2024-03-29T01:19:55Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/243332017-01-17T13:04:12Zcom_10261_61com_10261_4col_10261_314
DIGITAL.CSIC
author
Barenboim, Gabriela
author
Mena, Olga
author
Fernández-Martínez, Enrique
author
Verde, Licia
2010-05-14T10:52:49Z
2010-05-14T10:52:49Z
2010-03-03
Journal of Cosmology and Astroparticle Physics (3): 8 (2010)
1475-7516
http://hdl.handle.net/10261/24333
10.1088/1475-7516/2010/03/008
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 z similar to 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.
eng
openAccess
Dark energy experiments
Baryon acoustic-oscillations
Cosmological parameters from CMBR
The dark side of curvature
artículo
TGljZW5zZSBncmFudGVkIGJ5IEJpYmxpb3RlY2EgSUZJQyAoYmliaWZpY0BpZmljLnV2LmVzKSBvbiAyMDEwLTA1LTE0VDEwOjUyOjI4WiAoR01UKToKCkxpY2VuY2lhIENTSUMgCgpQYXJhIHF1ZSBlbCByZXBvc2l0b3JpbyBEaWdpdGFsLkNTSUMgcHVlZGEgYWxtYWNlbmFyIHkgZGlzdHJpYnVpciBlbCBvYmpldG8gZGlnaXRhbCBkZXBvc2l0YWRvLCAKZXMgbmVjZXNhcmlvIHF1ZSBsYSBwZXJzb25hIHF1ZSBoYWdhIGVsIGRlcMOzc2l0byBsZWEgeSBhY2VwdGUgbGFzIGNvbmRpY2lvbmVzIGVzdGFibGVjaWRhcyBlbiAKZXN0YSBsaWNlbmNpYTogCgpFbC9sb3MgYXV0b3IvZXMgbyBwb3NlZWRvci9lcyBkZWwgY29weXJpZ2h0IGRlbCB0cmFiYWpvIGRlcG9zaXRhZG8gbyBlbiBzdSBjYXNvIGxhIHBlcnNvbmEgCmRlbGVnYWRhIHBhcmEgaGFjZXJsbywgZ2FyYW50aXphIGFsIENTSUMgZWwgZGVyZWNobyBubyBleGNsdXNpdm8gcGFyYSBkaXN0cmlidWlyLCBhbG1hY2VuYXIgeSAKcHJlc2VydmFyIGVuIGZvcm1hdG8gZWxlY3Ryw7NuaWNvIGVsIG9iamV0byBkaWdpdGFsIGRlcG9zaXRhZG8uCgpFbCBkZXBvc2l0YW50ZSwgZW4gY2FzbyBkZSB1bmEgb2JyYSBjb24gbcOhcyBkZSB1biBhdXRvciwgZ2FyYW50aXphIHF1ZSBsbyBoYWNlIHJlc3BvbnNhYmxlbWVudGUgCmVuIG5vbWJyZSB5IGNvbiBjb25zZW50aW1pZW50byBkZSBsb3MgZGVtw6FzIGNvYXV0b3Jlcy4KCkRlY2xhcmEgcXVlIHNlIHRyYXRhIGRlIHVuIHRyYWJham8gb3JpZ2luYWwgeSBubyBlc3RhIHN1amV0byBhIHJlc3RyaWNjaW9uZXMgZGUgY29weXJpZ2h0IGNvbiAKdGVyY2Vyb3MgcGFyYSBwb2RlciBvdG9yZ2FyIGFsIENTSUMgbG9zIGRlcmVjaG9zIHJlcXVlcmlkb3MgZW4gZXN0YSBsaWNlbmNpYS4KClNpIGVsIHRyYWJham8gZGVwb3NpdGFkbyBjb250aWVuZSBtYXRlcmlhbCBkZWwgcXVlIGVsIGF1dG9yIG5vIHBvc2VlIGVsIGNvcHlyaWdodCwgZWwgYXV0b3IgCmRlY2xhcmEgcXVlIGhhIG9idGVuaWRvIGVsIHBlcm1pc28gbmVjZXNhcmlvIGRlbCBwcm9waWV0YXJpbyBkZWwgY29weXJpZ2h0IHBhcmEgZ2FyYW50aXphciBhbCAKQ1NJQyBsb3MgZGVyZWNob3MgZGVzY3JpdG9zIGVuIGVzdGEgbGljZW5jaWEsIHkgcXVlIGVsIHBvc2VlZG9yIGRlbCBjb3B5cmlnaHQgZXN0w6EgY2xhcmFtZW50ZSAKaWRlbnRpZmljYWRvIHkgcmVjb25vY2lkbyBlbiBlbCB0ZXh0byBvIGNvbnRlbmlkbyBkZWwgYXJjaGl2byBkZXBvc2l0YWRvLgoKRWwgYXV0b3IgYWNlcHRhIHF1ZSBlbCBDU0lDIHB1ZWRlLCBzaW4gcmVhbGl6YXIgY2FtYmlvcyBlbiBlbCBjb250ZW5pZG8sIGNvbnZlcnRpciBlbCB0cmFiYWpvIGEgCmN1YWxxdWllciBtZWRpbyBvIGZvcm1hdG8gY29uIG9iamV0aXZvcyBkZSBwcmVzZXJ2YWNpw7NuLgoKQXNpbWlzbW8gZWwgYXV0b3IgYWNlcHRhIHF1ZSBlbCBDU0lDIHB1ZWRlIGNvbnNlcnZhciBtw6FzIGRlIHVuYSBjb3BpYSBkZSBlc3RlIHRyYWJham8gcGFyYSBnYXJhbnRpemFyIApsYSBzZWd1cmlkYWQgeSBsYSBwcmVzZXJ2YWNpw7NuIGRlIGxvcyBhcmNoaXZvcy4KCkVsIENTSUMgcHJlc2VydmFyw6EgeSBkaWZ1bmRpcsOhIGVzdGUgdHJhYmFqby4gRW4gZWwgY2FzbyBkZSBxdWUgbm8gcHVlZGEgY29udGludWFyIG1hbnRlbmllbmRvIGVsIAphcmNoaXZvIGNvbW8gcGFydGUgZGVsIHJlcG9zaXRvcmlvIGluc3RpdHVjaW9uYWwgc2UgcmVzZXJ2YSBlbCBkZXJlY2hvIGRlIGRldm9sdmVyIGVsIGNvbnRlbmlkbyBhbCAKZGVwb3NpdGFudGUuIFNpIGVzdG8gbm8gZXMgcG9zaWJsZSAocG9ycXVlIGxhIGNvbXVuaWRhZCwgY29sZWNjacOzbiBldGMuIHlhIG5vIGV4aXN0YSBvIGVsIGF1dG9yIG5vIAplc3TDqSBsb2NhbGl6YWJsZSksIGVsIG1hdGVyaWFsIHBvZHLDrWEgc2VyIGFyY2hpdmFkbyBjb21vIHBhcnRlIGRlbCBhcmNoaXZvIGRpZ2l0YWwgZGUgbGEgaW5zdGl0dWNpw7NuLiAKClNpIGxhIGNvbnRyaWJ1Y2nDs24gc2UgYmFzYSBlbiB0cmFiYWpvcyBmaW5hbmNpYWRvcyBvIHBhdHJvY2luYWRvcyBwb3Igb3JnYW5pemFjaW9uZXMgZGlzdGludGFzIGFsIApDU0lDLCBkZWNsYXJhIGhhYmVyIGN1bXBsaWRvIGNvbiBjdWFscXVpZXIgZGVyZWNobyB5IG9ibGlnYWNpw7NuIGV4cHJlc2Fkb3MgZW4gZWwgY29udHJhdG8gbyBhY3VlcmRvIApjb24gZGljaGFzIG9yZ2FuaXphY2lvbmVzLiAKCkVsIG5vbWJyZSBkZWwgZGVwb3NpdGFudGUgcXVlZGFyw6EgY2xhcmFtZW50ZSBpZGVudGlmaWNhZG8gcG9yIGVsIENTSUMgY29tbyBlbCBkZWwgYXV0b3IgbyBwcm9waWV0YXJpbyAKZGUgbGEgY29udHJpYnVjacOzbiwgeSBlbCBDU0lDIG5vIHJlYWxpemFyw6EgbmluZ3VuYSBhbHRlcmFjacOzbiBkZSBzdSBjb250cmlidWNpw7NuLCBleGNlcHRvIGxhcyByZWZlcmlkYXMgCmFsIGZvcm1hdG8sIHBlcm1pdGlkYXMgcG9yIGVzdGEgbGljZW5jaWEuCg==
URL
https://digital.csic.es/bitstream/10261/24333/1/dark%20side.pdf
File
MD5
c0cc5c2f95cb75a21957b843862e5ccd
408143
application/pdf
dark side.pdf
URL
https://digital.csic.es/bitstream/10261/24333/4/dark%20side.pdf.txt
File
MD5
9665c6858d2399a9143adb665e22ba6d
47175
text/plain
dark side.pdf.txt