Black holes as echoes of previous cosmic cycles
Bernard Carr, Timothy Clifton, Alan Coley

TL;DR
This paper explores the idea that black holes could survive through cyclic cosmological models, potentially explaining dark matter, galaxy formation, and the universe's bounce, with implications for cosmic evolution and dimensional transitions.
Contribution
It introduces solutions for black holes in cyclic cosmology and discusses their potential roles in dark matter, galaxy seeds, and driving cosmic bounces, highlighting their persistence across cosmic cycles.
Findings
Black holes could explain dark matter in certain mass ranges.
Black holes may serve as seeds for galaxy formation.
Black holes might drive the cosmological bounce and influence dimensional transitions.
Abstract
The existence of exact solutions which represent a lattice of black holes at a scalar-field-dominated cosmological bounce suggests that black holes could persist through successive eras of a cyclic cosmology. Here we explore some remarkable cosmological consequences of this proposal. In different mass ranges pre-big-bang black holes could explain the dark matter, provide seeds for galaxies, generate entropy and even drive the bounce itself. The cycles end naturally when the filling factor of the black holes reaches unity and this could entail a dimensional transition.
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Taxonomy
TopicsCosmology and Gravitation Theories · Relativity and Gravitational Theory · Black Holes and Theoretical Physics
