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Multi-field inflationary trajectories with a fast-turn feature

Tuesday 26th June 2012 - 15:15 to 15:30
INI Seminar Room 2
We study models of multi-field inflation in which the inflationary trajectory contains a strong bending occurring when the observable scales are still inside the Hubble radius. We discuss the impact of such a fast-tirn feature on the dynamics of the inflationary perturbations - and the traces such an event may leave in the power spectrum of curvature perturbations.
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Presentation Material: 
University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons