Holonomy corrections to the cosmological primordial tensor power spectrum

Details Holonomy corrections to the cosmological primordial tensor power spectrum Holonomy corrections to the cosmological primordial tensor power spectrum

2008-05-03

arxiv.org/abs/0805.0356v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages, Proc. of the 43rd Rencontres de Moriond "Cosmology 2008"

Scientific paper

Loop quantum gravity is one of the leading candidate theory to non-perturbatively quantize gravity. In this framework, holonomy corrections to the equation of propagation of gravitons in a FLRW background have been derived. We investigate the consequences of those corrections on the tensor power spectrum in de-Sitter and slow-roll inflations, for n=-1/2. Depending on the value of the Barbero-Immirzi parameter, several observational features could be expected.

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