Making waves on CMB power spectrum and inflaton dynamics

Details Making waves on CMB power spectrum and inflaton dynamics Making waves on CMB power spectrum and inflaton dynamics

2004-07-30

arxiv.org/abs/astro-ph/0407631v2

Phys.Lett. B605 (2005) 223-227

Astronomy and Astrophysics

Astrophysics

8 pages, 2 figures, version accepted for publication in Physics Letters B; several references are added

Scientific paper

10.1016/j.physletb.2004.11.033

We discuss cosmic microwave background anisotropies in models with an
unconventional primordial power spectrum. In particular, we consider an initial
power spectrum with some ``spiky'' corrections. Interestingly, such a
primordial power spectrum generates ``wavy'' structure in the CMB angular power
spectrum.

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