The density perturbation power spectrum to second-order corrections in the slow-roll expansion

Ewan D. Stewart; Jin Ook Gong

doi:10.1016/S0370-2693(01)00616-5

The density perturbation power spectrum to second-order corrections in the slow-roll expansion

Ewan D. Stewart, Jin Ook Gong

Department of Science Education

Research output: Contribution to journal › Article › peer-review

151 Scopus citations

Abstract

We set up a formalism that can be used to calculate the power spectrum of the curvature perturbations produced during inflation up to arbitrary order in the slow-roll expansion, and explicitly calculate the power spectrum and spectral index up to second-order corrections.

Original language	English
Pages (from-to)	1-9
Number of pages	9
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	510
Issue number	1-4
DOIs	https://doi.org/10.1016/S0370-2693(01)00616-5
State	Published - 21 Jun 2001

Bibliographical note

Funding Information:
We thank Jai-chan Hwang for encouraging us to complete and publish this work, and Jai-chan Hwang, Kiwoon Choi and Pyungwon Ko for helpful comments. This work was supported in part by Brain Korea 21 and KRF grant 2000-015-DP0080.

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10.1016/S0370-2693(01)00616-5

Cite this

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abstract = "We set up a formalism that can be used to calculate the power spectrum of the curvature perturbations produced during inflation up to arbitrary order in the slow-roll expansion, and explicitly calculate the power spectrum and spectral index up to second-order corrections.",

author = "Stewart, {Ewan D.} and Gong, {Jin Ook}",

note = "Funding Information: We thank Jai-chan Hwang for encouraging us to complete and publish this work, and Jai-chan Hwang, Kiwoon Choi and Pyungwon Ko for helpful comments. This work was supported in part by Brain Korea 21 and KRF grant 2000-015-DP0080.",

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AU - Gong, Jin Ook

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IS - 1-4

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The density perturbation power spectrum to second-order corrections in the slow-roll expansion

Abstract

Bibliographical note

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