CMB Anisotropies Reveal Quantized Gravity

Details CMB Anisotropies Reveal Quantized Gravity CMB Anisotropies Reveal Quantized Gravity

2004-01-07

arxiv.org/abs/astro-ph/0401070v1

Mod.Phys.Lett. A20 (2005) 509-518

Astronomy and Astrophysics

Astrophysics

12 pages, 2 figures

Scientific paper

10.1142/S0217732305016634

A novel primordial spectrum with a dynamical scale of quantum gravity origin is proposed to explain the sharp fall off of the angular power spectra at low multipoles in the COBE and WMAP observations. The spectrum is derived from quantum fluctuations of the scalar curvature in a renormalizable model of induced gravity. This model describes the very early universe by the conformal field fluctuating about an inflationary background with the expansion time constant of order of the Planck mass.

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