Density reconstruction from biased tracers and its application to primordial non-Gaussianity

2020/07/16 by Omar Darwish, Simon Foreman, Muntazir M. Abidi +4 · 20 citations
Mathematics · Physics and Astronomy · #Anisotropy #Astrophysics #Bispectrum #COSMIC cancer database #Cosmic background radiation #Cosmic microwave background #Cosmic variance #Cosmological perturbation theory #Cosmology #Cosmology and Gravitation Theories #Estimator #Galaxies: Formation, Evolution, Phenomena #Galaxy #Mathematics #Non-Gaussianity #Optics #Physics #Radio Astronomy Observations and Technology #Redshift #Spectral density #Statistical physics #Statistics #astro-ph.CO

paper · pdf · open access · doi:10.1103/physrevd.104.123520

published in Physical review. D/Physical review. D. 104(12) (American Physical Society) · 30 pages plus 14 pages appendices, 19 figures

arxiv created 2020/07/16 · openalex publication_date 2021/12/14 · arxiv updated 2022/01/05 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

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.

Citations

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