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The Primordial Black Hole Formation from Single-Field Inflation is Not Ruled Out | | Antonio Riotto
; | | Date: |
2 Jan 2023 | | Abstract: | A standard scenario to form primordial black holes in the early universe is
based on a phase of ultra-slow-roll in single-field inflation when the
amplitude of the short scale modes is enhanced compared to the CMB plateau.
Based on general arguments, we show that the loop corrections to the
large-scale linear power spectrum from the short modes are small and conclude
that the scenario is not ruled out. | | Source: | arXiv, 2301.00599 | | Services: | Forum | Review | PDF | Favorites | |
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