A perturbative scalar-tensor construction yields an evolving horizon of size proportional to the perturbation parameter that persists through a radiation-dominated bounce but evolves asymmetrically.
Black holes as echoes of previous cosmic cycles
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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.
fields
gr-qc 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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Black Hole Persistence in Scalar Tensor Theories
A perturbative scalar-tensor construction yields an evolving horizon of size proportional to the perturbation parameter that persists through a radiation-dominated bounce but evolves asymmetrically.