Gross-Pitaevskii-Poisson equations with a $\hat{I}¾R\ddot{I}{•}^4$ non-minimal coupling term

Bryan Cordero-Patino, Álvaro Duenas-Vidal, Jorge Segovia

In scenarios where the Peccei-Quinn symmetry breaks after inflation, small-scale axion inhomogeneities may gravitationally collapse into bound structures. The evolution of these sy…