Turbulent Transport of Galactic Magnetic Fields into Cosmic Voids: Insights from IllustrisTNG

arXiv:2607.09484 · astro-ph.CO · Submitted 2026-07-10 · Read on arXiv

astro-ph.CO

Submitted: 2026-07-10

Updated: 2026-09-25

Comments: 12 pages, 6 figures, 1 table

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Primordial Magnetic Fields — 4× in this paper · explained in 2 episodes
• AGN — 1× in this paper · explained in 1 episode

Sources

• Planck 2015 results. XIX. Constraints on primordial magnetic fields
• Constraints on Primordial Magnetic Fields from the Lyman-{\alpha} forest
• Evidence for strong extragalactic magnetic fields from Fermi observations of TeV blazars
• Lower Bounds on Intergalactic Magnetic Fields from Simultaneously Observed GeV-TeV Light Curves of the Blazar Mrk 501
• Lower Bounds on Magnetic Fields in Intergalactic Voids from Long-Term GeV-TeV Light Curves of the Blazar Mrk 421
• A lower bound on intergalactic magnetic fields from time variability of 1ES 0229+200 from MAGIC and Fermi/LAT observations
• Constraints on the intergalactic magnetic field from Fermi-LAT observations of GRB 221009A
• Impact of Plasma Instabilities and of the Intergalactic Magnetic Field on Blazar-Induced Electromagnetic Cascades
• The impact of plasma instability cooling on intergalactic magnetic field constraints in GeV cascades for optimized instability cooling parameters
• Are magnetic fields in cosmic voids primordial?
• On the contribution of galaxies to the magnetic field in cosmic voids
• Can galactic magnetic fields diffuse into the voids?
• First Results from the TNG50 Simulation: The evolution of stellar and gaseous disks across cosmic time
• First Results from the TNG50 Simulation: Galactic outflows driven by supernovae and black hole feedback
• Efficient Computation of CMB anisotropies in closed FRW models
• The contribution of magnetized galactic outflows to extragalactic Faraday rotation
• Constraint on magnetized galactic outflows from LOFAR rotation measure data

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