Bosonic dark matter halos: excited states and relaxation in the potential of the ground state

Jorge Vicens, Jordi Salvado, Jordi Miralda-Escudé

An ultra-light axion field with mass $\sim 10^{-22}\mathrm{eV}$, also known as wave or fuzzy dark matter, has been proposed as a component of the dark matter in the Universe. We stu…