Initial conditions problem in cosmological inflation revisited

Abstract

We present first results from a novel numerical relativity code based on a tetrad formulation of the Einstein-scalar field equations combined with recently introduced gauge/frame invariant diagnostics indicating that inflation does not solve the homogeneity and isotropy problem beginning from generic initial conditions following a big bang.

arXiv comment10 pages, 4 figures

References in corpus (5)

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• Supersmoothing through Slow Contraction
• Inhomogeneous initial conditions for inflation: A wibbly-wobbly timey-wimey path to salvation
• The Effects of Multiple Modes and Reduced Symmetry on the Rapidity and Robustness of Slow Contraction
• Numerical Relativity as a New Tool for Fundamental Cosmology

Cited by in corpus (11)

• Cosmic Inflation at the Crossroads
• On the initial singularity and extendibility of flat quasi-de Sitter spacetimes
• Cosmology using numerical relativity
• Robustness of inflation to kinetic inhomogeneities
• Gauge/frame invariant variables for the numerical relativity study of cosmological spacetimes
• Horizon, homogeneity and flatness problems -- do their resolutions really depend upon inflation?
• Is it possible to separate baryonic from dark matter within the $\Lambda$-CDM formalism?
• Probability of the Initial Conditions for Inflation and Slow Contraction
• Mixmaster Fluids Near the Big Bang
• Mori-Zwanzig formalism for early cosmic inflation
• Large Field Polynomial Inflation in Palatini $f(R,\varphi )$ Gravity