The Inflationary Perturbation Spectrum
Astrophysics
2009-11-07 v1 General Relativity and Quantum Cosmology
High Energy Physics - Phenomenology
Abstract
Motivated by the prospect of testing inflation from precision cosmic microwave background observations, we present analytic results for scalar and tensor perturbations in single-field inflation models based on the application of uniform approximations. This technique is systematically improvable, possesses controlled error bounds, and does not rely on assuming the slow-roll parameters to be constant. We provide closed-form expressions for the power spectra and the corresponding scalar and tensor spectral indices.
Cite
@article{arxiv.astro-ph/0208443,
title = {The Inflationary Perturbation Spectrum},
author = {Salman Habib and Katrin Heitmann and Gerard Jungman and Carmen Molina-Paris},
journal= {arXiv preprint arXiv:astro-ph/0208443},
year = {2009}
}
Comments
4 pages, 1 figure