Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2009-05-26
Phys.Rev.D80:024035,2009
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
16 pages
Scientific paper
10.1103/PhysRevD.80.024035
In the context of spinfoam models for quantum gravity, we investigate the asymptotical behavior of the 6j-symbol at next-to-leading order. We compute it analytically and check our results against numerical calculations. The 6j-symbol is the building block of the Ponzano-Regge amplitudes for 3d quantum gravity, and the present analysis is directly relevant to deriving the quantum corrections to gravitational correlations in the spinfoam formalism.
Dupuis Maité
Livine Etera R.
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