2000 character limit reached
Nonminimal coupling and inflationary attractors (1608.05922v2)
Published 21 Aug 2016 in gr-qc, astro-ph.CO, and hep-th
Abstract: We show explicitly how the T model, E model, and Hilltop inflations are obtained from the general scalar-tensor theory of gravity with arbitrary conformal factors in the strong coupling limit. We argue that $\xi$ attractors can give any observables $n_s$ and $r$ by this method. The existence of attractors imposes a challenge to distinguish different models.
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