Halos of Unified Dark Matter Scalar Field

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dc.creatorBertacca, Daniele
dc.creatorBartolo, Nicola
dc.creatorMatarrese, Sabino
dc.date2007-12-04
dc.date2007-12-05
dc.date.accessioned2026-07-07T11:39:08Z
dc.date.available2026-07-07T11:39:08Z
dc.descriptionWe investigate the static and spherically symmetric solutions of Einstein's equations for a scalar field with non-canonical kinetic term, assumed to provide both the dark matter and dark energy components of the Universe. In particular, we give a prescription to obtain solutions (dark halos) whose rotation curve v_c(r) is in good agreement with observational data. We show that there exist suitable scalar field Lagrangians that allow to describe the cosmological background evolution and the static solutions with a single dark fluid.
dc.description19 pages LaTeX file; minor corrections made affecting Eqs.(52)-(56)
dc.identifierhttps://arxiv.org/abs/0712.0486
dc.identifierhttp://arxiv.org/abs/0712.0486
dc.identifierJCAP0805:005,2008
dc.identifierdoi:10.1088/1475-7516/2008/05/005
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/199808
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Theory
dc.titleHalos of Unified Dark Matter Scalar Field
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