activity
20132023
most citedDeciphering the Kinetic Structure of Multi-Ion Plasma Shocks

42 citations · 180 across the 14 of their papers we have counts for

collaborators

14 papers

physics.plasm-ph2023★ 32 cited

Hybrid-VPIC: an Open-Source Kinetic/Fluid Hybrid Particle-in-Cell Code

Ari Le, Adam Stanier, Lin Yin +3

Hybrid-VPIC is an extension of the open-source high-performance particle-in-cell (PIC) code VPIC incorporating hybrid kinetic ion/fluid electron solvers. This paper describes the m…

physics.plasm-ph2022★ 9 cited

Experimental Measurements of Ion Diffusion Coefficients and Heating in a Multi-Ion-Species Plasma Shock

F. Chu, A. L. LaJoie, B. D. Keenan +3

Collisional plasma shocks generated from supersonic flows are an important feature in many astrophysical and laboratory high-energy-density plasmas. Compared to single-ion-species…

physics.plasm-ph2021★ 10 cited

Hybrid Paricle-in-Cell Simulations of Electromagnetic Coupling and Waves From Streaming Burst Debris

Brett D. Keenan, Ari Le, Dan Winske +4

Various systems can be modeled as a point-like explosion of ionized debris into a magnetized, collisionless background plasma -- including astrophysical examples, active experiment…

physics.plasm-ph2021★ 10 cited

First measurement of the reaction in an inertial confinement fusion implosion at the National Ignition Facility: Initial steps toward the development of a radiochemistry mix diagnostic

D. Lonardoni, J. P. Sauppe, S. H. Batha +17

We report the first measurement of the reaction in a polar-direct-drive exploding pusher (PDXP) at the National Ignition Facility (NIF). This work i…

physics.plasm-ph2021

Fully kinetic simulations of strong steady-state collisional planar plasma shocks

Steven E. Anderson, Luis Chacón, William T. Taitano +2

We report on the first steady-state simulations of strong plasma shocks with fully kinetic ions and electrons, independently confirmed by two fully kinetic codes (an Eulerian conti…

physics.plasm-ph2017★ 40 cited

Ion Species Stratification Within Strong Shocks in Two-Ion Plasmas

Brett D. Keenan, Andrei N. Simakov, William T. Taitano +1

Strong collisional shocks in multi-ion plasmas are featured in many environments, with Inertial Confinement Fusion (ICF) experiments being one prominent example. Recent work [Keena…

physics.plasm-ph2017★ 42 cited

Deciphering the Kinetic Structure of Multi-Ion Plasma Shocks

Brett D. Keenan, Andrei N. Simakov, Luis Chacon +1

Strong collisional shocks in multi-ion plasmas are featured in many high-energy-density environments, including Inertial Confinement Fusion (ICF) implosions. However, their basic s…

astro-ph.HE2017★ 18 cited

Electron-Positron Cascade in Magnetospheres of Spinning Black Holes

Alexander L. Ford, Brett D. Keenan, Mikhail V. Medvedev

We quantitatively study the stationary, axisymmetric, force-free magnetospheres of spinning (Kerr) black holes (BHs) and the conditions needed for relativistic jets to be powered b…

physics.plasm-ph2016

On the Quasicollisionality of Plasmas with Small-Scale Electric Turbulence

Brett D. Keenan, Mikhail V. Medvedev

Chaotic electromagnetic fields are common in many relativistic plasma environments, where they can be excited by instabilities on kinetic spatial scales. When strong electric fluct…

physics.plasm-ph2015★ 2 cited

Diffusion and Radiation in Magnetized Collisionless Plasmas with High-Frequency Small-Scale Turbulence

Brett D. Keenan, Mikhail V. Medvedev

Magnetized high-energy-density plasmas can often have strong electromagnetic fluctuations whose correlation scale is smaller than the electron Larmor radius. Radiation from the ele…

physics.plasm-ph2015★ 1 cited

(Quasi-)collisional Magneto-optic Effects in Collisionless Plasmas with sub-Larmor-scale Electromagnetic Fluctuations

Brett D. Keenan, Alexander L. Ford, Mikhail V. Medvedev

High-amplitude, chaotic/turbulent electromagnetic fluctuations are ubiquitous in high-energy-density laboratory and astrophysical plasmas, where they can be excited by various kine…

physics.plasm-ph2015★ 2 cited

Radiation From Particles Moving in Small-Scale Magnetic Fields Created in Solid-Density Laser-Plasma Laboratory Experiments

Brett D. Keenan, Mikhail V. Medvedev

Plasmas created by high-intensity lasers are often subject to the formation of kinetic-streaming instabilities, such as the Weibel instability, which lead to the spontaneous genera…

physics.plasm-ph2014★ 4 cited

Transport of and Radiation Production by Trans-relativistic/Non-relativistic Particles Moving Through Sub-Larmor-Scale Electromagnetic Turbulence

Brett D. Keenan, Alexander L. Ford, Mikhail V. Medvedev

Plasmas with electromagnetic fields turbulent at sub-Larmor-scales are a feature of a wide variety of high-energy-density environments, and are essential to the description of many…

astro-ph.HE2013★ 10 cited

On Particle Transport and Radiation Production in Sub-Larmor-Scale Electromagnetic Turbulence

Brett D. Keenan, Mikhail V. Medvedev

The relation of particle transport of relativistic particles in plasmas with high-amplitude isotropic sub-Larmor-scale magnetic turbulence to the spectra of radiation simultaneousl…