96 citations · 364 across the 15 of their papers we have counts for
15 papers
Ultrafast proton radiography of the magnetic fields generated by a laser-driven coil current
Lan Gao, Hantao Ji, Gennady Fiksel +3
Magnetic fields generated by a current flowing through a U-shaped coil connecting two copper foils were measured using ultrafast proton radiography. Two 1.25 kJ, 1-ns laser p…
Proton deflectometry analysis in magnetized plasmas: magnetic field reconstruction in one dimension
W. Fox, G. Fiksel, D. B. Schaeffer +1
Proton deflectometry is increasingly used in magnetized high-energy-density plasmas to observe electromagnetic fields. We describe a reconstruction algorithm to recover the electro…
Direct measurement of non-thermal electron acceleration from magnetically driven reconnection in a laboratory plasma
Abraham Chien, Lan Gao, Shu Zhang +24
Magnetic reconnection is a ubiquitous astrophysical process that rapidly converts magnetic energy into some combination of plasma flow energy, thermal energy, and non-thermal energ…
Confinement of relativistic electrons in a magnetic mirror en route to a magnetized relativistic pair plasma
J. von der Linden, G. Fiksel, J. Peebles +5
Creating magnetized relativistic pair plasma in the laboratory would enable the exploration of unique plasma physics relevant to some of the most energetic events in the universe.…
Experimental observations of detached bow shock formation in the interaction of a laser-produced plasma with a magnetized obstacle
Joseph M. Levesque, Andy S. Liao, Patrick Hartigan +14
The magnetic field produced by planets with active dynamos, like the Earth, can exert sufficient pressure to oppose supersonic stellar wind plasmas, leading to the formation of a s…
A novel kinetic mechanism for the onset of fast magnetic reconnection and plasmoid instabilities in collisionless plasmas
W. Fox, G. Fiksel, D. B. Schaeffer +9
Magnetic reconnection can explosively release magnetic energy when opposing magnetic fields merge and annihilate through a current sheet, driving plasma jets and accelerating non-t…
Proton deflectometry with in situ x-ray reference for absolute measurement of electromagnetic fields in high-energy-density plasmas
C. L. Johnson, S. Malko, W. Fox +5
We report a technique of proton deflectometry which uses a grid and an in situ reference x-ray grid image for precise measurements of magnetic fields in high-energy density plasmas…
Measuring magnetic flux suppression in high-power laser-plasma interactions
P. T. Campbell, C. A. Walsh, B. K. Russell +9
Biermann battery magnetic field generation driven by high power laser-solid interactions is explored in experiments performed with the OMEGA EP laser system. Proton deflectometry c…
Dispersion Calibration for the National Ignition Facility Electron Positron Proton Spectrometers for Intense Laser Matter Interactions
Jens von der Linden, José Ramos Mendez, Bruce Faddegon +7
Electron-positron pairs, produced in intense laser-solid interactions, are diagnosed using magnetic spectrometers with image plates, such as the National Ignition Facility (NIF) El…
Major Scientific Challenges and Opportunities in Understanding Magnetic Reconnection and Related Explosive Phenomena in Solar and Heliospheric Plasmas
H. Ji, J. Karpen, A. Alt +105
Magnetic reconnection underlies many explosive phenomena in the heliosphere and in laboratory plasmas. The new research capabilities in theory/simulations, observations, and labora…
Major Scientific Challenges and Opportunities in Understanding Magnetic Reconnection and Related Explosive Phenomena throughout the Universe
H. Ji, A. Alt, S. Antiochos +97
This white paper summarizes major scientific challenges and opportunities in understanding magnetic reconnection and related explosive phenomena as a fundamental plasma process.
Fast magnetic reconnection in highly-extended current sheets at the National Ignition Facility
W. Fox, D. B. Schaeffer, M. J. Rosenberg +12
Fast magnetic reconnection was observed between magnetized laser-produced plasmas at the National Ignition Facility. Two highly-elongated plasma plumes were produced by tiling two…
Weibel instability drives large magnetic field generation in laser-driven single plume ablation
Jackson Matteucci, Will Fox, Amitava Bhattacharjee +6
First-principles kinetic simulations are used to investigate magnetic field generation processes in expanding ablated plasmas relevant to laser-driven foils and hohlraums. In addit…
Particle Velocity Distributions in Developing Magnetized Collisionless Shocks in Laser-Produced Plasmas
D. B. Schaeffer, W. Fox, R. K. Follett +5
We present the first laboratory observations of time-resolved electron and ion velocity distributions in forming, magnetized collisionless shocks. Thomson scattering of a probe las…
Generation and Evolution of High-Mach Number, Laser-Driven Magnetized Collisionless Shocks in the Laboratory
Derek Schaeffer, Will Fox, Dan Haberberger +5
Shocks act to convert incoming supersonic flows to heat, and in collisionless plasmas the shock layer forms on kinetic plasma scales through collective electromagnetic effects. The…