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Inhomogeneous Inflation: Numerical Evolution

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arxiv astro-ph/9306009 v1 pith:SZPLXVYH submitted 1993-06-15 astro-ph hep-ph

Inhomogeneous Inflation: Numerical Evolution

Hannu Kurki-Suonio , Pablo Laguna , Richard A. Matzner This is my paper
classification astro-ph hep-ph
keywords inhomogeneousevolutioncodeinflationnumericalbeenconstraintcosmologies
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We describe our 3-dimensional numerical relativity code for the evolution of inhomogeneous cosmologies. During the evolution the constraint equations are monitored but not solved. The code has been tested against perturbation theory with good results. We present some runs of inhomogeneous inflation with strongly inhomogeneous initial data.

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  1. Starting inflation in asymptotically flat spacetimes

    gr-qc 2026-07 conditional novelty 6.0

    In asymptotically flat spacetimes, a localized inflaton fluctuation requires a proper size of at least ~2.5 times the inflationary scale to successfully seed inflation, generalizing the Goldwirth-Piran result.