionProton deflectometry is increasingly used in magnetized high-energy-density plasmas to observe electromagnetic fields. We describe a reconstruction algorithm to recover the electromagnetic fields…W. Fox, G. Fiksel, D. B. Schaeffer et al.·Sep 28, 2023SaveLearn
Kinetic Simulation of He radio frequency capacitive coupled plasmaRadiofrequency capacitively coupled plasma is studied theoretically using a Particle-in-Cell code. For He discharge, the time-averaged sheaths are in the range of few centimeters. The sheath…M. Shihab, A. Elbadawy, M. S. Afify et al.·Sep 28, 2023SaveLearn
Collisionless Shock Acceleration of protons in a plasma slab produced in a gas jet by the collision of two laser-driven hydrodynamic shockwavesWe recently proposed a new technique of plasma tailoring by laser-driven hydrodynamic shockwaves generated on both sides of a gas jet [J.-R. Marquès et al., Phys. Plasmas 28, 023103 (2021)]. In the…J. -R. Marquès, L. Lancia, P. Loiseau et al.·Sep 28, 2023SaveLearn
Dispersion and damping of ion-acoustic waves in the plasma with a regularized kappa-distributionThe dispersion and damping of ion-acoustic waves in the plasma with a regularized kappa-distribution are studied. The generalized dispersion relation and damping rate are derived, which both depend…Rui Huo, Jiulin Du·Sep 27, 2023SaveLearn
Slowing down of charged particles in the dusty plasmas with a non-thermal velocity alpha-distributionThe slowing down of a charged particle beam passing through the dusty plasma with a non-thermal velocity alpha-distribution is studied. By using the Fokker-Planck collision theory, we derive the…Yu Wang, Jiulin Du·Sep 27, 2023SaveLearn
Nearly integrable flows and chaotic tangles in the Dimits shift regime of plasma edge turbulenceTransitionally turbulent flows frequently exhibit spatiotemporal intermittency, reflecting a complex interplay between driving forces, dissipation, and transport present in these systems. When this…Norman M. Cao, Di Qi·Sep 27, 2023SaveLearn
Design of Passive and Structural Conductors for Tokamaks Using Thin-Wall Eddy Current ModelingA new three-dimensional electromagnetic modeling tool ThinCurr has been developed using the existing PSI-Tet finite-element code in support of conducting structure design work for both the SPARC and…A. F. Battey, C. Hansen, D. Garnier et al.·Sep 27, 2023SaveLearn
Stability of a Nondegenerate Two--Component Weakly Coupled PlasmaThe paper discusses the problem of stability of a two-component plasma and proposes a consistent consideration of quantum and long-range effects to calculate the thermodynamic properties of such a…G. S. Demyanov, P. R. Levashov·Sep 26, 2023SaveLearn
New solution to Airy's equation for modeling beams near turning pointsHere I present a summarised description of the general behavior of waves near turning points. I show that when asymptotic matching to a prescribed incident wavefield is performed, the solution…N. A. Lopez·Sep 26, 2023SaveLearn
Coherent high-frequency axial oscillations in a partially magnetized direct current magnetron dischargeHigh frequency oscillations are observed in a neon plasma of a direct current magnetron discharge. At low discharge currents, we see highly coherent 60 MHz fluctuations. Above a distinct current…Ryan C. Przybocki, Mark A. Cappelli·Sep 25, 2023SaveLearn
ANSYS HFSS as a new numerical tool to study wave propagation inside anisotropic magnetized plasmas in the Ion Cylotron Range of FrequenciesThe paper demonstrates the possibility to use ANSYS HFSS as a versatile simulating tool for antennas facing inhomogeneous anisotropic magnetized plasmas in the Ion Cyclotron Range of Frequencies…V. Maquet, R. Ragona, D. Van Eester et al.·Sep 25, 2023SaveLearn
Diffusion metamaterials for plasma transportPlasma technology has found widespread applications in numerous domains, yet the techniques to manipulate plasma transport predominantly rely on magnetic control. In this review, we present a…Fubao Yang, Zeren Zhang·Sep 25, 2023SaveLearn
Quantum Computing Perspective for Electromagnetic Wave Propagation in Cold Magnetized PlasmasElectromagnetic waves are an inherent part of all plasmas -- laboratory fusion plasmas or astrophysical plasmas. The conventional methods for studying properties of electromagnetic waves rely on…Efstratios Koukoutsis, Kyriakos Hizanidis, George Vahala et al.·Sep 21, 2023SaveLearn
Stable Deuterium-Tritium burning plasmas with improved confinement in the presence of energetic-ion instabilitiesProviding stable and clean energy sources is a necessity for the increasing demands of humanity. Energy produced by fusion reactions, in particular in tokamaks, is a promising path towards that goal.…Jeronimo Garcia, Yevgen Kazakov, Rui Coelho et al.·Sep 21, 2023SaveLearn
Observation of non-planar dust acoustic solitary wave in a strongly coupled dusty plasmaThe nonlinear evolution and propagation of a stable dust acoustic solitary wave (DASW) in a non-planar geometry is investigated here. The experiment is performed in a strongly coupled dusty plasma…Prarthana Gogoi, Bidyut Chutia, Paragjyoti Sut et al.·Sep 21, 2023SaveLearn
Comments on the comments by Lackner et al. on the series of papers about "A novel direct drive ultra-fast heating concept for ICF"In this paper, we provide a response to the comments made by Lackner et al. regarding our series of recent papers on "A novel direct drive ultra-fast heating concept for ICF". Specifically,…Hartmut Ruhl, Georg Korn·Sep 20, 2023SaveLearn
Ponderomotive forces in magnetized non-thermal space plasmas due to cyclotron wavesThe ponderomotive force is involved in a variety of space plasmas phenomena which are characterized by the family of Kappa distributions. Therefore, evaluating these nonthermal effects in the…Joaquín Espinoza-Troni, Felipe A Asenjo, Pablo S Moya·Sep 20, 2023SaveLearn
The Magnetic Gradient Scale Length Explains Why Certain Plasmas Require Close External Magnetic CoilsThe separation between the last closed flux surface of a plasma and the external coils that magnetically confine it is a limiting factor in the construction of fusion-capable plasma devices. This…John Kappel, Matt Landreman, Dhairya Malhotra·Sep 20, 2023SaveLearn
Spatio-temporal dynamics of anisotropic emission from nano second laser produced aluminium plasmaPolarized emission carries captivating information and can help understand various elementary processes involving collisions within the plasma as well as in radiative transitions. In this work, we…Geethika B. R., Jinto Thomas, Milaan Patel et al.·Sep 20, 2023SaveLearn