Stewart-Lyth Inverse Problem

Details Stewart-Lyth Inverse Problem Stewart-Lyth Inverse Problem

2000-07-31

arxiv.org/abs/astro-ph/0007477v3

Phys.Rev. D62 (2000) 103513

Astronomy and Astrophysics

Astrophysics

16 pages, 11 figures, RevTeX; updated to match accepted version

Scientific paper

10.1103/PhysRevD.62.103513

In this paper the Stewart-Lyth inverse problem is introduced. It consists of solving two non-linear differential equations for the first slow-roll parameter and finding the inflaton potential. The equations are derived from the Stewart--Lyth equations for the scalar and tensorial perturbations produced during the inflationary period. The geometry of the phase planes transverse to the trajectories is analyzed, and conclusions about the possible behaviour for general solutions are drawn.

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