Optimal computation of anisotropic galaxy three point correlation function multipoles using 2DFFTLOG formalism

DOI10.1088/1475-7516/2021/05/035zbMath1485.83185arXiv2011.05889OpenAlexW3160742790MaRDI QIDQ5028129

Obinna Umeh

Publication date: 8 February 2022

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

Full work available at URL: https://arxiv.org/abs/2011.05889

zbMATH Keywords

power spectrumredshift surveyscosmological parameters from LSSbaryon acoustic oscillations

Mathematics Subject Classification ID

Measures of association (correlation, canonical correlation, etc.) (62H20) Relativistic cosmology (83F05) Nuclear physics (81V35) Oscillation, zeros of solutions, mean value theorems, etc. in context of PDEs (35B05) Hydro- and aero-acoustics (76Q05) Macroscopic interaction of the gravitational field with matter (hydrodynamics, etc.) (83C55) Kaluza-Klein and other higher-dimensional theories (83E15) Bessel and Airy functions, cylinder functions, ({}_0F_1) (33C10) Analysis of variance and covariance (ANOVA) (62J10) Mono-, di- and multipole moments (EM and other), gyromagnetic relations (81V60)

Related Items (4)

Bispectrum-window convolution via Hankel transform ⋮ Revisiting Vainshtein screening for fast N-body simulations ⋮ Weak lensing trispectrum and Kurt-spectra ⋮ The effect of finite halo size on the clustering of neutral hydrogen

Uses Software

• Unnamed Item
• mpmath
• SciPy
• NumPy
• NumSBT
• FAST-PT
• "2"D-FFTLog

Cites Work

• Unnamed Item
• NumSBT: a subroutine for calculating spherical Bessel transforms numerically
• Numerical Fourier and Bessel transforms in logarithmic variables
• Large-scale structure of the universe and cosmological perturbation theory
• Large-scale galaxy bias
• Observed galaxy number counts on the light cone up to second order: III. Magnification bias
• Cosmological perturbation theory using the FFTLog: formalism and connection to QFT loop integrals
• Erratum: Relativistic perturbations in ΛCDM: Eulerian & Lagrangian approaches
• FAST-PT II: an algorithm to calculate convolution integrals of general tensor quantities in cosmological perturbation theory
• Imprint of non-linear effects on HI intensity mapping on large scales
• Beyond Limber: efficient computation of angular power spectra for galaxy clustering and weak lensing
• Cosmological angular trispectra and non-Gaussian covariance
• General relativistic effects in the galaxy bias at second order
• Republication of: Relativistic cosmology

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