The imprint of f(R) gravity on weak gravitational lensing – II. Information content in cosmic shear statistics

Monthly Notices of the Royal Astronomical Society(2017)

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摘要
We investigate the information content of various cosmic shear statistics on the theory of gravity. Focusing on the Hu–Sawicki-type f(R) model, we perform a set of ray-tracing simulations and measure the convergence bispectrum, peak counts and Minkowski functionals. We first show that while the convergence power spectrum does have sensitivity to the current value of extra scalar degree of freedom ...
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gravitational lensing: weak,large-scale structure of Universe
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