Fuzzy cold dark matter: the wave properties of ultralight particles

Wayne Hu, Rennan Barkana, Andrei Gruzinov

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Cold dark matter (CDM) models predict cuspy dark matter halo profiles and an abundance of low mass halos. Although these models yield significant results, they require self-interactions wildly in excess of those expected for weekly interacting massive particles or axions. A solution is proposed, involving free particles only. The solution emphasizes that dark matter halos are stable on small scales for the same reason that the hydrogen atom is stable.

    Original languageEnglish (US)
    Pages (from-to)1158-1161
    Number of pages4
    JournalPhysical Review Letters
    Volume85
    Issue number6
    DOIs
    StatePublished - Aug 7 2000

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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