Drift wave solitons and zonal flows: implication on staircase formationThe self-consistent nonlinear interaction of drift wave (DW) and zonal flow (ZF) is investigated using nonlinear gyrokinetic theory, with both spontaneous excitation and beat-driven of ZF by DW…Ningfei Chen, Liu Chen, Fulvio Zonca et al.·Aug 12, 2024SaveLearn
Generation of relativistic polarized electron beams via collective beam-target interactionsRelativistic polarized electron beams can find applications in broad areas of fundamental physics. Here, we propose for the first time that electron spin polarization can be realized efficiently via…Xing-Long Zhu, Min Chen, Wei-Min Wang et al.·Aug 11, 2024SaveLearn
Observation of Kolmogorov turbulence due to multiscale vortices in dusty plasma experimentsWe report the experimental observation of fully developed Kolmogorov turbulence originating from self-excited vortex flows in a three-dimensional (3D) dust cloud. The characteristic -5/3 scaling of…Sachin Sharma, Rauoof Wani, Prabhakar Srivastav et al.·Aug 10, 2024SaveLearn
Time-resolved measurement of neutron energy isotropy in a sheared-flow-stabilized Z pinchPrevious measurements of neutron energy using fast plastic scintillators while operating the Fusion Z Pinch Experiment (FuZE) constrained the energy of any yield-producing deuteron beams to less than…R. A. Ryan, P. E. Tsai, A. R. Johansen et al.·Aug 9, 2024SaveLearn
Laser-triggered THz emission from near critical density targetsFemtosecond laser pulse propagation in a relativistic self-trapping regime (RST) in a near-critical density plasma makes it possible to maximize the total charge of the accelerating electrons and…V. Yu. Bychenkov, A. V. Brantov, M. G. Lobok et al.·Aug 9, 2024SaveLearn
Transverse instability of electron-acoustic solitons in a relativistic degenerate astrophysical magnetoplasmaWe study the nonlinear theory of small-amplitude electron-acoustic solitons (EASs) in a relativistic astrophysical magnetoplasma consisting of two-temperature electrons: a sparse population of…A. P. Misra, A. Abdikian·Aug 8, 2024SaveLearn
Magneto-Hydrodynamic Simulations of Pedestal Instabilities for Tokamak Plasmas with Different Ion MassesIn this bachelor's thesis, isotope effects for pedestal instabilities have been studied based on an ASDEX Upgrade H-Mode scenario. This was done using the JOREK code for extended MHD simulations,…Matthias Rosenthal·Aug 8, 2024SaveLearn
Coherent nonlinear Thomson scattering of Laguerre-Gauss beams on an electron sheetWe present a study of the scattering of a monochromatic helical laser beam, described by a Laguerre-Gauss solution of the Maxwell equations, on an electron sheet, initially at rest in the focal plane…Petru-Vlad Toma, Andrei Cristian Opinca, Virgil Baran et al.·Aug 8, 2024SaveLearn
A molecular dynamics framework coupled with smoothed particle hydrodynamics for quantum plasma simulationsWe present a novel scheme for modelling quantum plasmas in the warm dense matter (WDM) regime via a hybrid smoothed particle hydrodynamic - molecular dynamic treatment, here referred to as 'Bohm…Thomas Campbell, Pontus Svensson, Brett Larder et al.·Aug 7, 2024SaveLearn
Suppression of Edge Localized Modes in ITER Baseline Scenario in EAST using Edge Localized Magnetic PerturbationsWe report the suppression of Type-I Edge Localized Modes (ELMs) in the EAST tokamak under ITER baseline conditions using n = 4 Resonant Magnetic Perturbations (RMPs), while maintaining energy…P. Xie, Y. Sun, M. Jia et al.·Aug 6, 2024SaveLearn
Wavenumber Calibration for an Imaging RefractometerAn imaging refractrometer can be used to describe the properties of a high-energy density plasma by analyzing the transverse intensity distribution of a laser beam that has passed through the plasma.…A. Rososhek, B. R. Kusse, W. M. Potter et al.·Aug 5, 2024SaveLearn
Long-living Equilibria in Kinetic Astrophysical Plasma TurbulenceTurbulence in classical fluids is characterized by persistent structures that emerge from the chaotic landscape. We investigate the analogous process in fully kinetic plasma turbulence by using…Mario Imbrogno, Claudio Meringolo, Sergio Servidio et al.·Aug 5, 2024SaveLearn
Tomographic diffractometry of laser-induced plasma formationsA sensitive optical diffractometry method is developed and utilized for advanced tomography of laser-induced air plasma formations. Using transverse diffractometry and Supergaussian plasma…Ivan Ostrovsky, Gilad Hurvitz, Eli Bograd et al.·Aug 5, 2024SaveLearn
