http://arxiv.org/abs/2103.16369
The merger rate of primordial black holes depends on their initial clustering. In the absence of primordial non-Gaussianity correlating short and large-scales, primordial black holes are distributed à la Poisson at the time of their formation. However, primordial non-Gaussianity of the local-type may correlate primordial black holes on large-scales. We show that future experiments looking for CMB $\mu$-distortion will test the hypothesis of initial primordial black hole clustering induced by local non-Gaussianity.
V. Luca, G. Franciolini and A. Riotto
Wed, 31 Mar 2021
46/62
Comments: 5 pages, 2 figures
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