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Anomaly-free cosmological perturbations in effective canonical quantum gravity

Abstract : This article lays out a complete framework for an effective theory of cosmological perturbations with corrections from canonical quantum gravity. Since several examples exist for quantum-gravity effects that change the structure of space-time, the classical perturbative treatment must be rethought carefully. The present discussion provides a unified picture of several previous works, together with new treatments of higher-order perturbations and the specification of initial states.
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http://hal.in2p3.fr/in2p3-00973191
Contributor : Emmanuelle Vernay <>
Submitted on : Friday, April 4, 2014 - 8:36:57 AM
Last modification on : Thursday, November 19, 2020 - 12:58:54 PM

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A. Barrau, M. Bojowald, G. Calcagni, J. Grain, M. Kagan. Anomaly-free cosmological perturbations in effective canonical quantum gravity. Journal of Cosmology and Astroparticle Physics, Institute of Physics (IOP), 2015, 2015 (05), pp.051. ⟨10.1088/1475-7516/2015/05/051⟩. ⟨in2p3-00973191⟩

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