Coronal conditions for the occurrence of type II radio bursts
A Kouloumvakos, A Rouillard, A Warmuth… - The Astrophysical …, 2021 - iopscience.iop.org
Type II radio bursts are generally observed in association with flare-generated or coronal-
mass-ejection-driven shock waves. The exact shock and coronal conditions necessary for …
mass-ejection-driven shock waves. The exact shock and coronal conditions necessary for …
Evidence for a coronal shock wave origin for relativistic protons producing solar gamma-rays and observed by neutron monitors at Earth
A Kouloumvakos, AP Rouillard, GH Share… - The Astrophysical …, 2020 - iopscience.iop.org
We study the solar eruptive event on 2017 September 10 that produced long-lasting> 100
MeV γ-ray emission and a ground level enhancement (GLE72). The origin of the high …
MeV γ-ray emission and a ground level enhancement (GLE72). The origin of the high …
Effects of coronal magnetic field configuration on particle acceleration and release during the ground level enhancement events in solar cycle 24
Ground level enhancements (GLEs) are extreme solar energetic particle (SEP) events that
are of particular importance in space weather. In solar cycle 24, two GLEs were recorded on …
are of particular importance in space weather. In solar cycle 24, two GLEs were recorded on …
The acceleration of high-energy protons at coronal shocks: the effect of large-scale streamer-like magnetic field structures
Recent observations have shown that coronal shocks driven by coronal mass ejections can
develop and accelerate particles within several solar radii in large solar energetic particle …
develop and accelerate particles within several solar radii in large solar energetic particle …
Morphology of Solar Type II Bursts Caused by Shock Propagation through Turbulent and Inhomogeneous Coronal Plasma
A Koval, A Stanislavsky, M Karlický… - The Astrophysical …, 2023 - iopscience.iop.org
Type II solar bursts are radio signatures of shock waves in the solar corona driven by solar
flares or coronal mass ejections (CMEs). Therefore, these bursts present complex spectral …
flares or coronal mass ejections (CMEs). Therefore, these bursts present complex spectral …
Two‐Step electron acceleration during a flux rope crossing of Earth's bow shock
DK Hu, YY Liu, JB Cao, CM Liu - Geophysical Research Letters, 2024 - Wiley Online Library
The generation of cosmic ray particles with ultra‐relativistic energies is a crucial issue in
astrophysical and space physics. Shocks have been acknowledged as efficient accelerators …
astrophysical and space physics. Shocks have been acknowledged as efficient accelerators …
Plasma emission induced by electron cyclotron maser instability in solar plasmas with a large ratio of plasma frequency to gyrofrequency
Plasma Emission Induced by Electron Cyclotron Maser Instability in Solar Plasmas with a Large
Ratio of Plasma Frequency to Gyrofrequency - IOPscience This site uses cookies. By …
Ratio of Plasma Frequency to Gyrofrequency - IOPscience This site uses cookies. By …
The acceleration of energetic particles at coronal shocks and emergence of a double power-law feature in particle energy spectra
We present numerical modeling of particle acceleration at coronal shocks propagating
through a streamer-like magnetic field by solving the Parker transport equation with spatial …
through a streamer-like magnetic field by solving the Parker transport equation with spatial …
The acceleration and confinement of energetic electrons by a termination shock in a magnetic trap: an explanation for nonthermal loop-top sources during solar flares
Nonthermal loop-top sources in solar flares are the most prominent observational signatures
that suggest energy release and particle acceleration in the solar corona. Although several …
that suggest energy release and particle acceleration in the solar corona. Although several …
An alternative form of the fundamental plasma emission through the coalescence of Z-mode waves with whistlers
S Ni, Y Chen, C Li, J Sun, H Ning, Z Zhang - Physics of Plasmas, 2021 - pubs.aip.org
Plasma emission (PE), ie, electromagnetic radiation at the plasma frequency and its second
harmonic, is a general process occurring in both astrophysical and laboratory plasmas. The …
harmonic, is a general process occurring in both astrophysical and laboratory plasmas. The …