Nonlinear curvature perturbations in an exactly soluble model of multi-component slow-roll inflation

Abstract

Using the nonlinear $\delta N$ formalism, we consider a simple exactly soluble model of multi-component slow-roll inflation in which the nonlinear curvature perturbation can be evaluated analytically.

arXiv comment4 pages, no figure, typos corrected, references added, final version to be published in CQG

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Cited by in corpus (10)

• Review of local non-Gaussianity from multi-field inflation
• Non-Gaussianity beyond slow roll in multi-field inflation
• Large non-Gaussianity from multi-brid inflation
• On the Issue of the ζSeries Convergence and Loop Corrections in the Generation of Observable Primordial Non-Gaussianity in Slow-Roll Inflation. Part I: the Bispectrum
• Diagrammatic approach to non-Gaussianity from inflation
• Primordial non-Gaussianity from two curvaton decays
• On the Issue of the ζSeries Convergence and Loop Corrections in the Generation of Observable Primordial Non-Gaussianity in Slow-Roll Inflation. Part II: the Trispectrum
• Constraining $\mathcal{N}=1$ supergravity inflation with non-minimal Kähler operators using $\delta N$ formalism
• Separable and non-separable multi-field inflation and large non-Gaussianity
• Non-gaussianity and Statistical Anisotropy in Cosmological Inflationary Models