Flattened halos in a nontopological soliton model of dark matter

Details Flattened halos in a nontopological soliton model of dark matter Flattened halos in a nontopological soliton model of dark matter

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004phrvd..70l3509m&link_type=abstract

Physical Review D, vol. 70, Issue 12, id. 123509

Physics

4

Dark Matter, Galactic Halo

Scientific paper

Soliton type solutions of a scalar model with a Φ6 self-interaction are analyzed for their density profiles as toy model of dark matter halos. We construct exact solutions with nontrivial ellipticity due to angular momentum and propose a “nonlinear superposition” of round and flattened halos in order to improve the scaling relations and the correspondence of the predicted rotation curves to the empirical Burkert fit.

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