Diversity of Fuzzy Dark Matter Solitons

Abstract: According to the Schr\"odinger-Poisson equations, fuzzy dark matter (FDM) can form a stable equilibrium configuration, the so-called FDM soliton. In principle, given the FDM particle mass, the profile of FDM soliton is fixed. In practice, however, there is a great diversity of structures in the Universe. In this paper, we enumerate some possible causes of such diversity, such as the effects of the gravitoelectric field, the gravitomagnetic field, an extra denser and compact FDM soliton and an ellipsoidal baryon background. And we find that the effects of the gravitomagnetic field are very weak but the effects of the others are considerable.