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, spatial width and temperature of the fluctuation.
Casadio, R., Giugno, A., Giusti, A., Lenzi, M. (2019). Quantum formation of primordial black holes. GENERAL RELATIVITY AND GRAVITATION, 51(8), 1-10 [10.1007/s10714-019-2587-1].
Quantum formation of primordial black holes
Casadio, Roberto;Giusti, Andrea;Lenzi, Michele
2019
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, spatial width and temperature of the fluctuation.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
