IIB matrix model and regularized big bang

F.R. Klinkhamer

IIB matrix model and regularized big bang

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arxiv 2009.06525 v6 pith:5FDSALUV submitted 2020-09-14 hep-th gr-qc

F.R. Klinkhamer This is my paper · ORCID

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keywords bangdegeneratelengthmatrixmetricmodelregularizedcalculated

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abstract

The large-$N$ master field of the Lorentzian IIB matrix model can, in principle, give rise to a particular degenerate metric relevant to a regularized big bang. The length parameter of this degenerate metric is then calculated in terms of the IIB-matrix-model length scale.

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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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