First-principles Fermi acceleration in magnetized turbulence

M Lemoine - Physical Review Letters, 2022 - APS
This Letter provides a concrete implementation of Fermi's model of particle acceleration in
magnetohydrodynamic (MHD) turbulence, connecting the rate of energization to the …

Turbulent dynamo in the two-phase interstellar medium

A Seta, C Federrath - Monthly Notices of the Royal Astronomical …, 2022 - academic.oup.com
Magnetic fields are a dynamically important component of the turbulent interstellar medium
(ISM) of star-forming galaxies. These magnetic fields are due to a dynamo action, which is a …

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 …

Simulating radio synchrotron emission in star-forming galaxies: small-scale magnetic dynamo and the origin of the far-infrared–radio correlation

C Pfrommer, M Werhahn, R Pakmor… - Monthly Notices of …, 2022 - academic.oup.com
In star-forming galaxies, the far-infrared (FIR) and radio-continuum luminosities obey a tight
empirical relation over a large range of star-formation rates (SFR). To understand the …

Particle acceleration in strong MHD turbulence

M Lemoine - Physical Review D, 2021 - APS
Nonthermal acceleration of particles in magnetohydrodynamic (MHD) turbulence plays a
central role in a wide variety of astrophysical sites. This physics is addressed here in the …

Pressure–strain interaction. II. Decomposition in magnetic field-aligned coordinates

PA Cassak, MH Barbhuiya, HA Weldon - Physics of Plasmas, 2022 - pubs.aip.org
In weakly collisional and collisionless magnetized plasmas, the pressure–strain interaction
describes the rate of conversion between bulk flow and thermal energy density. In this study …

The influence of flux rope heating models on solar prominence formation

N Brughmans, JM Jenkins, R Keppens - Astronomy & Astrophysics, 2022 - aanda.org
Context. Prominences are cool, dense clouds suspended within the solar corona. Their in
situ formation through the levitation-condensation mechanism is a textbook example of the …

An intergalactic medium temperature from a giant radio galaxy

MSSL Oei, RJ van Weeren… - Monthly Notices of …, 2023 - academic.oup.com
The warm–hot intergalactic medium (warm–hot IGM, or WHIM) pervades the filaments of the
Cosmic Web and harbours half of the Universe's baryons. The WHIM's thermodynamic …

Curvature of magnetic field lines in compressible magnetized turbulence: Statistics, magnetization predictions, gradient curvature, modes, and self-gravitating media

KH Yuen, A Lazarian - The Astrophysical Journal, 2020 - iopscience.iop.org
Magnetic field lines in interstellar media have a rich morphology, which could be
characterized by geometrical parameters such as curvature and torsion. In this paper we …

Discontinuity analysis of the leading switchback transition regions

M Akhavan-Tafti, J Kasper, J Huang, S Bale - Astronomy & Astrophysics, 2021 - aanda.org
Context. Magnetic switchbacks are magnetic structures characterized as intervals of sudden
reversal in the radial component of the pristine solar wind's magnetic field. Switchbacks …