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The dark side of curvature
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| dc.contributor.author | Barenboim Szuchman, Gabriela Alejandra | |
| dc.contributor.author | Fernández Martínez, Enrique | |
| dc.contributor.author | Mena Requejo, Olga | |
| dc.contributor.author | Verde, Licia | |
| dc.date.accessioned | 2014-09-11T08:25:41Z | |
| dc.date.available | 2014-09-11T08:25:41Z | |
| dc.date.issued | 2010 | |
| dc.identifier.citation | Barenboim Szuchman, Gabriela Alejandra Fernández Martínez, Enrique Mena Requejo, Olga Verde, Licia 2010 The dark side of curvature Journal Of Cosmology And Astroparticle Physics 1003 8 | |
| dc.identifier.uri | http://hdl.handle.net/10550/37732 | |
| dc.description.abstract | Geometrical tests such as the combination of the Hubble parameter H(z) and the angular diameter distance d_A(z) can, in principle, break the degeneracy between the dark energy equation of state parameter w(z), and the spatial curvature Omega_k in a direct, model-independent way. In practice, constraints on these quantities achievable from realistic experiments, such as those to be provided by Baryon Acoustic Oscillation (BAO) galaxy surveys in combination with CMB data, can resolve the cosmic confusion between the dark energy equation of state parameter and curvature only statistically and within a parameterized model for w(z). Combining measurements of both H(z) and d_A(z) up to sufficiently high redshifts around z = 2 and employing a parameterization of the redshift evolution of the dark energy equation of state are the keys to resolve the w(z)-Omega_k degeneracy. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Journal Of Cosmology And Astroparticle Physics, 2010, vol. 1003, p. 8 | |
| dc.title | The dark side of curvature | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2014-09-11T08:25:41Z | |
| dc.identifier.doi | 10.1088/1475-7516/2010/03/008 | |
| dc.identifier.idgrec | 061869 | |
| dc.rights.accessRights | open access | es_ES |
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