Regularized big bang singularity

F.R. Klinkhamer

Regularized big bang singularity

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arxiv 1903.10450 v6 pith:WYHAKTVF submitted 2019-03-25 gr-qc astro-ph.COhep-th

F.R. Klinkhamer This is my paper · ORCID

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keywords bangregularizationsingularsingularitysolutionableapplydefect

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Following up on earlier work on the regularization of the singular Schwarzschild solution, we now apply the same procedure to the singular Friedmann solution. Specifically, we are able to remove the divergences of the big bang singularity, at the price of introducing a 3-dimensional spacetime defect with a vanishing determinant of the metric. This particular regularization also suggests the existence of a "pre-big-bang" phase.

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Big Bang as spacetime defect
gr-qc 2024-12 conditional novelty 2.0 of 10

The Big Bang singularity is replaced by a degenerate-metric spacelike defect, yielding a smooth bounce with finite curvature and a second world on the other side.

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