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gr-qc2003
Boucles et Mousses de Spin en Gravite Quantique
Etera R. Livine
I review the formalism of loop quantum gravity, in both its real and complex formulations, and spin foam theory which is its path integral counterpart. Spin networks for non-compac…
gr-qc2003★ 2 cited
Causality in spin foam models for quantum gravity
Etera R. Livine, Daniele Oriti
We describe how the Barrett-Crane spin foam model defines transition amplitudes for quantum gravity states and how causality can be consistently implemented in it.