Second Order General Slow-Roll Power Spectrum

Details Second Order General Slow-Roll Power Spectrum Second Order General Slow-Roll Power Spectrum

2004-05-17

arxiv.org/abs/hep-ph/0405155v3

JCAP0407:012,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 1 figure ; A typo in Eq. (38) is fixed ; References expanded and a note added

Scientific paper

10.1088/1475-7516/2004/07/012

Recent combined results from the Wilkinson Microwave Anisotropy Probe (WMAP) and Sloan Digital Sky Survey (SDSS) provide a remarkable set of data which requires more accurate and general investigation. Here we derive formulae for the power spectrum P(k) of the density perturbations produced during inflation in the general slow-roll approximation with second order corrections. Also, using the result, we derive the power spectrum in the standard slow-roll picture with previously unknown third order corrections.

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