期刊
CLASSICAL AND QUANTUM GRAVITY
卷 27, 期 13, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0264-9381/27/13/135003
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- ANR [LQG-06]
We study the asymptotic expansion of the {6j}-symbol using the Schulten-Gordon recursion relations. We focus on the particular case of the isosceles tetrahedron and we provide explicit formulas for up to the third-order corrections beyond the leading order. Moreover, in the framework of spinfoam models for 3D quantum gravity, we show how these recursion relations can be used to derive Ward-Takahashi-like identities between the expectation values of graviton-like spinfoam correlations.
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