黑洞和引力波在现实模型中的相变

IF 6.4 2区物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS

Physics of the Dark Universe Pub Date : 2025-09-08 DOI:10.1016/j.dark.2025.102075

M. Lewicki , P. Toczek , V. Vaskonen

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引用次数: 0

摘要

我们研究了从一阶相变中产生的密度波动预测原始黑洞（PBH）形成的现实模型。我们证明了气泡成核率的二阶修正对于准确预测和量化其对pbh和引力波（GWs）丰度的影响是必要的。我们发现随着二阶项的增加，波动的分布变得更接近高斯分布。因此，预测相同PBH丰度的模型可以产生不同的GW光谱。

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Black holes and gravitational waves from phase transitions in realistic models

We study realistic models predicting primordial black hole (PBH) formation from density fluctuations generated in a first-order phase transition. We show that the second-order correction in the expansion of the bubble nucleation rate is necessary for accurate predictions and quantify its impact on the abundance of PBHs and gravitational waves (GWs). We find that the distribution of the fluctuations becomes more Gaussian as the second-order term increases. Consequently, models that predict the same PBH abundances can produce different GW spectra.

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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.