Analytic correlation of inflationary potential to power spectrum shape: limits of validity, and `no-go' for small field model analytics

DOI10.1088/1475-7516/2022/01/036zbMath1486.83158arXiv2110.10557OpenAlexW3205808652MaRDI QIDQ5863304

Ira Wolfson

Publication date: 11 March 2022

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

Full work available at URL: https://arxiv.org/abs/2110.10557

zbMATH Keywords

machine learningcosmological perturbation theoryCMBR theoryinflation and CMBR theory

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Geometrodynamics and the holographic principle (83E05) Quantum optics (81V80) Gravitational energy and conservation laws; groups of motions (83C40) Observational and experimental questions in relativity and gravitational theory (83B05) Perturbations in context of PDEs (35B20) Approximation procedures, weak fields in general relativity and gravitational theory (83C25)

Related Items (1)

Amplification of primordial perturbations from the rise or fall of the inflaton

Uses Software

• TensorFlow

Cites Work

• Infinite distances in field space and massless towers of states
• Non-singular bouncing cosmology with positive spatial curvature and flat scalar potential
• AdS and the swampland
• A new type of isotropic cosmological models without singularity
• An accurate bound on tensor-to-scalar ratio and the scale of inflation
• Lossless, scalable implicit likelihood inference for cosmological fields
• Lattice simulations of inflation
• The synergy between CMB spectral distortions and anisotropies
• Inflationary universe: A possible solution to the horizon and flatness problems
• Constraints on scalar and tensor spectra from N_eff
• The density perturbation power spectrum to second-order corrections in the slow-roll expansion

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