期刊
PHYSICAL REVIEW D
卷 104, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.104.123501
关键词
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资金
- NSERC
- Canada Research Chair program
- Vanier-CGS fellowship
- HydroQuebec (McGill Physics Department)
- McGill Space Institute
Cosmic string loops offer a potential solution to mysteries surrounding observed black holes by seeding supermassive black holes and intermediate mass black holes, with the possibility of as many as 10^6 intermediate mass black holes per galaxy.
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 65 M-circle dot and 135 M-circle dot 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 10(6) of intermediate mass black holes per galaxy, providing a tantalizing target for gravitational wave observatories to look for.
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