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Anomaly-free cosmological perturbations in effective canonical quantum gravity

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arxiv 1404.1018 v2 pith:4V6IDE5R submitted 2014-04-03 gr-qc astro-ph.COhep-th

Aurelien Barrau , Martin Bojowald , Gianluca Calcagni , Julien Grain , Mikhail Kagan This is my paper · ORCID
classification gr-qcastro-ph.COhep-th
keywords perturbationscanonicalcosmologicaleffectivegravityquantumseveralanomaly-free
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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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Cited by 1 Pith paper

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  1. Lessons for loop quantum gravity from emergent modified gravity

    gr-qc 2024-11 conditional novelty 6.0 of 10

    Emergent modified gravity rules out most proposed loop quantum gravity black-hole models and shows that mu0 and mu-bar holonomy schemes are canonically equivalent, so they are not physically distinct.

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