Natural Inflation, Planck Scale Physics and Oscillating Primordial Spectrum

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In the ``natural inflation'' model, the inflaton potential is periodic. We show that Planck scale physics may induce corrections to the inflaton potential, which is also periodic with a greater frequency. Such high frequency corrections produce oscillating features in the primordial fluctuation power spectrum, which are not entirely excluded by the current observations and may be detectable in high precision data of cosmic microwave background (CMB) anisotropy and large scale structure (LSS) observations.
20 pages, 11 figures. To appear in Int J Mod. Phys. D

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Astrophysics, High Energy Physics - Phenomenology, High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/196570

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/astro-ph/0209242
 http://arxiv.org/abs/astro-ph/0209242
 Int.J.Mod.Phys.D14:1347,2005
 doi:10.1142/S0218271805006985

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arXiv