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| Paper IPM / P / 16762 |
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In earlier works, we had studied the validity of Extended Effective Field Theory of Inflation (EEFToI) in the regime where initial conditions are set with dispersion relations ω2 ∝ k6. We had also evaluated and examined the power spectrum for some interesting corners of the parameter space. In this paper we compute the bispectrum in the EEFToI, take a closer look at strong coupling constraints and calculate the size of the non-Gaussianities. We also investigate the shape of triangles that contribute to enhancement of non-Gaussianities in this regime. We find that there are allowed regions of parameter spaces where EEFToI description with initial conditions set with ω2 ∝ k6 is sensible and interesting.
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