Measuring dark energy with the shear triplet statistics
arXiv:astro-ph/0702078 · doi:10.1111/j.1365-2966.2007.11600.x
Abstract
The shear triplet statistics is a geometric method to measure cosmological parameters with observations in the weak gravitational lensing regime towards massive haloes. Here, this proposal is considered to probe the dark energy equation of state and its time derivative in view of future wide-field galaxy surveys. A survey with a median redshift of nearly 0.7 and a total area of nearly 10000 square degrees would be pretty effective in determining the dark matter cosmological density and in putting useful constraints on the dark energy properties.
5 pages, 3 figures, accepted for publication in MNRAS
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