Dark Matter Superfluidity

نویسندگان

چکیده

In these lectures I describe a theory of dark matter superfluidity developed in the last few years. The particles are axion-like, with masses order eV. They Bose-Einstein condense into superfluid phase central regions galaxy halos. phonon excitations turn couple to baryons and mediate long-range force (beyond Newtonian gravity). For suitable choice equation state, this reproduces various galactic scaling relations embodied Milgrom's law. Thus modified gravity phenomena represent different phases single underlying substance, unified through rich well-studied physics superfluidity.

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ژورنال

عنوان ژورنال: SciPost physics lecture notes

سال: 2022

ISSN: ['2590-1990']

DOI: https://doi.org/10.21468/scipostphyslectnotes.42