Simulations find metal-richer compact stellar systems resist disruption better in ULDM halos, with tidal fields altering stability and heating strengthening at higher particle masses when system size is much smaller than the de Broglie wavelength, implying revisions to existing constraints.
Ultralight dark matter simulations and stellar dynamics: Tension in dwarf galaxies for m < 5 10-21 \, \, eV
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Evolution of Compact Stellar Systems in Ultralight Dark Matter Halos: Dependence on Stellar and Dark Matter Parameters
Simulations find metal-richer compact stellar systems resist disruption better in ULDM halos, with tidal fields altering stability and heating strengthening at higher particle masses when system size is much smaller than the de Broglie wavelength, implying revisions to existing constraints.