Direct laser acceleration in varying plasma density profilesDirect laser acceleration has proven to be an efficient source of high-charge electron bunches and high brilliance X-rays. However, an analytical description of the acceleration in the interaction…Robert Babjak, Bertrand Martinez, Miroslav Krus et al.·Jun 15, 2024SaveLearn
Impact of repetitive ELM transients on ITER divertor tungsten monoblock top surfacesOwing to the high stored energy of ITER plasmas, the heat pulses due to uncontrolled Type I edge localized modes (ELMs) can be sufficient to melt the top surface of several poloidal rows of tungsten…K. Paschalidis, S. Ratynskaia, P. Tolias et al.·Jun 14, 2024SaveLearn
Generation of THz waves through interaction of the wakefield of two-color laser pulses with magnetized plasmaThe present study explores radiation in THz spectrum region through the interaction of the wakefield of two-color laser pulses with magnetized plasma. The interaction of the two-color laser with…A. A. Molavi Choobini, F. M. Aghamir·Jun 14, 2024SaveLearn
Nanosecond pulsed barrier discharge in argon for various frequencies and theoretical analysis of 2p states density ratios for E/N determinationNanosecond pulsed barrier discharges in atmospheric pressure argon are simulated using spatially one- and two-dimensional fluid-Poisson models using the reaction kinetics model presented by Stankov…Lukáš Kusýn, Aleksandar P. Jovanović, Detlef Loffhagen et al.·Jun 14, 2024SaveLearn
Axisymmetric predictions for mitigated and vertically unstable disruptions in ITER with runaway electronsWe present two-dimensional global simulations of mitigated and vertically unstable disruptions in ITER in the presence of runaway electrons. An elongated plasma in free-boundary equilibrium is…V. Bandaru, M. Hoelzl, F. J. Artola et al.·Jun 14, 2024SaveLearn
Magnetic reconnection, plasmoids and numerical resolutionExplaining fast magnetic reconnection in electrically conducting plasmas has been a theoretical challenge in plasma physics since its first description by Eugene N. Parker. In the recent years the…José María García Morillo, Alexandros Alexakis·Jun 13, 2024SaveLearn
TNSA based proton acceleration by two oblique laser pulses in the presence of an axial magnetic fieldA recently proposed strategy to boost the proton/ion cutoff energy in the target normal sheath acceleration scheme employs two obliquely incident laser pulses simultaneously irradiating the flat…Imran Khan, Vikrant Saxena·Jun 13, 2024SaveLearn
Wakefield-driven filamentation of warm beams in plasmaCharged and quasi-neutral beams propagating through an unmagnetised plasma are subject to numerous collisionless instabilities on the small scale of the plasma skin depth. The electrostatic…Erwin Walter, John P. Farmer, Martin S. Weidl et al.·Jun 12, 2024SaveLearn
TRANSP integrated modeling code for interpretive and predictive analysis of tokamak plasmasThis paper provides a comprehensive review of the TRANSP code, a sophisticated tool for interpretive and predictive analysis of tokamak plasmas, detailing its major capabilities and features. It…A. Y Pankin, J. Breslau, M. Gorelenkova et al.·Jun 12, 2024SaveLearn
Simplified and Flexible Coils for Stellarators using Single-Stage OptimizationSingle-stage optimization, also known as combined plasma-coil algorithms or direct coil optimization, has recently emerged as a possible method to expedite the design of stellarator devices by…R. Jorge, A. Giuliani, J. Loizu·Jun 12, 2024SaveLearn
Report on laser-induced fluorescence transitions relevant for the microelectronics industry and sustainability applicationsA wide variety of feed gases are used to generate low-temperature plasmas for the microelectronics and the sustainability applications. These plasmas often have a complex combination of reactive and…V. S. Santosh K. Kondeti, Shurik Yatom, Ivan Romadanov et al.·Jun 11, 2024SaveLearn
Increased accuracy and signal-to-noise ratio through recent improvements in Infra-Red Video Bolometer fabrication and calibrationThe Infra-Red Video Bolometer (IRVB) is a diagnostic equipped with an infra-red camera that measures the total radiated power in thousands of LOSs within a large field of view (FOV). Recently…Fabio Federici, Jack J. Lovell, G. A. Wurden et al.·Jun 11, 2024SaveLearn
