Constraining burdened PBHs with gravitational waves

被引：12

作者：

Barman, Basabendu ^{[1
]}

Loho, Kousik ^{[2
]}

Zapata, Oscar ^{[3
]}

机构：

[1] SRM Univ AP, Sch Engn & Sci, Dept Phys, Amaravati 522240, India

[2] Harish Chandra Res Inst, Reg Ctr Accelerator Based Particle Phys, Chhatnag Rd, Jhunsi 211019, Prayagraj, India

[3] Univ Antioquia, Inst Fis, Calle 70 52-21,Apartado Aereo 1226, Medellin, Colombia

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2024年 / 10期

关键词：

physics of the early universe; primordial black holes; recombination; PRIMORDIAL BLACK-HOLES; PARTICLE EMISSION RATES; EVAPORATION; MASS;

D O I：

10.1088/1475-7516/2024/10/065

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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 triangle N 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.

引用

页数：23

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