Density reconstruction from biased tracers and its application to primordial non-Gaussianity
Omar Darwish, Simon Foreman, Muntazir Abidi, Tobias Baldauf, Blake D. Sherwin, P. Daniel Meerburg
Abstract
The authors propose a method of constructing the large scale Fourier modes of the cosmic density field, which are very important in cosmology but can, for a variety of reasons be inaccessible, from the correlations they induce, owing to non linear growth among smaller scale modes.
Topics & Concepts
PhysicsCosmic microwave backgroundNon-GaussianityEstimatorCOSMIC cancer databaseGalaxyCosmic varianceCosmologyStatistical physicsBispectrumCosmic background radiationCosmological perturbation theoryAstrophysicsSpectral densityRedshiftAnisotropyOpticsStatisticsMathematicsGalaxies: Formation, Evolution, PhenomenaCosmology and Gravitation TheoriesRadio Astronomy Observations and Technology