461 citations · 2.3k across the 49 of their papers we have counts for
33 papers · 1 filter
Revisiting the MRX Electron Current Sheet Width with Semi-Collisional Kinetic Simulations at Hydrogen Mass Ratio
Sung Hyun Son, Adam Stanier, William Daughton +3
For over eighteen years, the electron current sheet measured in the Magnetic Reconnection Experiment (MRX) has stood a factor of 2--5 wider than predicted by MRX-like kinetic simul…
Excitation of the lower-hybrid drift instability in the outflow of electron-only magnetic reconnection
B. K. Russell, K. Sakai, Y. Zhang +17
We report experimental evidence for the lower-hybrid drift instability in the current sheet normal direction of electron-only magnetic reconnection. In our laser-driven capacitor-c…
The FLARE Facility
Hantao Ji, Jongsoo Yoo, Peiyun Shi +53
The Facility for Laboratory Reconnection Experiments (FLARE) has been constructed to study magnetic reconnection in multiple X-line regimes relevant to space, astrophysical, and fu…
Plasma Flow Generation and Particle Acceleration from Expanding Magnetic Bubbles
Yang Zhang, Brandon K. Russell, Geoffrey Pomraning +9
Impulsive plasma dynamics in the laboratory are often driven by rising electric currents, yet their quantitative plasma response has not been well established. By means of fully ki…
Effects of Multi-scale Coupling on Particle Acceleration and Energy Partition in Magnetic Reconnection
Alexander Velberg, Adam Stanier, Xiaocan Li +3
The interplay between kinetic and macroscopic scales during magnetic reconnection is investigated using particle-in-cell simulations of magnetic island coalescence in the strongly-…
Laboratory Study of Collisionless Magnetic Reconnection
H. Ji, J. Yoo, W. Fox +13
A concise review is given on the past two decades' results from laboratory experiments on collisionless magnetic reconnection in direct relation with space measurements, especially…
The Force Balance of Electrons During Kinetic Anti-parallel Magnetic Reconnection
J. Egedal, H. Gurram, S. Greess +2
Fully kinetic simulations are applied to the study of 2D anti-parallel reconnection, elucidating the dynamics by which the electron fluid maintains force balance within both the el…
Kinetic Simulations Verifying Reconnection Rates Measured in the Laboratory, Spanning the Ion-Coupled to Near Electron-Only Regimes
Samuel Greess, Jan Egedal, Adam Stanier +6
The rate of reconnection characterizes how quickly flux and mass can move into and out of the reconnection region. In the Terrestrial Reconnection EXperiment (TREX), the rate at wh…
Infuence of mass ablation on ignition and burn propagation in layered fusion capsules
W. Daughton, B. J. Albright, S. M. Finnegan +4
After decades of research, recent laser-driven inertial fusion experiments have demonstrated rapid progress toward achieving thermonuclear ignition using capsule designs with cryog…
Magnetic reconnection in the era of exascale computing and multiscale experiments
Hantao Ji, William Daughton, Jonathan Jara-Almonte +3
Astrophysical plasmas have the remarkable ability to preserve magnetic topology, which inevitably gives rise to the accumulation of magnetic energy within stressed regions includin…
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…
Astrophysical explosions revisited: collisionless coupling of debris to magnetized plasma
Ari Le, Dan Winske, Adam Stanier +4
The coupling between a rapidly expanding cloud of ionized debris and an ambient magnetized plasma is revisited with a hybrid (kinetic ion/fluid electron) simulation code that allow…
Laboratory verification of electron-scale reconnection regions modulated by a three-dimensional instability
S. Greess, J. Egedal, A. Stanier +9
During magnetic reconnection in collisionless space plasma, the electron fluid decouples from the magnetic field within narrow current layers, and theoretical models for this proce…
A drift kinetic model for the expander region of a magnetic mirror
Blake A. Wetherton, Ari Le, Jan Egedal +4
We present a drift kinetic model for the free expansion of a thermal plasma out of a magnetic nozzle. This problem relates to plasma space propulsion systems, natural environments…
Mode Converting Alfvén Waves from Magnetic Reconnection Enhancing the Energy Source for the Aurora Borealis
Harsha Gurram, Jan Egedal, William Daughton
Previous studies have concluded that the Hall magnetic field structures generated during magnetic reconnection are carried away by kinetic Alfvén waves (KAW). Here we apply a kinet…
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.
A drift-kinetic method for obtaining gradients in plasma properties from single-point distribution function data
Blake A. Wetherton, Jan Egedal, Peter K. Montag +2
In this paper, we derive a new drift-kinetic method for estimating gradients in the plasma properties through a velocity space distribution at a single point. The gradients are int…
Influence of 3D plasmoid dynamics on the transition from collisional to kinetic reconnection
A. Stanier, W. Daughton, A. Le +2
Within the resistive magnetohydrodynamic model, high-Lundquist number reconnection layers are unstable to the plasmoid instability, leading to a turbulent evolution where the recon…
Drift Turbulence, Particle Transport, and Anomalous Dissipation at the Reconnecting Magnetopause
Ari Le, William Daughton, Obioma Ohia +5
Using fully kinetic 3D simulations, the reconnection dynamics of asymmetric current sheets are examined at the Earth's magnetopause. The plasma parameters are selected to model MMS…
Magnetic pumping as a source of particle heating and power-law distributions in the solar wind
E. Lichko, J. Egedal, W. Daughton +1
Based on the rate of expansion of the solar wind, the plasma should cool rapidly as a function of distance to the Sun. Observations show this is not the case. In this work, a magne…
Energy transfer, pressure tensor and heating of kinetic plasma
Y. Yang, W. H. Matthaeus, T. N. Parashar +6
Kinetic plasma turbulence cascade spans multiple scales ranging from macroscopic fluid flow to sub-electron scales. Mechanisms that dissipate large scale energy, terminate the iner…
Enhanced Electron Mixing and Heating in 3D Asymmetric Reconnection at the Earth's Magnetopause
Ari Le, William Daughton, Li-Jen Chen +1
Electron heating and mixing during asymmetric reconnection are studied with a 3D kinetic simulation that matches plasma parameters from Magnetospheric Multiscale (MMS) spacecraft o…
The role of guide field in magnetic reconnection driven by island coalescence
A. Stanier, W. Daughton, Andrei N. Simakov +5
A number of studies have considered how the rate of magnetic reconnection scales in large and weakly collisional systems by the modelling of long reconnecting current sheets. Howev…
Two-Stage Bulk Electron Heating in the Diffusion Region of Anti-Parallel Symmetric Reconnection
Ari Le, Jan Egedal, William Daughton
Electron bulk energization in the diffusion region during anti-parallel symmetric reconnection entails two stages. First, the inflowing electrons are adiabatically trapped and ener…