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Physical Review D 69 (2004) 103519
Inflationary potentials yielding constant scalar perturbation spectral indices
A. Vallinotto1, 2, E.J. Copeland3, E.W. Kolb4, 5, A.R. Liddle6, D.A. Steer7, 8
(05/2004)

We explore the types of slow-roll inflationary potentials that result in scalar perturbations with a constant spectral index, i.e., perturbations that may be described by a single power-law spectrum over all observable scales. We devote particular attention to the type of potentials that result in the Harrison-Zel'dovich spectrum.
1 :  Physics Department
2 :  Dipartimento di Fisica
3 :  Department of Physics and Astronomy
4 :  Department of Astronomy and Astrophysics, Enrico Fermi Institute
5 :  Fermilab Astrophysics Center
6 :  Astronomy Centre
7 :  APC - UMR 7164 - AstroParticule et Cosmologie
8 :  LPT - Laboratoire de Physique Théorique d'Orsay [Orsay]
APC - THEORIE
Physique/Physique des Hautes Energies - Théorie
Particle-theory and field-theory models of the early Universe
Lien vers le texte intégral : 
http://fr.arXiv.org/abs/astro-ph/0311005