Gravitational leptogenesis in natural inflation
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DOI: 10.1088/1475-7516/2017/12/007
Abstract: We compute the gravitational leptogenesis generated from the parity-violating gravitational waves sourced by an abelian gauge field coupled to a pseudo-scalar inflation. We show that, once the CMB bound on the tensor-to-scalar ratio is enforced,… read more here.
Keywords: cosmology; leptogenesis natural; gravitational leptogenesis; inflation ... See more keywords