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A Lower Bound on the Mass of Compact Objects from Dissipative Dark Matter
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A Lower Bound on the Mass of Compact Objects from Dissipative Dark Matter
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We study the minimum mass of dark compact objects formed in dissipative dark-matter halos and show that the simple atomic-dark-matter model consistent with all current observations can create low-mass fragments that can evolve into compact objects forbidden by stellar astrophysics. We model the collapse of the dark halo's dense core by tracing the thermo-chemical evolution of a uniform-density volume element under two extreme assumptions for density evolution: hydrostatic equilibrium and pressure-free collapse. We then compute the opacity-limited minimum fragment mass from the minimum temperature achieved in these calculations.
Forward citations
Cited by 3 Pith papers
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