A weighted matching scheme of magnetic coil design for FRC shaping controlThe two-dimentional (2D) separatrix shaping plays a crucial role in the confinement of the Field Reversed Configuration (FRC), and the magnetic coils serve as an effective means for its control. In…Zitong Qu, Ping Zhu, Zhipeng Chen et al.·Nov 7, 2023SaveLearn
A Reduced Ideal MHD System for Nonlinear Magnetic Field Turbulence in Plasmas with Approximate Flux SurfacesThis paper studies the nonlinear evolution of magnetic field turbulence in proximity of steady ideal MHD configurations characterized by a small electric current, a small plasma flow, and approximate…Naoki Sato, Michio Yamada·Nov 6, 2023SaveLearn
Energy-dependent implementation of secondary electron emission models in continuum kinetic sheath simulationsThe plasma-material interactions present in multiple fusion and propulsion concepts between the flow of plasma through a channel and a material wall drive the emission of secondary electrons. This…Kolter Bradshaw, Bhuvana Srinivasan·Nov 5, 2023SaveLearn
Separating micrometer-sized particles utilizing a dusty plasma ratchetDirectional transport-dominated particle separation presents major challenges in many technological applications. The Feynman ratchet can convert the random perturbation into directional transport of…Zhi-min Cai, Zong-bo Ma, You-kai Zhao et al.·Nov 5, 2023SaveLearn
Self-excited converging shock structure in a complex plasma mediumWe report the study of a self-excited converging shock structure observed in a complex plasma medium for the first time. A high-density dust cloud of melamine formaldehyde particles is created and…Garima Arora, Srimanta Maity·Nov 4, 2023SaveLearn
Resistive Diffusion in Magnetized ICF Implosions: Reduced Magnetic Stabilization of the Richtmyer Meshkov InstabilityResistive diffusion is typically regarded to be negligible in magnetized ICF experiments, with magnetic flux effectively compressed during the implosion. In this work the Richtmyer Meshkov…C. A. Walsh, D. J. Strozzi, H. Sio et al.·Nov 3, 2023SaveLearn
Influence of ion-to-electron temperature ratio on tearing instability and resulting subion-scale turbulence in a low-βe collisionless plasmaA two-field gyrofluid model including ion finite Larmor radius (FLR) corrections, magnetic fluctuations along the ambient field and electron inertia is used to study two-dimensional reconnection in a…C. Granier, E. Tassi, D. Laveder et al.·Nov 2, 2023SaveLearn
Modeling of liquid metal droplet deformation by laser impactThe method of sequential simulation of liquid metal droplet deformation by a laser pulse is considered. The first stage is the laser impact on a droplet. It was simulated using RALEF-2D code, based…I. Yu. Vichev, D. A. Kim, V. V. Medvedev·Nov 2, 2023SaveLearn
Generation of Strong Fields with Subcritical Density Plasmas to Study the Phase Transitions of Magnetized Warm Dense MatterWarm dense matter (WDM) is a regime where Fermi degenerate electrons play an important role in the macroscopic properties of a material. Recent experiments have brought us closer to understanding…Irem Nesli Erez, Jonathan R. Davies, Jonathan L. Peebles et al.·Nov 1, 2023SaveLearn
Non-Radiating Resonances: Anapoles Enabling Highly-Efficient Plasma Jets within Dielectric StructuresPlasma plays a pivotal role in numerous applications spanning the fields of medicine, industry, agriculture, and space exploration. When plasma interacts with air, it initiates unique chemical…Muhammad Rizwan Akram, Abbas Semnani·Nov 1, 2023SaveLearn
Multi-GeV Wakefield Acceleration in a Plasma-Modulated Plasma AcceleratorWe investigate the accelerator stage of a Plasma-Modulated Plasma Accelerator (P-MoPA) [Phys. Rev. Lett. 127, 184801 (2021)] using both the paraxial wave equation and particle-in-cell (PIC)…Johannes J. van de Wetering, Simon M. Hooker, Roman Walczak·Nov 1, 2023SaveLearn
Mapping the complete evolution of magnetic excitation in beam-plasma system driven by an ultra-intense, femtosecond laserPlasmas are beset with instabilities of all types, hydrodynamic, magneto-hydrodynamic, and electromagnetic. These instabilities are complex, occur over a large range of temporal and spatial scales,…Moniruzzaman Shaikh, Amit D Lad, Devshree Mandal et al.·Oct 31, 2023SaveLearn
