Perturbations of generic Kasner spacetimes and their stability

L. Kofman, J. Uzan, C. Pitrou

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Abstract

This article investigates the stability of a generic Kasner spacetime to linear perturbations, both at late and early times. It demonstrates that the perturbation of the Weyl tensor diverges at late time in all cases but in the particular one in which the Kasner spacetime is the product of a two-dimensional Milne spacetime and a two-dimensional Euclidean space. At early times, the perturbation of the Weyl tensor also diverges unless one imposes a condition on the perturbations so as to avoid the most divergent modes to be excited
Original languageEnglish
Pages (from-to)011
Number of pages1
JournalJournal of Cosmology and Astroparticle Physics
Volume2011
Issue number05
DOIs
Publication statusPublished - 10 May 2011

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