Free light fields can change the predictions of hybrid inflation
classification
✦ hep-ph
astro-ph.COhep-th
keywords
changefieldsfreehybridinflationlightpredictionsdiscriminate
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We show that the free light scalar fields that may exist in the inflationary Universe can change the predictions of the hybrid inflation model. Possible signatures are discussed, which can be used to discriminate the sources of the spectrum.
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