Topological plasma transport from a diffusion viewRecent studies have identified plasma as a topological material. Yet, these researches often depict plasma as a fluid governed by electromagnetic fields, i.e., a classical wave system. Indeed, plasma…Zhoufei Liu, Jiping Huang·Oct 31, 2023SaveLearn
The Field Theory of Collective Cherenkov Radiation Associated with Electron BeamsClassical Cherenkov radiation is a celebrated physics phenomenon of electromagnetic (EM) radiation stimulated by an electric charge moving with constant velocity in a three dimensional dielectric…Edl Schamiloglu, Alexander Figotin·Oct 31, 2023SaveLearn
A low cost, flexible atmospheric pressure plasma jet device with good antimicrobial efficiencyPlasma sources suitable to generate low temperature plasmas has been fundamental for the advances in plasma medicine. In this research field, plasma sources must comply with stringent conditions for…Fellype do Nascimento, Aline da Graça Sampaio, Noala Vicensoto Moreira Milhan et al.·Oct 30, 2023SaveLearn
Variational principles for the hydrodynamics of the classical one-component plasmaHydrodynamic equations for a one-component plasma are derived as a generalization of the Euler equations to include the effects of the long-range Coulomb interaction. By using a variational…Daniels Krimans, Seth Putterman·Oct 30, 2023SaveLearn
Hybridizing Physics and Neural ODEs for Predicting Plasma Inductance Dynamics in Tokamak Fusion ReactorsWhile fusion reactors known as tokamaks hold promise as a firm energy source, advances in plasma control, and handling of events where control of plasmas is lost, are needed for them to be…Allen M. Wang, Darren T. Garnier, Cristina Rea·Oct 30, 2023SaveLearn
On Validity of Gyrokinetic TheoryWe study the validity of gyrokinetic theory by examining the destruction of magnetic moment adiabatic invariant in the presence of fluctuations. Contrary to common assertions, it is shown for the…Haotian Chen, Liu Chen, Fulvio Zonca et al.·Oct 30, 2023SaveLearn
THz transition radiation of electron bunch laser-accelerated in long-scale near-critical density plasmasDirect laser electron acceleration in near-critical density plasma produces collimated electron beams with high charge Q (up to μC). This regime could be of interest for high energy THz radiation…D A Gorlova, I N Tsymbalov, I P Tsygvintsev et al.·Oct 30, 2023SaveLearn
Hall magnetohydrodynamics in a relativistically strong mean magnetic fieldThis Letter presents a magnetohydrodynamic model that describes the small-amplitude fluctuations with wavelengths comparable to ion inertial length in the presence of a relativistically strong mean…Y. Kawazura·Oct 29, 2023SaveLearn
Optimization of Nonlinear Turbulence in StellaratorsWe present new stellarator equilibria that have been optimized for reduced turbulent transport using nonlinear gyrokinetic simulations within the optimization loop. The optimization routine involves…Patrick Kim, Stefan Buller, Rory Conlin et al.·Oct 28, 2023SaveLearn
Assessing global ion thermal confinement in critical-gradient-optimized stellaratorsWe investigate the confinement properties of two recently devised quasi-helically symmetric stellarator configurations, HSK and QSTK. Both have been optimized for large critical gradients of the ion…A. Bañón Navarro, G. T. Roberg-Clark, G. G. Plunk et al.·Oct 28, 2023SaveLearn
Measurements of Extended Magnetic Fields in Laser-Solid InteractionMagnetic fields generated from a laser-foil interaction are measured with high fidelity using a proton radiography scheme with in situ x-ray fiducials. In contrast to prior findings under similar…J. Griff-McMahon, S. Malko, V. Valenzuela-Villaseca et al.·Oct 28, 2023SaveLearn
Massive, Long-Lived Electrostatic Potentials in a Rotating Mirror PlasmaHot plasma is highly conductive in the direction parallel to a magnetic field. This often means that the electrical potential will be nearly constant along any given field line. When this is the…E. J. Kolmes, I. E. Ochs, J. -M. Rax et al.·Oct 27, 2023SaveLearn
Phase-space entropy cascade and irreversibility of stochastic heating in nearly collisionless plasma turbulenceWe consider a nearly collisionless plasma consisting of a species of `test particles' in 1D-1V, stirred by an externally imposed stochastic electric field. The mean effect on the particle…Michael L. Nastac, Robert J. Ewart, Wrick Sengupta et al.·Oct 27, 2023SaveLearn