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Future weak lensing constraints in a dark coupled universe

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Future weak lensing constraints in a dark coupled universe

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dc.contributor.author	De Bernardis, F.
dc.contributor.author	Martinelli, Matteo
dc.contributor.author	Melchiorri, Alessandro
dc.contributor.author	Mena Requejo, Olga
dc.contributor.author	Cooray, Asantha
dc.date.accessioned	2014-09-11T07:52:18Z
dc.date.available	2014-09-11T07:52:18Z
dc.date.issued	2011
dc.identifier.citation	De Bernardis, F. Martinelli, M. Melchiorri, A. Mena Requejo, Olga Cooray, A. 2011 Future weak lensing constraints in a dark coupled universe Physical Review D 84 2 023504
dc.identifier.uri	http://hdl.handle.net/10550/37719
dc.description.abstract	Probing the dark matter clustering and its evolution with weak lensing surveys constitutes a unique tool to constrain interacting dark energy models. We focus here on weak lensing forecasts from future Euclid and LSST-like surveys combined with the expected results from the ongoing Planck cosmic microwave background satellite experiment. We find that these future data could constrain the dimensionless coupling between dark matter and dark energy to be smaller than a few x 10(-2), improving the CMB-only constraint by at least 2 orders of magnitude. We also show that coupled cosmologies can substantially alter the constraints on cosmological parameters obtained from CMB experiments under the assumption of noninteracting cosmologies unless weak lensing data is considered.
dc.language.iso	eng
dc.relation.ispartof	Physical Review D, 2011, vol. 84, num. 2, p. 023504
dc.subject	Física
dc.title	Future weak lensing constraints in a dark coupled universe
dc.type	journal article	es_ES
dc.date.updated	2014-09-11T07:52:18Z
dc.identifier.doi	10.1103/PhysRevD.84.023504
dc.identifier.idgrec	097559
dc.rights.accessRights	open access	es_ES