在单场充气的 EFT 中利用多重尖锐转变规避 PBH 形成和 SIGW 生成的禁区

IF 5 2区物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS

Physics of the Dark Universe Pub Date : 2024-07-31 DOI:10.1016/j.dark.2024.101602

Gourab Bhattacharya , Sayantan Choudhury , Kritartha Dey , Saptarshi Ghosh , Ahaskar Karde , Navneet Suryaprakash Mishra

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引用次数: 0

摘要

在统一框架下部署（MSTs），我们研究了原始黑洞（PBHs）的形成和标量诱发引力波（SIGWs）的产生，方法是结合一环校正重归一化和标量功率谱。在有效声速参数为，的情况下，其直接结果是产生的PBH质量跨越，从而回避了众所周知的PBH质量问题。我们的结果与广泛的 NANOGrav 15 年数据以及其他陆基和空基实验（如 LISA、HLVK、BBT、CAST）所概述的敏感性一致：LISA、HLVK、BBO、HLV(O3)等）的敏感性相一致。

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Evading no-go for PBH formation and production of SIGWs using Multiple Sharp Transitions in EFT of single field inflation

Deploying multiple sharp transitions (MSTs) under a unified framework, we investigate the formation of Primordial Black Holes (PBHs) and the production of Scalar Induced Gravitational Waves (SIGWs) by incorporating one-loop corrected renormalized-resummed scalar power spectrum. With effective sound speed parameter, $1 ⩽ c_{s} ⩽ 1.17$ , the direct consequence is the generation of PBH masses spanning $M_{PBH} \sim O (1 0^{- 31} M_{⊙} - 1 0^{4} M_{⊙})$ , thus evading well known No-go theorem on PBH mass. Our results align coherently with the extensive NANOGrav 15-year data and the sensitivities outlined by other terrestrial and space-based experiments (e.g.: LISA, HLVK, BBO, HLV(O3), etc.).

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来源期刊

Physics of the Dark Universe ASTRONOMY & ASTROPHYSICS-

CiteScore

9.60

自引率

7.30%

发文量

118

审稿时长

61 days

期刊介绍： Physics of the Dark Universe is an innovative online-only journal that offers rapid publication of peer-reviewed, original research articles considered of high scientific impact. The journal is focused on the understanding of Dark Matter, Dark Energy, Early Universe, gravitational waves and neutrinos, covering all theoretical, experimental and phenomenological aspects.