IIB matrix model: Extracting the spacetime metric

preprint2021arXivOpen access

Abstract

The large-NN master field of the Lorentzian IIB matrix model is of course not known, but we can assume that we already have it and investigate how the emerging spacetime metric could be extracted. We show that, in principle, it is possible to obtain both the Minkowski metric and the spatially flat Robertson-Walker metric.

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