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Paper detail

Anomaly-free cosmological perturbations in effective canonical quantum gravity

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.

preprint2015arXivOpen access
Aurelien BarrauMartin BojowaldGianluca CalcagniJulien GrainMikhail Kagan
astro-ph.COgr-qchep-th
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Aurelien BarrauMartin BojowaldGianluca CalcagniJulien GrainMikhail Kagan

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