Graviton propagator from Loop Quantum Gravity

By Eugenio Bianchi, L. Modesto, Carlo Rovelli, Simone Speziale. 2007

205 citations recorded by the source corpus.

View Paper: https://www.semanticscholar.org/paper/f7189c061c6d7538e21a0f1dc647c5ee54914e70

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Citations in the corpus

The Spin-Foam Approach to Quantum Gravity (2012, methodology): “It was then applied to the Barrett–Crane model in [5, 4, 77], where it was discovered that certain components of the two-point function could not yield the expected result compatible with Regge gravity in the semiclassical limit.”
New spinfoam vertex for quantum gravity (2007, unknown): “06 74 v2 [ gr -q c] 3 0 A”
Towards spinfoam cosmology (2010, background): “[31] Eugenio Bianchi, Leonardo Modesto, Carlo Rovelli, and Simone Speziale.”
Complete LQG propagator: Difficulties with the Barrett-Crane vertex (2007, methodology): “ns. The Appendix corrects some imprecisions in previous formularies and can be useful as a tool for further developments. We work entirely in the euclidean theory. 2 The propagator in LQG We refer to [6] for the notation and the basic deﬁnitions. We want to compute Gabcd q(x,y) = hW|hab(x) hcd(y)|Ψ ”
Loop Quantum Gravity (2003, methodology): “For instance, if the calculations of the n-point functions from Euclidean loop quantum gravity converge to the n-point functions of Euclidean perturbative quantum gravity, then it would make sense to analytically continue in the n-point functions temporal argument, and this is precisely a physical b”
On the semiclassical limit of 4d spin foam models (2008, background): “This should be contrasted with what was achieved in the context of the Barret–Crane model, where only one or two 4–simplices were considered [8].”
A new look at loop quantum gravity (2010, background): “See [53] for a discussion of this mechanism.”
Quantum graphity: A model of emergent locality (2008, background): “In approaches where general relativity is considered fundamental enough to hope to obtain a quantum theory of gravity by its quantization (such as causal dynamical triangulations [1], loop quantum gravity [2], spin foam models [3] and group field theory [4]), one needs a mechanism to generate a near”