The loop space representation of 2+1 gravity: Physical observables, variational principles, and the issue of time

Details The loop space representation of 2+1 gravity: Physical observables, variational principles, and the issue of time The loop space representation of 2+1 gravity: Physical observables, variational principles, and the issue of time

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991gregr..23..661n&link_type=abstract

General Relativity and Gravitation, Volume 23, Issue 6, pp.661-669

Physics

1

Scientific paper

We consider the loop space representation of Rovelli and Smolin as the starting point for the analysis of quantum gravity in 2+1 dimensions. To do so, we introduce observables directly within this representation and consider the problem of its Lagrangian formulation. The implications of this framework for the issue of time are discussed and the extension of these results to 3+1 gravity is also considered.

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