IIB matrix model: Emergent spacetime from the master field

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F.R. Klinkhamer This is my paper · ORCID

classification hep-thgr-qc

keywords fieldmastermatrixmodelspacetimeargueclassicalemergent

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abstract

We argue that the large-$N$ master field of the Lorentzian IIB matrix model can give the points and metric of a classical spacetime.

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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.