Primordial black holes with multimodal mass spectra

被引：39

作者：

Carr, Bernard ^{[1
]}

Kuhnel, Florian ^{[2
,3
]}

机构：

[1] Queen Mary Univ London, Dept Phys & Astron, Mile End Rd, London E1 4NS, England

[2] AlbaNova Univ Ctr, KTH Royal Inst Technol, Dept Phys, Sch Engn Sci, Roslagstullsbacken 21, S-10691 Stockholm, Sweden

[3] AlbaNova Univ Ctr, Oskar Klein Ctr Cosmoparticle Phys, Roslagstullsbacken 21, S-10691 Stockholm, Sweden

来源：

PHYSICAL REVIEW D | 2019年 / 99卷 / 10期

基金：

瑞典研究理事会;

关键词：

GRAVITATIONAL COLLAPSE; DENSITY PERTURBATIONS; RENORMALIZATION; FLUCTUATIONS; INFLATION;

D O I：

10.1103/PhysRevD.99.103535

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A mechanism for generating primordial black hole mass spectra with many spikes is proposed and investigated. This mechanism relics on the choice of non-Bunch-Davies vacua, which lead to oscillatory features in the inflationary power spectrum. This in turn generates oscillations in the primordial black hole mass function with exponentially enhanced spikes. This "multimodal" effect is demonstrated for most of the well-studied models of primordial black hole formation.

引用

页数：12

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