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Asymmetries from a charged memory-burdened PBH

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arxiv 2412.13254 v2 pith:NZZIVVKJ submitted 2024-12-17 hep-ph astro-ph.COhep-th

Basabendu Barman , Kousik Loho , Óscar Zapata This is my paper · ORCID
classification hep-phastro-ph.COhep-th
keywords abundanceasymmetrychargeddensitygravitationalradiationaccountalong
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We explore a purely gravitational origin of observed baryon asymmetry and dark matter (DM) abundance from asymmetric Hawking radiation of light primordial black holes (PBH) in presence of a non-zero chemical potential, originating from the space-time curvature. Considering the PBHs are described by a Reissner-Nordstr\"{o}m metric, and are produced in a radiation dominated Universe, we show, it is possible to simultaneously explain the matter-antimatter asymmetry along with right DM abundance satisfying bounds from big bang nucleosynthesis, cosmic microwave background and gravitational wave energy density due to PBH density fluctuation. We also obtain the parameter space beyond the semiclassical approximation, taking into account the quantum effects on charged PBH dynamics due to memory burden.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Black Hole Memory Burden and its Signatures in Gravitational Waves from Mergers

    gr-qc 2026-07 conditional novelty 6.0 of 10

    Swift memory burden shifts black-hole quasinormal-mode frequencies by an amount set by the memory-load parameter μ and critical exponent p, with μ able to exceed the progenitor's information content.

  2. Relativistic accretion and burdened primordial black holes

    astro-ph.CO 2025-07 conditional novelty 4.0 of 10

    Combining relativistic accretion with memory-burdened evaporation widens the parameter space for primordial black holes as dark matter and changes dark matter and dark radiation emission predictions.

  3. New bounds on Memory Burdened Primordial Black Holes from Big Bang Nucleosynthesis

    astro-ph.CO 2025-06 reject novelty 4.0 of 10

    Memory-burdened primordial black holes lighter than 10^9 grams are newly constrained by Big Bang nucleosynthesis, with a residual unconstrained window around 1-100 grams for suppression index k=2.

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