Production and Backreaction of Fermions from Axion-$SU(2)$ Gauge Fields during Inflation

Leila Mirzagholi, Azadeh Maleknejad, Kaloian D. Lozanov

$SU(2)$ gauge fields and axions can have a stable, isotropic and homogeneous configuration during inflation. However, couplings to other matter species lead to particle production,…