Ref HAL: hal-00673769_v1
Ref Arxiv: 1202.5039
DOI: 10.1088/0264-9381/29/14/145018
WoS: 000305810600019
Ref. & Cit.: NASA ADS
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4 Citations
Résumé:

We show that the degenerate sector of Spin(4) Plebanski formulation of four-dimensional gravity is exactly solvable and describes covariantly embedded SU(2) BF theory. This fact provides its spin foam quantization and allows to test various approaches of imposing the simplicity constraints. Our analysis suggests a unique method of imposing the constraints which leads to a consistent and well defined spin foam model.

Commentaires: 34 pages