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2020

IIB matrix model: Extracting the spacetime metric

Klinkhamer, F. R.

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The large-$N$ 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.

IIB matrix model: Extracting the spacetime metric · Around

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F.R. Klinkhamer, “Regularized big bang singularity,” Phys. Rev. D 100
Original
1903
Earlier work this paper cites.
J. Nishimura and A. Tsuchiya, “Complex Langevin analysis of the space-time structure in the Lorentzian type IIB matrix model,” JHEP 1906
Original
1904
Earlier work this paper cites.
F.R. Klinkhamer, “On the emergence of an expanding universe from a Lorentzian matrix model,” preprint arXiv:1912.12229v6
Original
1912
Earlier work this paper cites.
F.R. Klinkhamer, “On the emergence of an expanding universe from a Lorentzian matrix model,” Prog. Theor. Exp. Phys. 2020
Original
1912
Earlier work this paper cites.

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Then

F.R. Klinkhamer, “IIB matrix model: Emergent spacetime from the master field,” Prog. Theor. Exp. Phys. 2021
Original
2007
Later among the works it cites.
F.R. Klinkhamer, “IIB matrix model: Extracting the spacetime points,” arXiv:2008.01058
Original
2008
Later among the works it cites.
F.R. Klinkhamer, “Regularized big bang and IIB matrix model,” arXiv:2009.06525
Original
2009
Later among the works it cites.
S.W. Kim, J. Nishimura, and A. Tsuchiya, “Expanding (3+1)-dimensional universe from a Lorentzian matrix model for superstring theory in (9+1)-dimensions,” Phys. Rev. Lett. 108
Original
2012
Later among the works it cites.

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