Search Publications
Dark disk substructure and superfluid dark matter
Alexander, Stephon; Bramburger, Jason J.; McDonough, Evan
Dark matter substructure has the potential to discriminate between broad classes of dark matter models. With this in mind, we construct novel solutions to the equations of motion governing condensate dark matter candidates, namely axion Bose-Einstein condensates and superfluids. These solutions are highly compressed along one axis and thus have a …
Fine-structure constant constraints on late-time dark energy transitions
Martins, C. J. A. P.; Prat Colomer, M.
We use recent astrophysical and local tests of the stability of the fine-structure constant, α, to constrain a particular phenomenological but physically motivated class of models in which the dark energy equation of state can undergo a rapid transition at low redshifts, perhaps associated with the onset of the acceleration phase. We set constrain…