LQG propagator from the new spin foams

Details LQG propagator from the new spin foams LQG propagator from the new spin foams

2009-05-25

arxiv.org/abs/0905.4082v1

Nucl.Phys.B822:245-269,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

28 pages

Scientific paper

10.1016/j.nuclphysb.2009.07.016

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.

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