1.9k citations · 4k across the 80 of their papers we have counts for
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Can the CMB be Odd? Effect of a Parity-Violating Matter 4-Point Function on the Low- CMB Trispectrum
Zachary Slepian, Matthew Reinhard, Michael Bartlett
Here we explore from a theoretical perspective the sensitivity of the primary CMB anisotropy trispectrum to parity violation (PV) in large-scale structure (LSS). We focus on the Sa…
Analytical Template for the 4-Point Correlation Function Covariance Beyond the Gaussian Random Field : 1-Loop Corrections with Third-Order Densities
William Ortolá Leonard, Zachary Slepian
Analytical templates for the 4-Point Correlation Function (4PCF) covariance matrix have been developed in the past assuming a Gaussian Random Field (GRF). In this work, we present…
Analytical Template for the 4-Point Correlation Function Covariance Beyond the Gaussian Random Field : 1-Loop Corrections involving Second-Order Densities
William Ortolá Leonard, Zachary Slepian
Analytical templates for the covariance matrix of the 4-Point Correlation Function (4PCF) have been developed in the past assuming a Gaussian Random Field (GRF). In this work, we p…
Study of the Connected Four-Point Correlation Function of Galaxies from DESI Data Release 1 Luminous Red Galaxy Sample
J. Hou, R. N. Cahn, J. Aguilar +43
We present a measurement of the non-Gaussian four-point correlation function (4PCF) from the DESI DR1 Luminous Red Galaxy (LRG) sample. For the gravitationally induced parity-even…
Measurement of Parity-Violating Modes of the Dark Energy Spectroscopic Instrument (DESI) Year 1 Luminous Red Galaxies' 4-Point Correlation Function
Zachary Slepian, Alex Krolewski, Alessandro Greco +38
Here we report the first measurement of the parity-violating (PV) 4-Point Correlation Function (4PCF) of the Dark Energy Spectroscopic Instrument's Year 1 Luminous Red Galaxy (DESI…
Power Spectrum, Bispectrum, 2- and 3-Point Correlation Function, and Beyond
Zachary Slepian, Farshad Kamalinejad, Alessandro Greco
N-Point Correlation Functions, usually with N = 2, 3, and their Fourier-space analogs power spectrum and bispectrum, are major tools used in cosmology to capture the clustering of…
From Theory to Forecast: Neutrino Mass Effects on Mode-Coupling Kernels and Their Observational Implications
Farshad Kamalinejad, Zachary Slepian
We present an analytical expression that gives both the matter and tracer (halo or galaxy) power spectrum with 1-loop corrections that include the neutrino effects on the mode coup…
CMB Lensing Trispectrum as a Probe of Parity Violation in LSS
Alessandro Greco, Zachary Slepian, Jiamin Hou +1
We show that the Cosmic Microwave Background (CMB) lensing trispectrum is sensitive to parity violation in Large-Scale Structure (LSS). We obtain a compact expression for the reduc…
Analytic Model for Covariance Matrices of the 2-, 3-, and 4-Point Correlation Functions in the Gaussian Random Field Approximation
Jessica Chellino, Alessandro Greco, Simon May +1
Analyses of the galaxy N-Point Correlation Functions (NPCFs) have a large number of degrees of freedom, meaning one cannot directly estimate an invertible covariance matrix purely…