Dynamical evolution of a cluster of primordial black holes
Abstract
Evolution of a cluster of primordial black holes in the two-body relaxation approximation based on the Fokker-Planck equation is discussed. In our calculation, we consider the self-gravitating cluster with a wide range of black holes masses from $10^{-4} M_{\odot}$ up to $100 M_{\odot}$ and the total mass $10^5 M_{\odot}$. Moreover, we included a massive black hole in the cluster center which determines the evolution rate of the density profile in its vicinity.
- Publication:
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arXiv e-prints
- Pub Date:
- November 2020
- DOI:
- arXiv:
- arXiv:2011.03099
- Bibcode:
- 2020arXiv201103099S
- Keywords:
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- Astrophysics - Cosmology and Nongalactic Astrophysics;
- Astrophysics - Astrophysics of Galaxies
- E-Print:
- To appear in Proceedings of the 23rd Bled Workshop "What Comes Beyond Standard Models", 2020, Bled, Slovenia