Realization of blue spectrum in generalized Galileon super-inflation models
Nozari, K. · Shafizadeh, S.
Original · EN
In the spirit of Galileon inflation and by considering some sorts of non-canonical kinetic terms in the action, we realize a stage of super-inflation leading to a blue-tilted tensor perturbation. We show also that addition of Galileon-like term to the action leads to avoidance of ghost instabilities in this setup.
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