2022
DOI: 10.48550/arxiv.2206.08466
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Evolution of black holes through a nonsingular cosmological bounce

Maxence Corman,
William E. East,
Justin L. Ripley

Abstract: We study the classical dynamics of black holes during a nonsingular cosmological bounce. Taking a simple model of a nonsingular bouncing cosmology driven by the combination of a ghost and ordinary scalar field, we use nonlinear evolutions of the Einstein equations to follow rotating and non-rotating black holes of different sizes through the bounce. The violation of the null energy condition allows for a shrinking black hole event horizon and we find that for sufficiently large black holes (relative to the min… Show more

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“…6 See [47] for an alternative choice of boundary conditions. 7 Note that we have assumed that the ansatz chosen for the vector Laplacian must satisfy ´D ( ∆LW ) i dV = 0, in our case given by equation (A.11).…”
Section: Uniqueness and Existence Of Solutionsmentioning
confidence: 99%
“…6 See [47] for an alternative choice of boundary conditions. 7 Note that we have assumed that the ansatz chosen for the vector Laplacian must satisfy ´D ( ∆LW ) i dV = 0, in our case given by equation (A.11).…”
Section: Uniqueness and Existence Of Solutionsmentioning
confidence: 99%