Remark on approximation in the calculation of the primordial spectrum generated during inflation - art. no. 087302

Authors
Huang, DH Lin, WB Zhang, XM
Citation
Dh. Huang et al., Remark on approximation in the calculation of the primordial spectrum generated during inflation - art. no. 087302, PHYS REV D, 6208(8), 2000, pp. 7302
Citations number
8
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW D
ISSN journal
05562821 → ACNP
Volume
6208
Issue
8
Year of publication
2000
Database
ISI
SICI code
0556-2821(20001015)6208:8<7302:ROAITC>2.0.ZU;2-8
Abstract
We reexamine approximations in the analytical calculation of the primordial spectrum of cosmological perturbation produced during inflation. Taking tw o inflation models (chaotic inflation and natural inflation) as examples, w e numerically verify the accuracy of these approximations.