Second Order General Slow-Roll Power Spectrum

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

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High Energy Physics - Phenomenology, Astrophysics

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http://salesiana.dossiersoluciones.com/handle/123456789/197323

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/0405155
 http://arxiv.org/abs/hep-ph/0405155
 JCAP0407:012,2004
 doi:10.1088/1475-7516/2004/07/012

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arXiv