Initial conditions problem in cosmological inflation revisited

DOI10.1016/j.physletb.2023.138028zbMath1529.83083arXiv2304.12150OpenAlexW4380853491MaRDI QIDQ6173400

Paul J. Steinhardt, Anna Ijjas, David Garfinkle

Publication date: 21 July 2023

Published in: Physics Letters. B (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2304.12150

zbMATH Keywords

initial conditions problemnumerical relativitycosmic inflation

Mathematics Subject Classification ID

Vector fields, frame fields in differential topology (57R25) Unified quantum theories (81V22) Geometrodynamics and the holographic principle (83E05) Lattice gravity, Regge calculus and other discrete methods in general relativity and gravitational theory (83C27) Einstein's equations (general structure, canonical formalism, Cauchy problems) (83C05) Yang-Mills and other gauge theories in mechanics of particles and systems (70S15) Propagation of singularities; initial value problems on manifolds (58J47)

Related Items (2)

On the initial singularity and extendibility of flat quasi-de Sitter spacetimes ⋮ Gauge/frame invariant variables for the numerical relativity study of cosmological spacetimes

Cites Work

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• Supersmoothing through slow contraction
• Ultralocality and slow contraction
• The effects of potential shape on inhomogeneous inflation
• Robustness of slow contraction to cosmic initial conditions
• Inflationary universe: A possible solution to the horizon and flatness problems

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