Weak lensing signal in unified dark matter models

  title={Weak lensing signal in unified dark matter models},
  author={Stefano Camera and Daniele Bertacca and Antonaldo Diaferio and Nicola Bartolo and S. Matarrese},
Weak gravitational lensing is a powerful tool for studying both the geometry and the dynamics of the Universe. Its power spectrum contains information on the sources emitting photons and on the large–scale structures that these photons cross. We calculate the weak lensing cosmic convergence and shear power spectra, in linear theory and Limber’s approximation, for two different classes of cosmological models: the standard ΛCDM and Unified Dark Matter (UDM) models. The latter models attempt to… CONTINUE READING


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