On the tensor-to-scalar ratio in large single-field inflation models
classification
🌌 astro-ph.CO
hep-ph
keywords
inflationlargeratiosingle-fieldtensor-to-scalarboundedfavoredgenerically
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We show that generically the tensor-to-scalar ratio in large single-field inflation scenarios is bounded to be larger than $\mathcal{O}(10^{-3})$ for the spectral index in the range favored by observations.
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