Remark on approximation in the calculation of the primordial spectrum generated during inflation
High Energy Physics - Phenomenology
2009-10-31 v1 Astrophysics
Abstract
We re-examine approximations in the analytical calculation of the primordial spectrum of cosmological perturbation produced during inflation. Taking two inflation models (chaotic inflation and natural inflation) as examples, we numerically verify the accuracy of these approximations.
Keywords
Cite
@article{arxiv.hep-ph/0007064,
title = {Remark on approximation in the calculation of the primordial spectrum generated during inflation},
author = {D. H. Huang and W. B. Lin and X. M. Zhang},
journal= {arXiv preprint arXiv:hep-ph/0007064},
year = {2009}
}
Comments
10 pages, 6 figures, to appear in PRD