有原始黑洞产生的斯塔罗宾斯基膨胀修正引力模型中的量子环校正

IF 2.5 4区 物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS
Universe Pub Date : 2024-09-04 DOI:10.3390/universe10090354
Sultan Saburov, Sergei V. Ketov
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引用次数: 0

摘要

提出了一个斯塔罗宾斯基暴胀和原始黑洞产生的修正引力模型,该模型与当前的宇宙微波背景辐射测量结果吻合良好(在 1σ 以内)。该模型是无奇点的阿普尔比-巴蒂-斯塔罗宾斯基模型的扩展,其中的R4项具有不同的参数值,其微调导致在更小的尺度上有效地产生原始黑洞,其质量在1016克到1020克之间,为小行星大小。这些原始黑洞可能是当前暗物质的一部分(或全部),而所提出的模型可以通过探测或不探测频率在10-2赫兹范围内的诱导引力波来证实或证伪。发现该模型中标量扰动功率谱的量子(环)修正的相对大小为 10-3 或更小,因此该模型并没有被量子修正所排除。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Quantum Loop Corrections in the Modified Gravity Model of Starobinsky Inflation With Primordial Black Hole Production
A modified gravity model of Starobinsky inflation and primordial black hole production is proposed in good (within 1σ) agreement with current measurements of the cosmic microwave background radiation. The model is an extension of the singularity-free Appleby–Battye–Starobinsky model by the R4 term with different values of the parameters whose fine-tuning leads to the efficient production of primordial black holes on smaller scales with the asteroid-size masses between 1016 g and 1020 g. Those primordial black holes may be part (or the whole) of the current dark matter, while the proposed model can be confirmed or falsified by the detection or absence of the induced gravitational waves with the frequencies in the 10−2 Hz range. The relative size of quantum (loop) corrections to the power spectrum of scalar perturbations in the model is found to be of the order of 10−3 or less, so that the model is not ruled out by the quantum corrections.
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来源期刊
Universe
Universe Physics and Astronomy-General Physics and Astronomy
CiteScore
4.30
自引率
17.20%
发文量
562
审稿时长
24.38 days
期刊介绍: Universe (ISSN 2218-1997) is an international peer-reviewed open access journal focused on fundamental principles in physics. It publishes reviews, research papers, communications, conference reports and short notes. Our aim is to encourage scientists to publish their research results in as much detail as possible. There is no restriction on the length of the papers.
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