Evidence of dual energy transfer driven by magnetic reconnection at sub-ion scalesThe properties of energy transfer in the kinetic range of plasma turbulence have fundamental implications on the turbulent heating of space and astrophysical plasmas. It was recently suggested that…Raffaello Foldes, Silvio Sergio Cerri, Raffaele Marino et al.·Aug 5, 2024SaveLearn
Characterizing the Performance of the Implicit Massively Parallel Particle-in-Cell iPIC3D CodeOptimizing iPIC3D, an implicit Particle-in-Cell (PIC) code, for large-scale 3D plasma simulations is crucial for space and astrophysical applications. This work focuses on characterizing iPIC3D's…Jeremy J. Williams, Daniel Medeiros, Ivy B. Peng et al.·Aug 4, 2024SaveLearn
Large-Angle Collisions in Burning Plasmas of Inertial Confinement FusionsA recent neutron analysis of experiments conducted at the National Ignition Facility (NIF) has revealed deviations from the Maxwellian distributions in the ion relative kinetic energy of burning…Y. H. Xue, D. Wu, J. Zhang·Aug 4, 2024SaveLearn
Relaxation model for a homogeneous plasma with spherically symmetric velocity spaceWe derive the transport equations from the Vlasov-Fokker-Planck equation when the velocity space is spherically symmetric. The Shkarofsky's form of Fokker-Planck-Rosenbluth collision operator is…Yanpeng Wang, Jianyuan Xiao, Xianhao Rao et al.·Aug 3, 2024SaveLearn
Methodological notes on the gauge invariance in the treatment of waves and oscillations in plasmas via the Einstein-Vlasov-Maxwell system: Fundamental equationsThe theory of gauge transformations in linearized gravitation is investigated. After a brief discussion of the fundamentals of the kinetic theory in curved spacetime, the Einstein-Vlasov-Maxwell…Lucas Bourscheidt, Fernando Haas·Aug 2, 2024SaveLearn
An upper critical dimension for dynamo action: A d-dimensional closure model studyWe construct a d-dimensional Eddy Damped Quasi-Normal Markovian (EDQNM) Closure Model to study dynamo action in arbitrary dimensions. In particular, we find lower dL and upper dU critical…Sugan Durai Murugan, Giorgio Krstulovic, Dario Vincenzi et al.·Aug 2, 2024SaveLearn
Access and sustainment of ELMy H-mode operation for ITER Pre-Fusion Power Operation plasmas using JINTRACIn the initial stages of ITER operation, ELM mitigation systems need to be commissioned. This requires controlled flat-top operation in type-I ELMy H-mode regimes. Hydrogen or helium plasma…E. Tholerus, L. Garzotti, V. Parail et al.·Aug 2, 2024SaveLearn
On the Effect of Driving Turbulent-like Fluctuations on a Harris-Current Sheet Configuration and the Formation of PlasmoidsEnergy dissipation in collisionless plasmas is one of the most outstanding open questions in plasma physics. Magnetic reconnection and turbulence are two phenomena that can produce the conditions for…Jeffersson Andres Agudelo Rueda, Yi-Hsin Liu, Kai Germaschewski et al.·Aug 1, 2024SaveLearn
Magnetic reconnection and dynamos in the presence of plasma turbulenceEvolving magnetic fields are frequently embedded in plasmas that are turbulent. When the primary interest is in effects that are on a large scale compared to that of the turbulence, it is desirable…Allen H Boozer·Aug 1, 2024SaveLearn
Matched Guiding and Controlled Injection in Dark-Current-Free, 10-GeV-Class, Channel-Guided Laser Plasma AcceleratorsWe measure the high intensity laser propagation throughout meter-scale, channel-guided LPAs by adjusting the length of the plasma channel on a shot-by-shot basis, showing high quality guiding of 500…A. Picksley, J. Stackhouse, C. Benedetti et al.·Aug 1, 2024SaveLearn
Highly-efficient electron ponderomotive acceleration in underdense plasmasLaser-plasma accelerators represent a promising technology for future compact accelerating systems, enabling the acceleration of tens of pC to above 1\,GeV over just a few centimeters. Nonetheless,…Lorenzo Martelli, Olena Kononenko, Igor Andriyash et al.·Aug 1, 2024SaveLearn
Effects of plasma nonuniformity on zero frequency zonal structure generation by drift Alfven wave instabilities in toroidal plasmasEffects of plasma nonuniformity on zero frequency zonal structure (ZFZS) excitation by drift Alfven wave (DAW) instabilities in toroidal plasmas are investigated using nonlinear gyrokinetic theory.…Zhiyong Qiu, Guangyu Wei, Liu Chen et al.·Aug 1, 2024SaveLearn