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    Cosmological Simulations of Multicomponent Cold Dark Matter

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    Medvedev_cosmo_simulations2014.pdf (450.1Kb)
    Issue Date
    2014-08-15
    Author
    Medvedev, Mikhail V.
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    The nature of dark matter is unknown. A number of dark matter candidates are quantum flavor-mixed particles but this property has never been accounted for in cosmology. Here we explore this possibility from the first principles via extensive N-body cosmological simulations and demonstrate that the two-component dark matter model agrees with observational data at all scales. Substantial reduction of substructure and flattening of density profiles in the centers of dark matter halos found in simulations can simultaneously resolve several outstanding puzzles of modern cosmology. The model shares the “why now?” fine-tuning caveat pertinent to all self-interacting models. Predictions for direct and indirect detection dark matter experiments are made.
    Description
    This is the published version. Copyright 2014 American Physical Society
    URI
    http://hdl.handle.net/1808/19325
    DOI
    https://doi.org/10.1103/PhysRevLett.113.071303
    Collections
    • Physics & Astronomy Scholarly Works [1713]
    Citation
    Medvedev, Mikhail V. "Cosmological Simulations of Multicomponent Cold Dark Matter." Phys. Rev. Lett. Physical Review Letters 113.7 (2014). http://dx.doi.org/10.1103/PhysRevLett.113.071303

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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