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| Main Author: | |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2603.27257 |
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Table of Contents:
- During the reheating epoch, gravitationally produced massive particle-antiparticle pairs undergo quantum oscillation. Perturbations in their relative densities cross out the horizon, leading to an asymmetry of particles and antiparticles inside the horizon. Massive particles decay into baryons and leptons, thereby explaining baryogenesis and leptogenesis, whose charged components must generate a nontrivial electric current, thereby producing a primordial magnetic field (magnetogenesis). As a result, the baryon (lepton) number-to-entropy ratio and the primordial magnetic field bounds are consistent with observational data. We also discuss the asymmetry of dark matter and anti-dark matter.