Solitonic axion condensates modeling dark matter halos

David Castañeda Valle, Eckehard W. Mielke

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

11 Citas (Scopus)

Resumen

Instead of fluid type dark matter (DM), axion-like scalar fields with a periodic self-interaction or some truncations of it are analyzed as a model of galaxy halos. It is probed if such cold Bose-Einstein type condensates could provide a viable soliton type interpretation of the DM 'bullets' observed by means of gravitational lensing in merging galaxy clusters. We study solitary waves for two self-interacting potentials in the relativistic Klein-Gordon equation, mainly in lower dimensions, and visualize the approximately shape-invariant collisions of two 'lump' type solitons.

Idioma originalInglés
Páginas (desde-hasta)245-260
Número de páginas16
PublicaciónAnnals of Physics
Volumen336
DOI
EstadoPublicada - sep. 2013
Publicado de forma externa

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