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Emergence of a 4D World from Causal Quantum Gravity

J. Ambjørn, J. Jurkiewicz, and R. Loll
Phys. Rev. Lett. 93, 131301 – Published 21 September 2004
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Abstract

Causal Dynamical Triangulations in four dimensions provide a background-independent definition of the sum over geometries in nonperturbative quantum gravity, with a positive cosmological constant. We present evidence that a macroscopic four-dimensional world emerges from this theory dynamically.

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  • Received 21 April 2004

DOI:https://doi.org/10.1103/PhysRevLett.93.131301

©2004 American Physical Society

Authors & Affiliations

J. Ambjørn1,3,*, J. Jurkiewicz2,†, and R. Loll3,‡

  • 1The Niels Bohr Institute, Copenhagen University, Blegdamsvej 17, DK-2100 Copenhagen Ø, Denmark
  • 2Institute of Physics, Jagellonian University, Reymonta 4, PL 30-059 Krakow, Poland
  • 3Institute for Theoretical Physics, Utrecht University, Leuvenlaan 4, NL-3584 CE Utrecht, The Netherlands

  • *Electronic address: ambjorn@nbi.dk, j.ambjorn@phys.uu.nl
  • Electronic address: jurkiewicz@th.if.uj.edu.pl
  • Electronic address: r.loll@phys.uu.nl

See Also

Deriving Dimensions

Adrian Cho
Phys. Rev. Focus 14, 13 (2004)

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Issue

Vol. 93, Iss. 13 — 24 September 2004

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