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Advances in high-performance computing have enabled astronomers to simulate a variety of dark matter models beyond collisionless cold dark matter, in an effort to compare galaxy formation against observations and constrain the nature of dark matter and its parameters. In this talk, I will present simulations of what the Universe would look like if DM were an ultra-light 10^-22 eV boson, aka `fuzzy dark matter’ (FDM). I explore the interplay between baryonic physics and unique quantum mechanical wavelike features inherent to FDM. I describe the formation of first galaxies, which may be soon observable with the James Webb Space Telescope (JWST), and how these objects give constraints on the small-scale nature of dark matter. |
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