323 citations · 481 across the 17 of their papers we have counts for
18 papers
MMS Insights into CME Driven Sub-Alfvénic Solar Wind at 1 AU
Harsha Gurram, Li-Jen Chen, Matthew R. Argall +4
We report the properties of electron distributions and turbulence during a Coronal Mass Ejection (CME) in April 2023 observed by Magnetospheric Multiscale (MMS). The CME exhibits a…
The evolution of CME sheath turbulence from L1 to Earth: Wind and MMS observations of the 2023-04-23 CME
Matthew R. Argall, Li-Jen Chen, Noé Lugaz +5
An interplanetary shock driven by a coronal mass ejection (CME) containing an interval of sub-Alfvénic flow impacted Earth on April 23, 2024. In this article, we analyze the turbul…
Turbulence properties and kinetic signatures of electron in Kelvin-Helmholtz waves during a geomagnetic storm
Harsha Gurram, Jason R. Shuster, Li-Jen Chen +5
We present a comprehensive study of Magnetospheric Multiscale (MMS) spacecraft encounter with KHI during a geomagnetic storm, focusing on elucidating key turbulence properties and…
Higher-order nonequilibrium term: Effective power density quantifying evolution towards or away from local thermodynamic equilibrium
M. Hasan Barbhuiya, Paul A. Cassak, Subash Adhikari +3
A common approach to assess the nature of energy conversion in a classical fluid or plasma is to compare power densities of the various possible energy conversion mechanisms. A for…
Earth's Alfvén wings driven by the April 2023 Coronal Mass Ejection
Li-Jen Chen, Daniel Gershman, Brandon Burkholder +33
We report a rare regime of Earth's magnetosphere interaction with sub-Alfvénic solar wind in which the windsock-like magnetosphere transforms into one with Alfvén wings. In the mag…
Clustering of Global Magnetospheric Observations
James Edmond, Joachim Raeder, Banafsheh Ferdousi +2
The use of supervised methods in space science have demonstrated powerful capability in classification tasks, but unsupervised methods have been less utilized for the clustering of…
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…
Advanced methods for analyzing in-situ observations of magnetic reconnection
H. Hasegawa, M. R. Argall, N. Aunai +33
There is ample evidence for magnetic reconnection in the solar system, but it is a nontrivial task to visualize, to determine the proper approaches and frames to study, and in turn…
HelioSwarm: A Multipoint, Multiscale Mission to Characterize Turbulence
Kristopher G. Klein, Harlan Spence, Olga Alexandrova +47
HelioSwarm (HS) is a NASA Medium-Class Explorer mission of the Heliophysics Division designed to explore the dynamic three-dimensional mechanisms controlling the physics of plasma…
Quantifying Energy Conversion in Higher Order Phase Space Density Moments in Plasmas
Paul A. Cassak, M. Hasan Barbhuiya, Haoming Liang +1
Weakly collisional and collisionless plasmas are typically far from local thermodynamic equilibrium (LTE), and understanding energy conversion in such systems is a forefront resear…
Artificial Intelligence to Enhance Mission Science Output for In-situ Observations: Dealing with the Sparse Data Challenge
M. I. Sitnov, G. K. Stephens, V. G. Merkin +8
In the Earth's magnetosphere, there are fewer than a dozen dedicated probes beyond low-Earth orbit making in-situ observations at any given time. As a result, we poorly understand…
Observation of Inertial-range Energy Cascade within a Reconnection Jet in Earth's Magnetotail
Riddhi Bandyopadhyay, Alexandros Chasapis, D. J. Gershman +6
Earth's magnetotail region provides a unique environment to study plasma turbulence. We investigate the turbulence developed in an exhaust produced by magnetic reconnection at the…
MMS SITL Ground Loop: Automating the burst data selection process
Matthew R. Argall, Colin Small, Samantha Piatt +13
Global-scale energy flow throughout Earth's magnetosphere (MSP) is catalyzed by processes that occur at Earth's magnetopause (MP). Magnetic reconnection is one process responsible…
Multi-scale coupling during magnetopause reconnection: the interface between the electron and ion diffusion regions
K. J. Genestreti, Y. -H. Liu, T. -D. Phan +15
Magnetospheric Multiscale (MMS) encountered the primary low-latitude magnetopause reconnection site when the inter-spacecraft separation exceeded the upstream ion inertial length.…
Decomposition of Plasma Kinetic Entropy into Position and Velocity Space and the Use of Kinetic Entropy in Particle-in-Cell Simulations
Haoming Liang, Paul A. Cassak, Sergio Servidio +9
We describe a systematic development of kinetic entropy as a diagnostic in fully kinetic particle-in-cell (PIC) simulations and use it to interpret plasma physics processes in heli…
The Fluxgate-Searchcoil Merged (FSM) Magnetic Field Data Product for MMS
M. R. Argall, D. Fischer, O. Le Contel +8
The Fluxgate-Searchcoil Merged (FSM) data product for the Magnetospheric Multiscale (MMS) mission is created by combining the level-2 science quality data from the fluxgate and sea…
Electron-Scale Dynamics of the Diffusion Region during Symmetric Magnetic Reconnection in Space
R. B. Torbert, J. L. Burch, T. D. Phan +46
Magnetic reconnection is an energy conversion process important in many astrophysical contexts including the Earth's magnetosphere, where the process can be investigated in-situ. H…
Generation of Electron Whistler Waves at the Mirror Mode Magnetic Holes: MMS Observations and PIC Simulation
Narges Ahmadi, Frederick Wilder, Robert Ergun +14
The Magnetospheric Multiscale (MMS) mission has observed electron whistler waves at the center and at the edges of magnetic holes in the dayside magnetosheath. The magnetic holes a…