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Quantum Gravity as a Broken Symmetry Phase of a BF Theory
Symmetry, integrability and geometry: methods and applications, Tome 2 (2006) Cet article a éte moissonné depuis la source Math-Net.Ru

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We explain how General Relativity with a cosmological constant arises as a broken symmetry phase of a BF theory. In particular we show how to treat de Sitter and anti-de Sitter cases simultaneously. This is then used to formulate a quantisation of General Relativity through a spin foam perturbation theory. We then briefly discuss how to calculate the effective action in this quantization procedure.
Keywords: de Sitter; anti-de Sitter; spin foams. 
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     author = {Aleksandar Mikovi\'c},
     title = {Quantum {Gravity} as a {Broken} {Symmetry} {Phase} of {a~BF} {Theory}},
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     url = {http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a85/}
}
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Aleksandar Miković. Quantum Gravity as a Broken Symmetry Phase of a BF Theory. Symmetry, integrability and geometry: methods and applications, Tome 2 (2006). http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a85/

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