Quasi-periodic pulsations in solar and stellar flares: a review of underpinning physical mechanisms and their predicted observational signatures
The phenomenon of quasi-periodic pulsations (QPPs) in solar and stellar flares has been
known for over 50 years and significant progress has been made in this research area. It has …
known for over 50 years and significant progress has been made in this research area. It has …
Magnetohydrodynamic waves in the solar corona
VM Nakariakov, DY Kolotkov - Annual Review of Astronomy and …, 2020 - annualreviews.org
The corona of the Sun is a unique environment in which magnetohydrodynamic (MHD)
waves, one of the fundamental processes of plasma astrophysics, are open to a direct study …
waves, one of the fundamental processes of plasma astrophysics, are open to a direct study …
Coronal heating by MHD waves
The heating of the solar chromosphere and corona to the observed high temperatures, imply
the presence of ongoing heating that balances the strong radiative and thermal conduction …
the presence of ongoing heating that balances the strong radiative and thermal conduction …
A statistical study of short-period decayless oscillations of coronal loops in an active region
Coronal loop oscillations are common phenomena in the solar corona, which are often
classified as decaying and decayless oscillations. Using the high-resolution observation …
classified as decaying and decayless oscillations. Using the high-resolution observation …
Damping of slow magnetoacoustic oscillations by the misbalance between heating and cooling processes in the solar corona
DY Kolotkov, VM Nakariakov… - Astronomy & …, 2019 - aanda.org
Context. Rapidly decaying slow magnetoacoustic waves are regularly observed in the solar
coronal structures, offering a promising tool for a seismological diagnostics of the coronal …
coronal structures, offering a promising tool for a seismological diagnostics of the coronal …
The solar corona as an active medium for magnetoacoustic waves
DY Kolotkov, DI Zavershinskii… - Plasma Physics and …, 2021 - iopscience.iop.org
The presence and interplay of continuous cooling and heating processes maintaining the
corona of the Sun at the observed one million K temperature were recently understood to …
corona of the Sun at the observed one million K temperature were recently understood to …
Acoustic Waves in a High-Temperature Plasma II. Damping and Instability
BB Mikhalyaev, SB Derteev, NK Shividov… - Solar Physics, 2023 - Springer
In this article we study the properties of acoustic waves in the rarefied high-temperature
plasma of the solar corona, assuming that the heating and cooling of the plasma has a well …
plasma of the solar corona, assuming that the heating and cooling of the plasma has a well …
The effect of the magnetic field on the damping of slow waves in the solar corona
TJ Duckenfield, DY Kolotkov… - Astronomy & Astrophysics, 2021 - aanda.org
Context. Slow magnetoacoustic waves are routinely observed in astrophysical plasma
systems such as the solar corona, and they are usually seen to damp rapidly. As a slow …
systems such as the solar corona, and they are usually seen to damp rapidly. As a slow …
Role of compressive viscosity and thermal conductivity on the damping of slow waves in coronal loops with and without heating–cooling imbalance
In the present article, we derive a new dispersion relation for slow magnetoacoustic waves
invoking the effect of thermal conductivity, compressive viscosity, radiation, and an unknown …
invoking the effect of thermal conductivity, compressive viscosity, radiation, and an unknown …
Mixed properties of slow magnetoacoustic and entropy waves in a plasma with heating/cooling misbalance
D Zavershinskii, D Kolotkov, D Riashchikov… - Solar Physics, 2021 - Springer
The processes of coronal plasma heating and cooling were previously shown to significantly
affect the dynamics of slow magnetoacoustic (MA) waves, causing amplification or …
affect the dynamics of slow magnetoacoustic (MA) waves, causing amplification or …