Dynamics of loop quantum gravity and spin foam models in three dimensions

Details Dynamics of loop quantum gravity and spin foam models in three dimensions Dynamics of loop quantum gravity and spin foam models in three dimensions

2004-02-25

arxiv.org/abs/gr-qc/0402112v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

To appear in the procedings of the Third International Symposium on Quantum Theory and Symmetries (QTS3), September 2003

Scientific paper

We present a rigorous regularization of Rovellis's generalized projection operator in canonical 2+1 gravity. This work establishes a clear-cut connection between loop quantum gravity and the spin foam approach in this simplified setting. The point of view adopted here provides a new perspective to tackle the problem of dynamics in the physically relevant 3+1 case.

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