Symbiotic Magnetogenesis during Radiation Domination

arXiv:2606.25171 · astro-ph.HE, hep-ph · Submitted 2026-06-23 · Read on arXiv

Stephon Alexander, Ariel Marxena Baksh, Lawrence Edmond, Wenrong Sun

astro-ph.HE, hep-ph

Submitted: 2026-06-23

Comments: 10 pages, 8 figures, 10 figure files

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

Terminology

• Benchmark — 8× in this paper · explained in 2 episodes
• Coherence Length — 5× in this paper · explained in 2 episodes
• Fine-Tuning — 5× in this paper · explained in 5 episodes
• Alignment — 1× in this paper · explained in 1 episode
• Cosmic Microwave Background — 1× in this paper
• Primordial Magnetic Fields — 1× in this paper · explained in 2 episodes

Sources

• Origin of Galactic and Extragalactic Magnetic Fields
• Constraints on the intergalactic magnetic field from ${\gamma}$-ray observations of GRB 190114C
• Constraints on the intergalactic magnetic field from Fermi-LAT observations of GRB 221009A
• EGMF Constraints from Simultaneous GeV-TeV Observations of Blazars
• Constraints on a Primordial Magnetic Field
• Gamma-ray Cosmology and Tests of Fundamental Physics
• The evolution of primordial magnetic field since its generation
• Small-scale CMB polarization anisotropies due to tangled primordial magnetic fields
• Revisiting constraints on primordial magnetic fields from spectral distortions of cosmic microwave background
• Constraints on the intergalactic magnetic field using Fermi-LAT and H.E.S.S. blazar observations
• Cosmological Magnetic Fields: Their Generation, Evolution and Observation
• Large-scale magnetic fields from inflation in dilaton electromagnetism
• Generation of Large-Scale Magnetic Fields in Single-Field Inflation
• Magnetic fields from inflation?
• Inflationary Magnetogenesis without the Strong Coupling Problem II: Constraints from CMB anisotropies and B-modes
• Adding helicity to inflationary magnetogenesis
• Consistent generation of magnetic fields in axion inflation models
• Magnetogenesis from axion inflation
• The strong backreaction regime in axion inflation
• The non-linear dynamics of axion inflation: a detailed lattice study

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