期刊
PHYSICS LETTERS B
卷 510, 期 1-4, 页码 1-9出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0370-2693(01)00616-5
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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. (C) 2001 Elsevier Science B.V. All rights reserved.
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