Recent developments in particle acceleration at shocks: theory and observations
S Perri, A Bykov, H Fahr, H Fichtner… - Space Science Reviews, 2022 - Springer
Energetic particles represent an important component of the plasma in the heliosphere.
They range from particles accelerated at impulsive events in the solar corona and at large …
They range from particles accelerated at impulsive events in the solar corona and at large …
HelioSwarm: a multipoint, multiscale mission to characterize turbulence
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 …
designed to explore the dynamic three-dimensional mechanisms controlling the physics of …
The energetic particle detector-energetic particle instrument suite for the solar orbiter mission
J Rodríguez-Pacheco… - Astronomy & …, 2020 - aanda.org
After decades of observations of solar energetic particles from space-based observatories,
relevant questions on particle injection, transport, and acceleration remain open. To address …
relevant questions on particle injection, transport, and acceleration remain open. To address …
Diffusive shock acceleration and reconnection acceleration processes
GP Zank, P Hunana, P Mostafavi… - The Astrophysical …, 2015 - iopscience.iop.org
Shock waves, as shown by simulations and observations, can generate high levels of
downstream vortical turbulence, including magnetic islands. We consider a combination of …
downstream vortical turbulence, including magnetic islands. We consider a combination of …
Standard self-confinement and extrinsic turbulence models for cosmic ray transport are fundamentally incompatible with observations
Models for cosmic ray (CR) dynamics fundamentally depend on the rate of CR scattering
from magnetic fluctuations. In the ISM, for CRs with energies∼ MeV-TeV, these fluctuations …
from magnetic fluctuations. In the ISM, for CRs with energies∼ MeV-TeV, these fluctuations …
Formation of power-law electron energy spectra in three-dimensional low-β magnetic reconnection
While observations have suggested that power-law electron energy spectra are a common
outcome of strong energy release during magnetic reconnection, eg, in solar flares, kinetic …
outcome of strong energy release during magnetic reconnection, eg, in solar flares, kinetic …
Pathways to dissipation in weakly collisional plasmas
Observed turbulence in space and astrophysics is expected to involve cascade and
subsequent dissipation and heating. Contrary to standard collisional fluid turbulence, the …
subsequent dissipation and heating. Contrary to standard collisional fluid turbulence, the …
Magnetic energy release, plasma dynamics, and particle acceleration in relativistic turbulent magnetic reconnection
In strongly magnetized astrophysical plasma systems, magnetic reconnection is believed to
be the primary process during which explosive energy release and particle acceleration …
be the primary process during which explosive energy release and particle acceleration …
Particle acceleration during magnetic reconnection in a low-beta plasma
Magnetic reconnection is a primary mechanism for particle energization in space and
astrophysical plasmas. By carrying out two-dimensional (2D) fully kinetic simulations, we …
astrophysical plasmas. By carrying out two-dimensional (2D) fully kinetic simulations, we …
Small-scale magnetic islands in the solar wind and their role in particle acceleration. I. Dynamics of magnetic islands near the heliospheric current sheet
O Khabarova, GP Zank, G Li, JA Le Roux… - The Astrophysical …, 2015 - iopscience.iop.org
Increases of ion fluxes in the keV–MeV range are sometimes observed near the heliospheric
current sheet (HCS) during periods when other sources are absent. These resemble solar …
current sheet (HCS) during periods when other sources are absent. These resemble solar …