From the Spectrum to Inflation : An Inverse Formula for the General Slow-Roll Spectrum

Details From the Spectrum to Inflation : An Inverse Formula for the General Slow-Roll Spectrum From the Spectrum to Inflation : An Inverse Formula for the General Slow-Roll Spectrum

2005-01-31

arxiv.org/abs/astro-ph/0501659v3

JCAP 0504 (2005) 012

Astronomy and Astrophysics

Astrophysics

8 pages, no figure ; References expanded

Scientific paper

10.1088/1475-7516/2005/04/012

We propose a general inverse formula for extracting inflationary parameters from the observed power spectrum of cosmological perturbations. Under the general slow-roll scheme, which helps to probe the properties of inflation in a model independent way, we invert the leading order, single field, power spectrum formula. We also give some physically interesting examples to demonstrate its wide applicability and illuminate its properties.

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