Inverse bremsstrahlung absorption

D Turnbull, J Katz, M Sherlock, L Divol, NR Shaffer… - Physical Review Letters, 2023 - APS
Inverse bremsstrahlung absorption was measured based on transmission through a finite-
length plasma that was thoroughly characterized using spatially resolved Thomson …

Ion and electron acoustic bursts during anti-parallel magnetic reconnection driven by lasers

S Zhang, A Chien, L Gao, H Ji, EG Blackman, R Follett… - Nature Physics, 2023 - nature.com
Magnetic reconnection converts magnetic energy into thermal and kinetic energy in plasma.
Among the numerous candidate mechanisms, ion acoustic instabilities driven by the relative …

[HTML][HTML] Nonlinear evolution of driven ion acoustic waves in plasmas with super-Gaussian electron velocity distributions: Fluid vs particle-in-cell simulations

ZJ Guo, HB Zhuo, MQ Li, YJ Zheng, R Li… - Physics of Plasmas, 2024 - pubs.aip.org
The nonlinear evolution of driven ion acoustic waves (IAWs) in plasmas with super-
Gaussian electron distribution functions (EDFs) is numerically investigated by one …

[HTML][HTML] Kinetic corrections to heat-flow and Nernst advection for laser heated plasmas

CA Walsh, M Sherlock - Physics of Plasmas, 2024 - pubs.aip.org
Reduced models for approximating the impact of kinetic electron behavior on the transport of
thermal energy and magnetic field are investigated. The thermal flux limiter has improved …

[HTML][HTML] Impact of super-Gaussian electron distribution on driven ion acoustic wave fluid nonlinear evolution

Z Guo, X Li, X Zheng - AIP Advances, 2024 - pubs.aip.org
In laser-produced plasmas, the electron distribution function (EDF) driven by inverse
bremsstrahlung heating tends to form a super-Gaussian distribution, which significantly …

Fast nonlinear scattering of runaway electron beams through resonant interactions with plasma waves

HL Kang, YD Yoon, MH Cho, GS Yun - Nuclear Fusion, 2024 - iopscience.iop.org
The resonant interaction between a runaway electron (RE) beam and a reactor-grade
background plasma is investigated through two-dimensional particle-in-cell simulations …

[HTML][HTML] Effect of self-generated magnetic fields on x-ray emission in Kr-filled targets at the National Ignition Facility

LS Leal, GE Kemp, PL Poole, A Campos… - Physics of …, 2025 - pubs.aip.org
We examine the effects of self-generated magnetic fields in a Kr gas pipe x-ray source
platform. X-ray emission from Kr plasma is dependent on the plasma conditions, as the …

Ionization Dynamics in Intense Laser-Produced Plasmas

MS Cho, AL Milder, W Rozmus, HP Le, HA Scott… - arxiv preprint arxiv …, 2024 - arxiv.org
The ionization dynamic of argon plasma irradiated by an intense laser is investigated to
understand transient physics in dynamic systems. This study demonstrates that significant …

Theory and Application of Thomson Scattering to Particle Transport and Magnetic Field Measurements in Laser-Produced Plasmas

C Bruulsema - 2023 - era.library.ualberta.ca
The particle transport, plasma currents, and magnetic fields were investigated in laboratory
plasmas, both with the Optical Thomson Scattering (OTS) diagnostic and in theory and …