Consistency relation and inflaton field redefinition in the \(\delta N\) formalism

DOI10.1016/j.physletb.2017.04.014zbMath1370.83113arXiv1606.03343OpenAlexW2416701056MaRDI QIDQ2404700

Misao Sasaki, Jinn-Ouk Gong, Guillem Domènech

Publication date: 19 September 2017

Published in: Physics Letters. B (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1606.03343

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Observational and experimental questions in relativity and gravitational theory (83B05)

Related Items (5)

Bayes' theorem, inflation, and the Ekpyrotic universe ⋮ Single-field consistency relation and δ N-formalism ⋮ Degeneracy in the spectrum and bispectrum among featured inflaton potentials ⋮ Squeezed bispectrum in the δNformalism: local observer effect in field space ⋮ Resilience of long modes in cosmological observables

Cites Work

• A new parameter in attractor single-field inflation
• Inflation, Cosmic Perturbations and Non-Gaussianities
• Non-Gaussianity of quantum fields during inflation
• Perturbations in \(k\)-inflation

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