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Cross-correlating the Microwave Sky with Galaxy Surveys
Pablo Fosalba, Enrique Gaztanaga, Francisco J. Castander
We present results for the cross-correlation between the WMAP 1st-year cosmic microwave background (CMB) anisotropy data and optical galaxy surveys: the APM and SDSS DR1 catalogs.…
Detection of the ISW and SZ effects from the CMB-Galaxy correlation
Pablo Fosalba, Enrique Gaztanaga, Francisco Castander
We present a cross-correlation analysis of the WMAP cosmic microwave background (CMB) temperature anisotropies and the SDSS galaxy density fluctuations. We find significant detecti…
Measurement of the gravitational potential evolution from the cross-correlation between WMAP and the APM Galaxy survey
Pablo Fosalba, Enrique Gaztanaga
Models with late time cosmic acceleration, such as the Lambda-dominated CDM model, predict a freeze out for the growth of linear gravitational potential at moderate redshift z<1, w…
An estimate of Ω_m without priors
Hume A. Feldman, Roman Juszkiewicz, Pedro Ferreira +10
Using mean relative peculiar velocity measurements for pairs of galaxies, we estimate the cosmological density parameter and the amplitude of density fluctuations . Our…
Large scale structure in non-standard cosmologies
T. Multamaki, E. Gaztanaga, M. Manera
We study the growth of large scale structure in two recently proposed non-standard cosmological models: the brane induced gravity model of Dvali, Gabadadze and Porrati (DGP) and th…