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Constraining burdened PBHs with gravitational waves

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arxiv 2409.05953 v2 pith:AJUQDRDB submitted 2024-09-09 gr-qc astro-ph.COhep-ph

Constraining burdened PBHs with gravitational waves

Basabendu Barman , Kousik Loho , \'Oscar Zapata This is my paper
classification gr-qc astro-ph.COhep-ph
keywords pbhsburdenburdenedconstraintsgravitationalmemoryprimordialarising
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We investigate the implications of memory burden on the gravitational wave (GW) spectrum arising from the Hawking evaporation of light primordial black holes (PBHs). By considering both rotating (Kerr) and non-rotating (Schwarzschild) PBHs, we demonstrate that the overproduction of primordial GWs from burdened PBHs could impose stringent constraints on the parameters governing backreaction effects. These constraints, derived from $\Delta N_{\rm eff}$ measurements by Planck and prospective experiments such as CMB-S4 and CMB-HD, offer novel insights into the impact of memory burden on PBH dynamics.

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Cited by 3 Pith papers

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

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

    gr-qc 2026-07 conditional novelty 6.0

    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. Constraining memory-burdened primordial black holes with graviton-photon conversion and binary mergers

    hep-ph 2025-11 unverdicted novelty 6.0

    Derives gamma-ray upper limits on memory-burdened PBH dark matter abundance using graviton-photon conversion during recombination and merger-induced semiclassical evaporation, excluding mass windows 7.5e5-4.4e7 g and ...

  3. Memory-Burden Suppression of Hawking Radiation and Neutrino Constraints on Primordial Black Holes

    hep-ph 2026-04 unverdicted novelty 5.0

    Memory-burden backreaction deforms the Hawking spectrum to suppress its high-energy tail, lowering total luminosity and neutrino flux by a factor set by a single suppression parameter and thereby relaxing IceCube boun...