Is power-law inflation really attractive?

Abstract

It is argued that the order of the analytic expressions for the calculation of the primordial perturbations from inflation exerts a strong influence upon the results of the analysis of observables dynamics based on these expressions and, therefore, upon some predictions sometimes taken for granted as generic for the inflationary scenario.

Minor changes to match published version. Procs. of IV DGFM-SMF Workshop on Gravitation and Mathematical Physics, November 2001, Chapala, México. 3 pages, RevTex4

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