Strong constraints on decay and annihilation of dark matter from heating of gas-rich dwarf galaxies
Gas-rich dwarf galaxies located outside the virial radius of their host are relatively pristine
systems and have ultralow gas cooling rates. This makes them very sensitive to heat …
systems and have ultralow gas cooling rates. This makes them very sensitive to heat …
Intracluster magnetic filaments and an encounter with a radio jet
L Rudnick, M Brüggen, G Brunetti… - The Astrophysical …, 2022 - iopscience.iop.org
Thin synchrotron-emitting filaments are increasingly seen in the intracluster medium (ICM).
We present the first example of a direct interaction between a magnetic filament, a radio jet …
We present the first example of a direct interaction between a magnetic filament, a radio jet …
Reconciling cosmic ray transport theory with phenomenological models motivated by Milky-Way data
P Kempski, E Quataert - Monthly Notices of the Royal …, 2022 - academic.oup.com
Phenomenological models of cosmic ray (CR) transport in the Milky Way can reproduce a
wide range of observations assuming that CRs scatter off of magnetic-field fluctuations with …
wide range of observations assuming that CRs scatter off of magnetic-field fluctuations with …
Cosmic-ray acceleration and magnetic fields in galaxy clusters and beyond: Insights from radio observations
D Wittor - Universe, 2023 - mdpi.com
The discovery of diffuse radio emission in galaxy clusters proved the existence of energetic
cosmic-ray electrons and cosmic magnetic fields on Mpc-scales in the Universe …
cosmic-ray electrons and cosmic magnetic fields on Mpc-scales in the Universe …
Particle transport through localized interactions with sharp magnetic field bends in MHD turbulence
M Lemoine - Journal of Plasma Physics, 2023 - cambridge.org
Particle transport through localized interactions with sharp magnetic field bends in MHD
turbulence Page 1 J. Plasma Phys. (2023), vol. 89, 175890501 © The Author(s), 2023 …
turbulence Page 1 J. Plasma Phys. (2023), vol. 89, 175890501 © The Author(s), 2023 …
Superdiffusion of cosmic rays in compressible magnetized turbulence
Owing to the complexity of turbulent magnetic fields, modelling the diffusion of cosmic rays is
challenging. Based on the current understanding of anisotropic magnetohydrodynamic …
challenging. Based on the current understanding of anisotropic magnetohydrodynamic …
Cosmic ray streaming in the turbulent interstellar medium
We study the streaming instability of GeV− 100 GeV cosmic rays (CRs) and its dam** in
the turbulent interstellar medium (ISM). We find that the dam** of streaming instability is …
the turbulent interstellar medium (ISM). We find that the dam** of streaming instability is …
Efficient micromirror confinement of sub-teraelectronvolt cosmic rays in galaxy clusters
Cosmic rays (CRs) play a pivotal role in sha** the thermal and dynamical properties of
astrophysical environments, such as galaxies and galaxy clusters. Recent observations …
astrophysical environments, such as galaxies and galaxy clusters. Recent observations …
Mirror Acceleration of Cosmic Rays in a High-β Medium
In a weakly compressible high-β medium, pitch-angle scattering and the associated
scattering acceleration of cosmic rays (CRs) by anisotropic Alfvén and slow modes of …
scattering acceleration of cosmic rays (CRs) by anisotropic Alfvén and slow modes of …
Multiphase magnetic fields in the galaxy NGC 3627
Magnetic fields play an important role in the formation and evolution of a galaxy, but it is
challenging to measure them by observation. Here, we study the Seyfert galaxy NGC 3627's …
challenging to measure them by observation. Here, we study the Seyfert galaxy NGC 3627's …