Numerical challenges for energy conservation in N -body simulations of collapsing self-interacting dark matter halos

Context. Dark matter (DM) halos can be subject to gravothermal collapse if the DM is not collisionless, but engaged in strong self-interactions instead. When the scattering is able to efficiently transfer heat from the centre to the outskirts, the central region of the halo collapses and reaches den...

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Bibliographic Details
Published inAstronomy and astrophysics (Berlin) Vol. 689; p. A300
Main Authors Fischer, Moritz S., Dolag, Klaus, Yu, Hai-Bo
Format Journal Article
LanguageEnglish
Published Germany EDP Sciences 20.09.2024
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