Assessing the Impact of Alpha Particles on Thermal Confinement in JET D-T Plasmas through Global GENE-Tango SimulationsThe capability of the global, electromagnetic gyrokinetic GENE code interfaced with the transport Tango solver is exploited to address the impact of fusion alpha particles (in their dual role of fast…A. Di Siena, J. Garcia, R. Bilato et al.·Jun 11, 2024SaveLearn
Invariant regimes of Spencer scaling law for magnetic compression of rotating FRC plasmaThe scaling laws for the magnetic compression of a toroidally rotating field reversed configuration (FRC) have been investigated in this work. The magnetohydrodynamics (MHD) simulations of the…Yiming Ma, Ping Zhu, Bo Rao et al.·Jun 11, 2024SaveLearn
Lightwave-controlled relativistic plasma mirrorsWe report on attosecond-scale control of high-harmonic and electron emission from plasma mirrors driven by relativistic-intensity near-single-cycle lightwaves at kHz repetition rate. By controlling…Marie Ouillé, Jaismeen Kaur, Zhao Cheng et al.·Jun 10, 2024SaveLearn
Plasma screening in mid-charged ions observed by K-shell line emissionDense plasma environment affects the electronic structure of ions via variations of the microscopic electrical fields, also known as plasma screening. This effect can be either estimated by…M. Šmıd, O. Humphries, C. Baehtz et al.·Jun 10, 2024SaveLearn
Evolution of the autoresonant plasma wave excitation in two-dimensional particle-in-cell simulationsThe generation of an autoresonantly phase-locked high amplitude plasma waves to the chirped beat frequency of two driving lasers is studied in two dimensions using particle-in-cell simulations. The…Mufei. Luo, Caterina. Riconda, Anna. Grassi et al.·Jun 10, 2024SaveLearn
Simultaneous Enhancement of Tritium Burn Efficiency and Fusion Power with Low-Tritium Spin-Polarized FuelThis study demonstrates that using spin-polarized deuterium-tritium (D-T) fuel with more deuterium than tritium can increase tritium burn efficiency (TBE) by at least an order of magnitude without…J. F. Parisi, A. Diallo, J. A. Schwartz·Jun 10, 2024SaveLearn
Hamiltonian Structure of the Guiding-center Vlasov-Maxwell Equations with Polarization and MagnetizationThe Hamiltonian formulation of guiding-center Vlasov-Maxwell equations, which contain dipole contributions to the guiding-center polarization and magnetization, is presented in terms of a…Alain J. Brizard·Jun 9, 2024SaveLearn
Plasma stratification in AC discharges in noble gases at low currentsA hybrid kinetic-fluid model is used to study plasma stratification in alternating current (AC) discharges in noble gases at low plasma densities. Self-consistent coupled solutions of a nonlocal…Vladimir I. Kolobov, Robert R. Arslanbekov·Jun 9, 2024SaveLearn
Simulation Models for Exploring Magnetic ReconnectionSimulations have played a critical role in the advancement of our knowledge of magnetic reconnection. However, due to the inherently multiscale nature of reconnection, it is impossible to simulate…Michael Shay, Subash Adhikari, Naoki Beesho et al.·Jun 9, 2024SaveLearn
Nonlinear saturation of reversed shear Alfven eigenmode via high-frequency quasi-mode generationA nonlinear saturation mechanism for reversed shear Alfven eigenmode (RSAE) is proposed and analysed, and is shown to be of relevance to typical reactor parameter region. The saturation is achieved…Zhiwen Cheng, Guangyu Wei, Lei Ye et al.·Jun 9, 2024SaveLearn
Highly Polarized Energetic Electrons via Intense Laser-Irradiated Tailored TargetsA method for the generation of ultrarelativistic electron beams with high spin polarization is put forward, where a tightly-focused linearly-polarized ultraintense laser pulse interacts with a…Xiaofei Shen, Zheng Gong, Karen Z. Hatsagortsyan et al.·Jun 8, 2024SaveLearn
Impact of pressure anisotropy on the cascade rate of Hall-MHD turbulence with biadiabatic ionsThe impact of ion pressure anisotropy on the energy cascade rate of Hall-MHD turbulence with biadiabatic ions and isothermal electrons is evaluated in three-dimensional direct numerical simulations,…Pauline A. Simon, Fouad Sahraoui, Sébastien Galtier et al.·Jun 7, 2024SaveLearn
Plasmoid drift and first wall heat deposition during ITER H-mode dual-SPIs in JOREK simulationsThe heat flux mitigation during the Thermal Quench (TQ) by the Shattered Pellet Injection (SPI) is one of the major elements of disruption mitigation strategy for ITER. It's efficiency greatly…D. Hu, F. J. Artola, E. Nardon et al.·Jun 7, 2024SaveLearn