Probing inflation with precision bispectra

DOI10.1088/1475-7516/2021/08/002zbMath1492.83088arXiv2012.08546OpenAlexW3187919121MaRDI QIDQ5070218

E. P. S. Shellard, Philip L. Clarke

Publication date: 11 April 2022

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

Full work available at URL: https://arxiv.org/abs/2012.08546

zbMATH Keywords

inflationnon-Gaussianity

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Geometrodynamics and the holographic principle (83E05) General theory of numerical methods in complex analysis (potential theory, etc.) (65E05) Set functions and measures and integrals in infinite-dimensional spaces (Wiener measure, Gaussian measure, etc.) (28C20) Series expansions (e.g., Taylor, Lidstone series, but not Fourier series) (41A58) Approximation procedures, weak fields in general relativity and gravitational theory (83C25) Mathematical modeling or simulation for problems pertaining to relativity and gravitational theory (83-10)

Uses Software

• PyTransport
• CppTransport
• BINGO

Cites Work

• The cosmological bootstrap: inflationary correlators from symmetries and singularities
• CppTransport
• On second-order superhorizon perturbations in multifield inflationary models
• THE FINITE FOURIER TRANSFORM OF CLASSICAL POLYNOMIALS
• Numerically evaluating the bispectrum in curved field-space— with PyTransport 2.0
• Primordial fluctuations and non-Gaussianities in sidetracked inflation
• How Gaussian can our Universe be?
• Efficient quadrature of highly oscillatory integrals using derivatives
• Perturbations in \(k\)-inflation
• BINGO
• Unnamed Item

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