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astro-ph2006★ 96 cited
Nongaussianity from Tachyonic Preheating in Hybrid Inflation
Neil Barnaby, James M. Cline
In a previous work we showed that large nongaussianities and nonscale-invariant distortions in the CMB power spectrum can be generated in hybrid inflation models, due to the contri…
astro-ph2006
Nongaussian and nonscale-invariant perturbations from tachyonic preheating in hybrid inflation
Neil Barnaby, James M. Cline
We show that in hybrid inflation it is possible to generate large second-order perturbations in the cosmic microwave background due to the instability of the tachyonic field during…