Eigenvalues of the Stewart-Lyth equation for inflation with a blue spectrum

Details Eigenvalues of the Stewart-Lyth equation for inflation with a blue spectrum Eigenvalues of the Stewart-Lyth equation for inflation with a blue spectrum

2000-06-24

arxiv.org/abs/astro-ph/0006348v1

Phys.Lett. B485 (2000) 231-238

Astronomy and Astrophysics

Astrophysics

10 pages, uses REVTeX, 6 postscript figures, accepted by PLB

Scientific paper

10.1016/S0370-2693(00)00689-4

By using the rather stringent nonlinear second order slow-roll approximation,
we reconsider the nonlinear second order Abel equation of Stewart and Lyth. We
determine a new blue eigenvalue spectrum. Some of the discrete values of the
spectral index $n_s$ have consistent fits to the cumulative COBE data as well
as to recent ground-base CMB experiments.

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