Dynamic properties of self-interacting Fuzzy Dark Matter soliton cores

<p dir="ltr">We investigate the effect of self-interactions on the shape and oscillations of the solitonic core profile of condensed fuzzy dark matter systems without the backdrop of a halo, revealing universal features in terms of an appropriately scaled interaction strength characterizing the crossover between the weakly- and strongly-interacting regimes. Our semi-analytical results are further confirmed by spherically symmetric simulations of the Gross-Pitaevskii-Poisson equations. Inverting our obtained relations, we highlight a degeneracy that could significantly affect constraints on the boson mass in the presence of repulsive boson self-interactions and propose the simultaneous extraction of static and dynamical solitonic features as a way to uniquely constrain both the boson mass and self-interactions.</p><p dir="ltr">The figure data in this dataset underpin the peer-reviewed paper 'Virialized Profiles and Oscillations of Self-interacting Fuzzy Dark Matter Solitons'. <a href=" https://doi.org/10.48550/arXiv.2312.14917" rel="noreferrer" target="_blank">View the preprint in arXiv</a>.</p>