Remarks on the renormalization of primordial cosmological perturbations

Details Remarks on the renormalization of primordial cosmological perturbations Remarks on the renormalization of primordial cosmological perturbations

2011-08-03

arxiv.org/abs/1108.0949v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages

Scientific paper

We briefly review the need to perform renormalization of inflationary
perturbations to properly work out the physical power spectra. We also
summarize the basis of (momentum-space) renormalization in curved spacetime and
address several misconceptions found in recent literature on this subject.

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