Hawking Radiation and Lifetime of Primordial Black Holes in Braneworld

被引：2

作者：

Turimov, Bobur ^{[1
,2
,3
,4
]}

Mamadjanov, Akhror ^{[5
]}

Rahimov, Ozodbek ^{[2
,3
,6
]}

机构：

[1] New Uzbekistan Univ, Sch Appl Math, Mustaqillik Ave 54, Tashkent 100007, Uzbekistan

[2] Akfa Univ, Sch Engn, Milliy Bog St 264, Tashkent 111221, Uzbekistan

[3] Ulugh Beg Astron Inst, Astron St 33, Tashkent 100052, Uzbekistan

[4] Ajou Univ Tashkent, Dept Civil Syst Engn, Asalobod St 113, Tashkent 100204, Uzbekistan

[5] Namangan Engn Construct Inst, Namangan Engn, Islom Karimov St 12, Namangan 160103, Uzbekistan

[6] Tashkent State Tech Univ, Tashkent 100095, Uzbekistan

来源：

GALAXIES | 2023年 / 11卷 / 03期

关键词：

primordial black hole; braneworld; Hawking radiation; lifetime; DENSITY PERTURBATIONS; INFLATION; RAYS;

D O I：

10.3390/galaxies11030070

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The paper explores the thermodynamic properties of primordial black holes (PBHs) in the braneworld. Specifically, the researchers examined Hawking radiation and the lifetime of PBHs. Through their analysis, an exact analytical expression for the Bekenstein-Hawking entropy, temperature, and heat capacity was derived. Their findings suggest that the lifetime of PBHs in the early universe is reduced by at least one order of magnitude, ultimately leading to their evaporation. This could explain why we have not observed the final rapid evaporation of PBHs in the recent epoch of the universe.

引用

页数：13

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