Non-Gaussianity in two-field inflation beyond the slow-roll approximation

DOI10.1088/1475-7516/2017/05/019OpenAlexW3102563584MaRDI QIDQ5024290

Gabriel Jung, Bartjan van Tent

Publication date: 28 January 2022

Published in: Journal of Cosmology and Astroparticle Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1611.09233

zbMATH Keywords

inflationnon-Gaussianitycosmological perturbation theory

Mathematics Subject Classification ID

Relativity and gravitational theory (83-XX)

Related Items (1)

Slow-roll corrections in multi-field inflation: a separate universes approach

Uses Software

• PyTransport

Cites Work

• General formula for the running of local \(f_{\mathrm{NL}}\)
• A new type of isotropic cosmological models without singularity
• Features and new physical scales in primordial observables: Theory and observation
• Scalar perturbations during multiple-field slow-roll inflation
• Productive interactions: heavy particles and non-Gaussianity
• Squeezed bispectrum in the δNformalism: local observer effect in field space
• Inflationary universe: A possible solution to the horizon and flatness problems
• Generating the curvature perturbation at the end of inflation
• Generating the curvature perturbation without an inflaton

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