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Title: Result in 2d causal set theory: the emergence of spacetime
Authors: Brightwell, Graham
Henson, Joe
Surya, Sumati
Issue Date: Jun-2009
Publisher: IOP Publishing Ltd
Citation: Journal of Physics: Conference Series, 2009, Vol. 174, p012049
Abstract: A 2d model of causal set quantum gravity is constructed using a continuum-inspired dynamics. Apart from a restriction to causal set dimension and topology, the model is fully dynamical and includes all relevant 2d conformally flat degrees of freedom. Surprisingly, in the large N limit the partition function is dominated by causal sets that resemble 2d Minkowski spacetime. Thus, in this model the "entropy problem" of causal set theory is overcome and a sensible low energy limit is obtained.
Description: Open Access
ISSN: 1742-6588
1742-6596 (Online)
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Copyright: 2009 IOP Publishing Ltd
Appears in Collections:Research Papers (TP)

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