An update on adiabatic modes in cosmology and δN formalism

DOI10.1088/1475-7516/2023/06/002zbMath1528.83132arXiv2212.05112OpenAlexW4379383445MaRDI QIDQ6173855

Cristiano Germani, Unnamed Author, Diego Cruces

Publication date: 13 July 2023

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

Full work available at URL: https://arxiv.org/abs/2212.05112

zbMATH Keywords

inflationcosmological perturbation theory

Mathematics Subject Classification ID

Unified quantum theories (81V22) Relativistic cosmology (83F05) Geometrodynamics and the holographic principle (83E05) Classes of solutions; algebraically special solutions, metrics with symmetries for problems in general relativity and gravitational theory (83C20) Yang-Mills and other gauge theories in mechanics of particles and systems (70S15) Methods of global Riemannian geometry, including PDE methods; curvature restrictions (53C21) Approximation procedures, weak fields in general relativity and gravitational theory (83C25) Adiabatic invariants for problems in Hamiltonian and Lagrangian mechanics (70H11)

Cites Work

• Adiabaticity and gravity theory independent conservation laws for cosmological perturbations
• A new type of isotropic cosmological models without singularity
• Stochastic inflation beyond slow roll
• Physical Foundations of Cosmology
• Inflationary universe: A possible solution to the horizon and flatness problems
• A general proof of the conservation of the curvature perturbation
• Δ N formalism and conserved currents in cosmology

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