Perturbative finiteness in spin-foam quantum gravity

Crane, L.; Perez, Alejandro; Rovelli, C.

doi:10.1103/PhysRevLett.87.181301

Perturbative finiteness in spin-foam quantum gravity

L. Crane
(
- Kansas State U. and
- Lisbon, IST
)
,
Alejandro Perez
(
- Marseille, CPT and
- Pittsburgh U.
)
,
C. Rovelli
(
- Marseille, CPT and
- Pittsburgh U.
)

2001

4 pages

Published in:

Phys.Rev.Lett. 87 (2001) 181301

DOI:

10.1103/PhysRevLett.87.181301

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Abstract: (APS)

The Lorentzian “normalized balanced state sum model” of quantum general relativity is finite on any nondegenerate triangulation. It provides a candidate for a background independent, perturbatively finite, quantum theory of general relativity in four dimensions and with Lorentzian signature.

quantum gravity
spin: foam
general relativity
triangulation
duality
Feynman graph
BF model

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