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Suppression of the large scale curvature perturbation by interacting fluids

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 نشر من قبل Jani Sainio
 تاريخ النشر 2006
  مجال البحث فيزياء
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The large-scale dynamics of a two-fluid system with a time dependent interaction is studied analytically and numerically. We show how a rapid transition can significantly suppress the large-scale curvature perturbation and present approximative formulae for estimating the effect. By comparing to numerical results, we study the applicability of the approximation and find good agreement with exact calculations.



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