Primordial Non-Gaussianities from Inflation Models

Figure 7

Numerical result (dashed line) for the bispectrum running for a sharp step (𝑐=0.0018,𝑑=0.022) along the 𝑘₁=𝑘₂=𝑘₃≡𝑘 direction, compared with the simple ansatz (137) (solid line).