2008

Chain inflation and the imprint of fundamental physics in the CMBR

Chialva, Diego, Danielsson, Ulf H.

Understand

In this work we investigate characteristic modifications of the spectrum of cosmological perturbations and the spectral index due to chain inflation.

We find two types of effects.
First, modifications of the spectral index depending on interactions between radiation and the vacuum, and on features of the effective vacuum potential of the underlying fundamental theory.
Second, a modulation of the spectrum signalling new physics due to bubble nucleation.

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2008
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