Correlated scalar perturbations and gravitational waves from axion inflation
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DOI: 10.1088/1475-7516/2024/10/024
Abstract: The scalar and tensor fluctuations generated during inflation can be correlated, if arising from the same underlying mechanism. In this paper we investigate such correlation in the model of axion inflation, where the rolling inflaton… read more here.
Keywords: axion inflation; correlated scalar; gravitational waves; scalar perturbations ... See more keywords