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A result in 2d causal set theory: the emergence of spacetime

Brightwell, Graham (2009) A result in 2d causal set theory: the emergence of spacetime. Journal of Physics: Conference Series, 174 (012049). pp. 1-6. ISSN 1742-6596

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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.

Item Type: Article
Official URL: http://iopscience.iop.org/1742-6596/
Additional Information: © 2009 IOP Publishing Ltd
Library of Congress subject classification: Q Science > Q Science (General)
Q Science > QA Mathematics
Sets: Departments > Mathematics
Rights: http://www.lse.ac.uk/library/usingTheLibrary/academicSupport/OA/depositYourResearch.aspx
Date Deposited: 30 Mar 2010 15:04
URL: http://eprints.lse.ac.uk/27621/

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