Understand
We point out that the theoretical predictions for the inflationary observables may be generically altered by the presence of fields which are heavier than the Hubble rate during inflation and whose dynamics is usually neglected.
- They introduce corrections which may be easily larger than both the second-order contributions in the slow-roll parameters and the accuracy expected in the forthcoming experiments.
Built on
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For a review, see D. H. Lyth and A. Riotto, Phys. Rept. 314
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Similar
W. H. Kinney, E. W. Kolb, A. Melchiorri and A. Riotto, Phys. Rev. D 74
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Cited alongside, same era.
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Cited alongside, same era.
See http://planck.esa.int/
Cited in the paper.
It is worth mentioning that there might be specific cases when the corrections to the spectral index cancel each other thus leaving the expression of the spectral index unchanged as a function of the number of e-folds N N . Taking into account the corrections appearing in Eqs. ( 7
Cited in the paper.
Then
M. Amarie, C. Hirata and U. Seljak, Phys. Rev. D 72
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Later among the works it cites.
D. N. Spergel et al
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Closest in time.
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