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Intermediate mass black hole seeds from cosmic string loops
Physical Review D ( IF 5 ) Pub Date : 2021-12-01 , DOI: 10.1103/physrevd.104.123501
Robert Brandenberger , Bryce Cyr , Hao Jiao

We demonstrate that cosmic string loops may provide a joint resolution of two mysteries surrounding recently observed black holes. For a string tension in an appropriate range, large radius string loops have the potential to provide the nonlinearities in the early universe that seed supermassive black holes. The more numerous smaller radius string loops can then seed intermediate mass black holes, including those with a mass in the region between 65M and 135M in which standard black hole formation scenarios predict no black holes are able to form, but which have recently been detected by the LIGO/VIRGO Collaboration. We find that there could be as many as 106 of intermediate mass black holes per galaxy, providing a tantalizing target for gravitational wave observatories to look for.

中文翻译:

来自宇宙弦环的中等质量黑洞种子

我们证明了宇宙弦环可以共同解决最近观察到的黑洞周围的两个谜团。对于适当范围内的弦张力,大半径弦环有可能在早期宇宙中提供非线性,从而产生超大质量黑洞。数量更多的较小半径的弦环可以播种中等质量的黑洞,包括质量介于两者之间的黑洞。65135其中标准黑洞形成场景预测没有黑洞能够形成,但最近被 LIGO/VIRGO 合作检测到。我们发现可能有多达106 每个星系中质量黑洞的数量,为引力波天文台提供了一个诱人的目标。
更新日期:2021-12-01
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