Toroidal halos in a nontopological soliton model of dark matter

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

Feb 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007phrvd..75d3504m&link_type=abstract

Physical Review D, vol. 75, Issue 4, id. 043504

Mathematics

Logic

4

Dark Matter, Tunneling, Josephson Effect, Bose-Einstein Condensates In Periodic Potentials, Solitons, Vortices, And Topological Excitations, Axions And Other Nambu-Goldstone Bosons

Scientific paper

Soliton type solutions of an axionlike scalar model with self-interaction are analyzed further as a toy model of dark matter halos. For a “nonlinear superposition” of round and flattened configurations we found ringlike substructures in the density profile similarly as has been inferred for our Galaxy from the observed excess of the diffuse component of cosmic gamma rays.

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