Axion-driven spontaneous leptogenesis, precisely

arXiv:2608.05279 · hep-ph, astro-ph.CO · Submitted 2026-08-05 · Read on arXiv

Konstantin Kuckenberg, Martin A. Mojahed, Kai Schmitz, Hidenaga Watanabe

hep-ph, astro-ph.CO

Submitted: 2026-08-05

Comments: 57 pages, 16 figures

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

Terminology

• Boltzmann Equation — 34× in this paper · explained in 2 episodes
• Reheating — 16× in this paper · explained in 2 episodes
• Standard Model — 7× in this paper
• Benchmark — 4× in this paper · explained in 2 episodes
• Conservation Laws — 2× in this paper · explained in 3 episodes
• Consistency — 2× in this paper · explained in 3 episodes
• Decoupling — 2× in this paper · explained in 2 episodes
• Symmetry Breaking — 2× in this paper · explained in 3 episodes

Sources

• Cosmological Relaxation of the Electroweak Scale
• Planck 2018 results. VI. Cosmological parameters
• Leptogenesis via Axion Oscillations after Inflation
• Spontaneous thermal Leptogenesis via Majoron oscillation
• Strongly broken Peccei-Quinn symmetry in the early Universe
• Deformation of Axion Potentials: Implications for Spontaneous Baryogenesis, Dark Matter, and Isocurvature Perturbations
• Axiogenesis
• Spontaneous Baryogenesis from Axions with Generic Couplings
• Predictions for Axion Couplings from ALP Cogenesis
• Lepto-Axiogenesis
• Dark Grand Unification in the Axiverse: Decaying Axion Dark Matter and Spontaneous Baryogenesis
• Leptogenesis driven by majoron
• Lepto-axiogenesis with light right-handed neutrinos
• Type II Seesaw Leptogenesis in a Majoron background
• Axiverse Baryogenesis
• Spontaneous Leptogenesis in Type I Seesaw
• Asymmetric Dark Matter from Low-Scale Spontaneous Leptogenesis
• Spontaneous Cogensis by QCD axion in Type I Seesaw
• Complex Spinors and Unified Theories
• NuFit-6.0: Updated global analysis of three-flavor neutrino oscillations

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• A Unified Bogoliubov Approach to Primordial Gravitational Waves: From Inflation to Reheating
• Probing Memory-Burdened Primordial Black Holes with High-Energy Neutrinos
• Enhanced Dark Matter Quantum Sensing via Phase-Space Geometric Interferometry
• Axions as Dark Matter, Dark Energy, and Dark Radiation