Friday, March 29, 2013

1303.7023 (Seishi Enomoto et al.)

Curvaton mechanism after multi-field inflation    [PDF]

Seishi Enomoto, Tomohiro Matsuda
The evolution of the curvature perturbation after multi-field inflation is studied in the light of the curvaton mechanism. Past numerical studies show that many-field inflation causes significant evolution of the curvature perturbation after inflation, which generates significant non-Gaussianity at the same time. We reveal the underlying mechanism of the evolution and show that the evolution is possible in a typical two-field inflation model.
View original: http://arxiv.org/abs/1303.7023

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