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LQG propagator from the new spin foams

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Nov 2009Embargo end date: 01 Jan 2009 English Publisher:Elsevier BVJournal:Nuclear Physics B, volume 822, pages 245-269 (issn: 0550-3213, Copyright policy )
Authors: Claudio Perini; Claudio Perini; Eugenio Bianchi; Elena Magliaro; Elena Magliaro;

doi: 10.1016/j.nuclphysb.2009.07.016 , 10.48550/arxiv.0905.4082

arXiv: http://arxiv.org/abs/0905.4082

LQG propagator from the new spin foams

Abstract

We compute metric correlations in loop quantum gravity with the dynamics defined by the new spin foam models. The analysis is done at the lowest order in a vertex expansion and at the leading order in a large spin expansion. The result is compared to the graviton propagator of perturbative quantum gravity.

28 pages

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Keywords

Nuclear and High Energy Physics, [PHYS.GRQC] Physics [physics]/General Relativity and Quantum Cosmology [gr-qc], FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), General Relativity and Quantum Cosmology

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
95
Top 10%
Top 10%
Top 1%
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gold
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