期刊
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
卷 -, 期 9, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1475-7516/2019/09/033
关键词
primordial black holes; GR black holes
资金
- Japan Society for the Promotion of Science (JSPS)
- National Research Foundation of Korea (NRF) [NRF-2018K2A9A2A08000127]
- JSPS KAKENHI [JP19H01895]
- Basic Science Research Program through NRF [2016R1D1A1B03930408]
- MEXT KAKENHI [15H05888, 18H04356]
- National Research Foundation of Korea [2016R1D1A1B03930408] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- Grants-in-Aid for Scientific Research [18H04356] Funding Source: KAKEN
We discuss the effect of local type non-Gaussianity on the abundance of primordial black holes (PBH) based on the peak theory. We provide the PBH formation criterion based on the so-called compaction function and use the peak theory statistics associated with the curvature perturbation with the local type non-Gaussianity. Providing a method to estimate the PBH abundance, we demonstrate the effects of non-Gaussianity. It is explicitly shown that the value of non-linear parameter vertical bar f(NL)vertical bar similar to 1 induces a similar effect to a few factors of difference in the amplitude of the power spectrum.
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