Gravitational leptogenesis in natural inflation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Cosmology and Astroparticle Physics"
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
Strong dynamics and natural inflation
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review D"
DOI: 10.1103/physrevd.98.083504
Abstract: We continue our investigation of the 4d effective field theory for closed string axions in Type II compactifications with D-branes. The inclusion of St\"uckelberg couplings for the axions requires the presence of chiral fermions at… read more here.
Keywords: dynamics natural; natural inflation; inflation; strong dynamics ... See more keywords