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

DOI10.1088/1475-7516/2018/05/021OpenAlexW3102371668WikidataQ110865811 ScholiaQ110865811MaRDI QIDQ5023749

Jonathan White, Kazunori Kohri, Mindaugas Karčiauskas, Taro Mori

Publication date: 24 January 2022

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

Full work available at URL: https://arxiv.org/abs/1802.04195

zbMATH Keywords

inflationcosmological perturbation theory

Mathematics Subject Classification ID

Relativity and gravitational theory (83-XX)

Uses Software

• PyTransport

Cites Work

• The power spectrum for a multi-component inflaton to second-order corrections in the slow-roll expansion
• Multiple-field inflation and the CMB
• Quantifying the behaviour of curvature perturbations during inflation
• Non-Gaussianity in two-field inflation beyond the slow-roll approximation
• The Primordial Density Perturbation
• A general proof of the conservation of the curvature perturbation

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