Multi-scale perturbation theory II: Solutions and leading-order bispectrum in the ΛCDM universe

DOI10.1088/1475-7516/2021/08/048zbMath1492.83122arXiv2104.04260OpenAlexW3165722561MaRDI QIDQ5070243

Timothy Clifton, Chris Clarkson, Christopher S. Gallagher

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/2104.04260

zbMATH Keywords

gravitypower spectrumnon-Gaussianitycosmological perturbation theory

Mathematics Subject Classification ID

Relativistic cosmology (83F05) General perturbation schemes for nonlinear problems in mechanics (70K60) Spectrum, resolvent (47A10) Gravitational energy and conservation laws; groups of motions (83C40) Perturbations in context of PDEs (35B20) Set functions and measures and integrals in infinite-dimensional spaces (Wiener measure, Gaussian measure, etc.) (28C20) Approximation procedures, weak fields in general relativity and gravitational theory (83C25)

Related Items (1)

Second-order dust perturbations of the non-flat FLRW model with the positive cosmological constant

Uses Software

• CLASS

Cites Work

• Analytic solutions for the \(\Lambda\)-FRW model
• Large-scale structure of the universe and cosmological perturbation theory
• Theory and Experiment in Gravitational Physics
• Multi-scale perturbation theory. Part I. Methodology and leading-order bispectrum corrections in the matter-dominated era

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