Electron–Ion Temperature Ratio in Astrophysical Shocks

JC Raymond, P Ghavamian, A Bohdan… - The Astrophysical …, 2023 - iopscience.iop.org
Collisionless shock waves in supernova remnants and the solar wind heat electrons less
effectively than they heat ions, as is predicted by kinetic simulations. However, the values of …

Electron heating in high Mach number collisionless shocks

A Vanthieghem, V Tsiolis, A Spitkovsky, Y Todo… - Physical review …, 2024 - APS
The energy partition in high Mach number collisionless shock waves is central to a wide
range of high-energy astrophysical environments. We present a new theoretical model for …

Electrostatic Waves and Electron Holes in Simulations of Low-Mach Quasi-perpendicular Shocks

A Bohdan, A Tran, L Sironi… - The Astrophysical …, 2024 - iopscience.iop.org
Collisionless low-Mach-number shocks are abundant in astrophysical and space plasma
environments, exhibiting complex wave activity and wave–particle interactions. In this paper …

[HTML][HTML] Kinetic simulations of piston-driven collisionless shock formation in magnetized laboratory plasmas

DB Schaeffer, W Fox, J Matteucci, KV Lezhnin… - Physics of …, 2020 - pubs.aip.org
Laboratory laser experiments offer a novel approach to studying magnetized collisionless
shocks, and a common method in recent experiments is to drive shocks using a laser …

Acceleration mechanisms of energetic ion debris in laser-driven tin plasma EUV sources

SR Totorica, K Lezhnin, DJ Hemminga… - Applied Physics …, 2024 - pubs.aip.org
Laser-driven tin plasmas are driving new-generation nanolithography as sources of extreme
ultraviolet (EUV) radiation centered at 13.5 nm. A major challenge facing industrial EUV …

Kinetic simulation study of magnetized collisionless shock formation on a terawatt laser system

Y Zhang, JR Davies, PV Heuer, C Ren - Physics of Plasmas, 2021 - pubs.aip.org
Perpendicular, magnetized, collisionless shocks in hydrogen and neon plasmas are studied
with 2D particle-in-cell simulations for parameters accessible to experiments on OMEGA EP …

Ray-tracing laser-deposition model for plasma particle-in-cell simulation

A Hyder, W Fox, K Lezhnin, S Totorica - arXiv preprint arXiv:2412.08543, 2024 - arxiv.org
We develop a ray-tracing model for laser-plasma interaction suitable for coupling in-line into
kinetic particle-in-cell plasma simulation. The model is based on inverse Bremsstrahlung …

Inference and De-noising of Non-gaussian Particle Distribution Functions: A Generative Modeling Approach

J Donaghy, K Germaschewski - International Conference on Machine …, 2021 - Springer
The particle-in-cell numerical method of plasma physics balances a trade-off between
computational cost and intrinsic noise. Inference on data produced by these simulations …

Using high power lasers as a tool for secondary sources and laboratory astrophysics

K Lezhnin - 2022 - search.proquest.com
Over the past few decades, laser technology has developed dramatically, achieving
ultrahigh peak laser powers. Currently operating laser facilities (eg, NIF, OMEGAEP, and …