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    Modified Dark Matter in Galaxies and Galaxy Clusters

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    Downloads: 41
    Date
    2017-12
    Author
    Edmonds, Douglas
    Farrah, D.
    Minic, Djordje
    Ng, Y. J.
    Takeuchi, Tatsu
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    Abstract
    Modified Dark Matter (MDM) is a phenomenological model of dark matter, inspired by gravitational thermodynamics, that naturally accounts for the universal acceleration constant observed in galactic rotation curve data; a critical acceleration related to the cosmological constant, $\Lambda$, appears as a phenomenological manifestation of MDM. We show that the resulting mass profiles, which are sensitve to $\Lambda$, are consistent with observations at the galactic and galaxy cluster scales. Our results suggest that dark matter mass profiles contain information about the cosmological constant in a non-trivial way.
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    http://hdl.handle.net/10919/82164
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    • All Faculty Deposits [3559]
    • Scholarly Works, Center for Neutrino Physics [105]
    • Scholarly Works, Department of Physics [845]

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