A Note on B-observables in Ponzano-Regge 3d Quantum Gravity

Details A Note on B-observables in Ponzano-Regge 3d Quantum Gravity A Note on B-observables in Ponzano-Regge 3d Quantum Gravity

2008-07-31

arxiv.org/abs/0808.0025v1

Class.Quant.Grav.26:035013,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

17 pages

Scientific paper

10.1088/0264-9381/26/3/035013

We study the insertion and value of metric observables in the (discrete) path
integral formulation of the Ponzano-Regge spinfoam model for 3d quantum
gravity. In particular, we discuss the length spectrum and the relation between
insertion of such B-observables and gauge fixing in the path integral.

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