Particle acceleration by magnetic reconnection in geospace

M Oka, J Birn, J Egedal, F Guo, RE Ergun… - Space Science …, 2023 - Springer
Particles are accelerated to very high, non-thermal energies during explosive energy-
release phenomena in space, solar, and astrophysical plasma environments. While it has …

Explosive magnetotail activity

M Sitnov, J Birn, B Ferdousi, E Gordeev… - Space science …, 2019 - Springer
Modes and manifestations of the explosive activity in the Earth's magnetotail, as well as its
onset mechanisms and key pre-onset conditions are reviewed. Two mechanisms for the …

On the current sheets surrounding dipolarizing flux bundles in the magnetotail: The case for wedgelets

J Liu, V Angelopoulos, A Runov… - Journal of Geophysical …, 2013 - Wiley Online Library
Using Time History of Events and Macroscale Interactions during Substorms observations
from four tail seasons, we study the three‐dimensional structure of the dipolarization front …

A THEMIS multicase study of dipolarization fronts in the magnetotail plasma sheet

A Runov, V Angelopoulos, XZ Zhou… - Journal of …, 2011 - Wiley Online Library
We discuss results of a superposed epoch analysis of dipolarization fronts, rapid (δt< 30 s),
high‐amplitude (δBz> 10 nT) increases in the northward magnetic field component …

Electric structure of dipolarization front at sub‐proton scale

HS Fu, YV Khotyaintsev, A Vaivads… - Geophysical …, 2012 - Wiley Online Library
Using Cluster data, we investigate the electric structure of a dipolarization front (DF)–the ion
inertial length (c/ωpi) scale boundary in the Earth's magnetotail formed at the front edge of …

Occurrence rate of earthward‐propagating dipolarization fronts

HS Fu, YV Khotyaintsev, A Vaivads… - Geophysical …, 2012 - Wiley Online Library
The occurrence rate of earthward‐propagating dipolarization fronts (DFs) is investigated in
this paper based on the 9 years (2001–2009) of Cluster 1 data. For the first time, we select …

Magnetotail dipolarization fronts and particle acceleration: A review

H Fu, EE Grigorenko, C Gabrielse, C Liu, S Lu… - Science China Earth …, 2020 - Springer
In this paper, the particle acceleration processes around magnetotail dipolarization fronts
(DFs) were reviewed. We summarize the spacecraft observations (including Cluster …

Average thermodynamic and spectral properties of plasma in and around dipolarizing flux bundles

A Runov, V Angelopoulos, C Gabrielse… - Journal of …, 2015 - Wiley Online Library
Recent observations have suggested that spatially localized flows of high‐temperature, low‐
density plasma carrying a dipolarized magnetic field (dipolarizing flux bundles, DFBs) play a …

Particle acceleration in dipolarization events

J Birn, M Hesse, R Nakamura… - Journal of Geophysical …, 2013 - Wiley Online Library
Using the electromagnetic fields of a recent MHD simulation of magnetotail reconnection,
flow bursts and dipolarization, we investigate the acceleration of test particles (protons and …

The role of small‐scale ion injections in the buildup of Earth's ring current pressure: Van Allen Probes observations of the 17 March 2013 storm

M Gkioulidou, AY Ukhorskiy, DG Mitchell… - Journal of …, 2014 - Wiley Online Library
Energetic particle transport into the inner magnetosphere during geomagnetic storms is
responsible for significant plasma pressure enhancement, which is the driver of large‐scale …