Quantum Formation of Primordial Black holes
arXiv:1810.05185 · doi:10.1007/s10714-019-2587-1
Abstract
We provide a (simplified) quantum description of primordial black holes at the time of their formation. Specifically, we employ the horizon quantum mechanics to compute the probability of black hole formation starting from a simple quantum mechanical characterization of primordial density fluctuations given by a Planckian spectrum. We then estimate the initial number of primordial black holes in the early universe as a function of their typical mass and temperature of the fluctuation.
arXiv commentRevTeX, 5 pages, 2 figures
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