期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS D
卷 22, 期 7, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S021827181350034X
关键词
Primordial black holes; inflation
资金
- Ministry of Education and Science of Russia [8525]
We consider the early Universe scenario which allows for production of non-Gaussian curvature perturbations at small scales. We study the peculiarities of a formation of primordial black holes (PBHs) connected with the non-Gaussianity. In particular, we show that PBH constraints on the values of curvature perturbation power spectrum amplitude are strongly dependent on the shape of perturbations and can significantly (by two orders of magnitude) deviate from the usual Gaussian limit P-zeta less than or similar to 10(-2). We give examples of PBH mass spectra calculations and PBH constraints for the particular case of the curvaton model.
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