Mathematics – Logic
Scientific paper
Jun 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1241..303s&link_type=abstract
INVISIBLE UNIVERSE: Proceedings of the Conference. AIP Conference Proceedings, Volume 1241, pp. 303-310 (2010).
Mathematics
Logic
Cosmology, Dark Matter, Gravitational Lenses, Redshift, Observational Cosmology, Dark Energy, Photography And Photometry, Distances, Redshifts, Radial Velocities, Spatial Distribution Of Galaxies
Scientific paper
Future cosmological surveys, combining galaxy counts and weak lensing measurements, will map the evolution of matter perturbations and gravitational potentials from the matter dominated epoch until today. In addition to tightening the constraints on allowed expansion histories, the combination of these measurements will test the relationships between matter overdensities, local curvature, and the Newtonian potential. These relationships can be modified in alternative theories of gravity and by exotic forms of dark energy. I will present the results by Zhao et al. [1] of an analysis on the potential of upcoming and future tomographic surveys, such as DES and LSST, with the aid of CMB and supernovae data, to detect departures from the growth of perturbations expected within General Relativity with a cosmological constant.
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