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arXiv 2109.02170gr-qcastro-ph.COhep-ph
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用LISA和Einstein望远镜探测极端质量比吸气中的亚太阳质量原始黑洞

Detecting Subsolar-Mass Primordial Black Holes in Extreme Mass-Ratio Inspirals with LISA and Einstein Telescope

Susanna Barsanti, Valerio De Luca, Andrea Maselli, Paolo Pani

摘要:

可能形成于早期宇宙的原始黑洞可以提供相当大一部分的暗物质,并将成为暴胀的独特探针。他们的发现的确凿证据将是探测到太阳下质量的致密物体。我们认为,极端质量比的螺旋将是理想的搜索亚太阳质量的黑洞不仅与LISA,而且与第三代地面探测器,如宇宙探测器和爱因斯坦望远镜。这些源可以提供无与伦比的测量次级物体的质量在subpercent水平的原始黑洞作为光的${\cal O}(0.01)M_\odot$高达光度的距离大约几百兆秒差距和几千兆秒差距的LISA和爱因斯坦望远镜,分别在互补的频率范围。这将允许以非常高的统计置信度声称探测到亚太阳质量的黑洞,这也将为第三代探测器提供一个新的(目前无法探测的)源家族。

英文摘要:

Primordial black holes possibly formed in the early universe could provide a significant fraction of the dark matter and would be unique probes of inflation. A smoking gun for their discovery would be the detection of a subsolar mass compact object. We argue that extreme mass-ratio inspirals will be ideal to search for subsolar-mass black holes not only with LISA but also with third-generation ground-based detectors such as Cosmic Explorer and the Einstein Telescope. These sources can provide unparalleled measurements of the mass of the secondary object at subpercent level for primordial black holes as light as ${\cal O}(0.01)M_\odot$ up to luminosity distances around hundred megaparsec and few gigaparsec for LISA and Einstein Telescope, respectively, in a complementary frequency range. This would allow claiming, with very high statistical confidence, the detection of a subsolar-mass black hole, which would also provide a novel (and currently undetectable) family of sources for third-generation detectors.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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