Turbulent processes and mean-field dynamo
Mean-field dynamo theory has important applications in solar physics and galactic
magnetism. We discuss some of the many turbulence effects relevant to the generation of …
magnetism. We discuss some of the many turbulence effects relevant to the generation of …
Computational approaches to modeling dynamos in galaxies
Galaxies are observed to host magnetic fields with a typical total strength of around 15 μ G.
A coherent large-scale field constitutes up to a few microgauss of the total, while the rest is …
A coherent large-scale field constitutes up to a few microgauss of the total, while the rest is …
The coherent magnetic field of the Milky Way
We present a suite of models of the coherent magnetic field of the Galaxy based on new
divergence-free parametric functions describing the global structure of the field. The model …
divergence-free parametric functions describing the global structure of the field. The model …
[HTML][HTML] Disentangling the Faraday rotation sky
S Hutschenreuter, M Haverkorn, P Frank… - Astronomy & …, 2024 - aanda.org
Context. Magnetic fields permeate the diffuse interstellar medium (ISM) of the Milky Way,
and are essential to explain the dynamical evolution and current shape of the Galaxy …
and are essential to explain the dynamical evolution and current shape of the Galaxy …
Intergalactic medium rotation measure of primordial magnetic fields
S Mtchedlidze, P Domínguez-Fernández… - The Astrophysical …, 2024 - iopscience.iop.org
The Faraday rotation effect, quantified by the rotation measure (RM), is a powerful probe of
the large-scale magnetization of the Universe—tracing magnetic fields not only on galaxy …
the large-scale magnetization of the Universe—tracing magnetic fields not only on galaxy …
Strong turbulence and magnetic coherent structures in the interstellar medium
Context. Magnetic turbulence is classified as weak or strong based on the relative amplitude
of the magnetic field fluctuations compared to the mean field. These two classes have …
of the magnetic field fluctuations compared to the mean field. These two classes have …
Unified treatment of mean-field dynamo and angular-momentum transport in magnetorotational instability-driven turbulence
Magnetorotational instability–driven (MRI-driven) turbulence and dynamo phenomena are
analyzed using direct statistical simulations. Our approach begins by developing a unified …
analyzed using direct statistical simulations. Our approach begins by developing a unified …
Structure functions with higher-order stencils as a probe to separate small-and large-scale magnetic fields
A Seta, C Federrath - Monthly Notices of the Royal Astronomical …, 2024 - academic.oup.com
Magnetic fields are an energetically important component of star formation galaxies, but it is
often difficult to measure their properties from observations. One of the complexities stems …
often difficult to measure their properties from observations. One of the complexities stems …
General-relativistic gauge-invariant magnetic helicity transport: Basic formulation and application to neutron star mergers
J Wu, ER Most - Physical Review D, 2024 - APS
Dynamo processes are ubiquitous in astrophysical systems. In relativistic astrophysical
systems, such as accretion disks around black holes or neutron stars, they may critically …
systems, such as accretion disks around black holes or neutron stars, they may critically …
Polarized dust emission in Arp220: magnetic fields in the core of an ultraluminous infrared Galaxy
DL Clements, Q Zhang, K Pattle… - Monthly Notices of …, 2025 - academic.oup.com
Arp 220 is the prototypical ultraluminous infrared Galaxy (ULIRG), and one of the brightest
objects in the extragalactic far-infrared sky. It is the result of a merger between two gas rich …
objects in the extragalactic far-infrared sky. It is the result of a merger between two gas rich …