Toroidal halos in a nontopological soliton model of dark matter

Journal Article · Thu Feb 15 00:00:00 EST 2007 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.75.043504· OSTI ID:21011047

Mielke, Eckehard W; Perez, Jose A. Velez ^[1]

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1. Departamento de Fisica, Universidad Autonoma Metropolitana-Iztapalapa, Apartado Postal 55-534, C.P. 09340, Mexico, D.F. (Mexico)

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.

• OSTI ID: 21011047
• Journal Information: Physical Review. D, Particles Fields, Vol. 75, Issue 4; Other Information: DOI: 10.1103/PhysRevD.75.043504; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AXIONS
COSMIC PHOTONS
COSMOLOGY
DENSITY
GALAXIES
MATHEMATICAL SOLUTIONS
NONLINEAR PROBLEMS
NONLUMINOUS MATTER
QUANTUM FIELD THEORY
SCALARS
SOLITONS