Milky Way radial and vertical dynamics are inconsistent with MOND and STVG but consistent with dark matter halos, disfavoring the former at high significance.
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Mutual information analysis of TNG50 simulations shows gravitational potential and total energy retain merger mass and infall time information longest, while radial velocity loses it within ~5 Gyr, with washout depending on radius, merger age, and mass.
Using the largest sample to date of TNG50 simulated galaxies plus a new phase-space scaling to match the local standard of rest, astrophysical uncertainties in dark matter direct detection limits are quantified at ~60% variation and shown to be comparable to or smaller than ton-scale detector syste
citing papers explorer
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Milky Way Dynamics Favor Dark Matter over Modified Gravity Models
Milky Way radial and vertical dynamics are inconsistent with MOND and STVG but consistent with dark matter halos, disfavoring the former at high significance.
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Galactic Amnesia: The Information Washout of the Milky Way Merger History
Mutual information analysis of TNG50 simulations shows gravitational potential and total energy retain merger mass and infall time information longest, while radial velocity loses it within ~5 Gyr, with washout depending on radius, merger age, and mass.
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Dark Matter Velocity Distributions for Direct Detection: Astrophysical Uncertainties are Smaller Than They Appear
Using the largest sample to date of TNG50 simulated galaxies plus a new phase-space scaling to match the local standard of rest, astrophysical uncertainties in dark matter direct detection limits are quantified at ~60% variation and shown to be comparable to or smaller than ton-scale detector syste