Reconstruction of the null-test for the matter density perturbations

作者: Savvas Nesseris , Domenico Sapone , Juan García-Bellido

DOI: 10.1103/PHYSREVD.91.023004

关键词: Statistical physicsDark energyPhysicsSigmaCosmologySupernovaObservational cosmologyCosmological constant

摘要: We systematically study the null-test for growth rate data first presented in [S. Nesseris and D. Sapone, arXiv:1409.3697] we reconstruct it using various combinations of sets, such as $f\sigma_8$ $H(z)$ or Type Ia supernovae (SnIa) data. perform reconstruction two different ways, either by directly binning fitting dark energy models. also examine how well can be reconstructed future creating mock catalogs based on cosmological constant model, a model with strong perturbations, $f(R)$ $f(G)$ models, large void LTB that exhibit evolution matter perturbations. find similar to an LSST-like survey, will able successfully discriminate between these cases at $5\sigma$ level.

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