Capturing non-Gaussianity of the large-scale structure with weighted skew-spectra

DOI10.1088/1475-7516/2020/04/011zbMath1491.83060arXiv1911.05763OpenAlexW3015636173MaRDI QIDQ5068452

Azadeh Moradinezhad Dizgah, Hayden Lee, Cora Dvorkin, Marcel Schmittfull

Publication date: 6 April 2022

Published in: Journal of Cosmology and Astroparticle Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1911.05763

zbMATH Keywords

inflationnon-Gaussianityredshift surveyscosmological parameters from LSS

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Signal detection and filtering (aspects of stochastic processes) (60G35) Diffraction, scattering (78A45) Spectrum, resolvent (47A10) Electromagnetic fields in general relativity and gravitational theory (83C50) Galactic and stellar structure (85A15) Radiative transfer in astronomy and astrophysics (85A25) Cluster sets, prime ends, boundary behavior (30D40)

Related Items (8)

Cosmological angular trispectra and non-Gaussian covariance ⋮ What can we learn by combining the skew spectrum and the power spectrum? ⋮ Perturbative description of biased tracers using consistency relations of LSS ⋮ Skewing the CMB×LSS: a fast method for bispectrum analysis ⋮ Weak lensing trispectrum and Kurt-spectra ⋮ Galaxy skew-spectra in redshift-space ⋮ Towards cosmological constraints from the compressed modal bispectrum: a robust comparison of real-space bispectrum estimators ⋮ Primordial non-Gaussianity from biased tracers: likelihood analysis of real-space power spectrum and bispectrum

Cites Work

• Effective field theory approach to quasi-single field inflation and effects of heavy fields
• The cosmological bootstrap: inflationary correlators from symmetries and singularities
• Large-scale structure of the universe and cosmological perturbation theory
• Non-Gaussianity as a particle detector
• Partially massless fields during inflation
• Heavy-lifting of gauge theories by cosmic inflation
• Large-scale galaxy bias
• On the inflationary perturbations of massive higher-spin fields
• Cosmological perturbation theory using the FFTLog: formalism and connection to QFT loop integrals
• Light Particles with Spin in Inflation
• A remarkable identity involving Bessel functions

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