Fibre inflation and precision CMB data

Understand

Generic features of models of inflation obtained from string compactifications are the correlations between the model parameters and the postinflationary evolution of the universe.

• Thus, the postinflationary evolution depends on the inflationary model parameters and accurate inflationary predictions require that this be incorporated in the evolution of the primordial spectrum.
• The fibre inflation model is a promising model of inflation constructed in type IIB string theory.
• This model has two interesting features in its postinflationary evolution.