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Título

Future CMB cosmological constraints in a dark coupled universe

AutorMena, Olga ; Melchiorri, A.; López Honórez, Laura ; Martinelli, M.
Fecha de publicación15-may-2010
EditorAmerican Physical Society
CitaciónPhysical Review - Section D - Particles and Fields 81 (10): 103534 (2010)
ResumenCosmic microwave background satellite missions as the ongoing Planck experiment are expected to provide the strongest constraints on a wide set of cosmological parameters. Those constraints, however, could be weakened when the assumption of a cosmological constant as the dark energy component is removed. Here we show that it will indeed be the case when there exists a coupling among the dark energy and the dark matter fluids. In particular, the expected errors on key parameters as the cold dark matter density and the angular diameter distance at decoupling are significantly larger when a dark coupling is introduced. We show that it will be the case also for future satellite missions as EPIC, unless CMB lensing extraction is performed.
Versión del editorhttp://dx.doi.org/10.1103/PhysRevD.81.103534
URIhttp://hdl.handle.net/10261/26484
DOI10.1103/PhysRevD.81.103534
ISSN1550-7998
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