# A new spin foam model for 4D gravity

@article{Freidel2007ANS, title={A new spin foam model for 4D gravity}, author={Laurent Freidel and Kirill Krasnov}, journal={Classical and Quantum Gravity}, year={2007}, volume={25}, pages={125018} }

Starting from Plebanski formulation of gravity as a constrained BF theory we propose a new spin foam model for 4D Riemannian quantum gravity that generalizes the well-known Barrett–Crane model and resolves the inherent to it ultra-locality problem. The BF formulation of 4D gravity possesses two sectors: gravitational and topological ones. The model presented here is shown to give a quantization of the gravitational sector, and is dual to the recently proposed spin foam model of Engle et al…

## 473 Citations

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