Spherically symmeteric dark energy structure in the context of Chaplygin gas model

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dc.creatorTekola, Abiy G.
dc.date2007-06-06
dc.date.accessioned2026-07-07T08:04:20Z
dc.date.available2026-07-07T08:04:20Z
dc.descriptionSpherically symmetric dark energy structures are investigated in the framework of a generalized Chaplygin gas (GCG), which has an equation of state of the form $P = - A/ρ^α} $. We also study these in a modified GCG equation of state, which includes a matter term, i.e. $P = σ^{2} ρ- A/ρ^α$. The results of the latter are then compared with some observational data on low-surface-brightness galaxies which are supposed to be dominated by dark matter.
dc.identifierhttps://arxiv.org/abs/0706.0804
dc.identifierhttp://arxiv.org/abs/0706.0804
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/129919
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleSpherically symmeteric dark energy structure in the context of Chaplygin gas model
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