In an LQC bouncing cosmology, second-order quantum moments yield a Planck-suppressed scale-dependent correction δP_R ∝ (k ℓ_Pl)^6 to the curvature power spectrum together with post-bounce damping from gravitational moments.
Canonical description of cosmological backreaction.Journal of Cosmology and 21 Astroparticle Physics, 2021(03):083, 2021
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Quantum corrections to cosmic perturbations for a bouncing background
In an LQC bouncing cosmology, second-order quantum moments yield a Planck-suppressed scale-dependent correction δP_R ∝ (k ℓ_Pl)^6 to the curvature power spectrum together with post-bounce damping from gravitational moments.