Nonlinear Limit on Primeval Adiabatic Perturbations

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Abstract
The amplitude of adiabatic perturbations that might have existed in the early universe is limited by the nonlinear transfer of energy to high frequencies. For flat cosmological models, this limit, together with the effect of linear dissipation, yields a residual perturbation in the matter distribution comparable with the semiempirical estimate of what is needed to produce massive galaxies.

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