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Second order perturbations of flat dust FLRW universes with a cosmological constant

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We summarize recent results concerning the evolution of second order perturbations in flat dust irrotational FLRW models with Λ ≠ 0. We show that asymptotically these perturbations tend to constants in time, in agreement with the cosmic no-hair conjecture. We solve numerically the second order scalar perturbation equation, and very briefly discuss its all time behaviour and some possible implications for the structure formation
Original languageEnglish
Pages (from-to)4239
Number of pages1
JournalInternational Journal of Modern Physics A
Issue number29
Publication statusPublished - 2002


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