Impact and measurability of linear relativistic effects in galaxy surveys

arXiv:2607.06697 · astro-ph.CO · Submitted 2026-07-07 · Read on arXiv

Robin Y. Wen, Henry S. Grasshorn Gebhardt, Olivier Doré

astro-ph.CO

Submitted: 2026-07-07

Comments: 25+12 pages, 26 figures, 7 tables

Code: https://github.com/SPHEREx/Public-products

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Degeneracy — 37× in this paper · explained in 3 episodes
• Clustering — 29× in this paper · explained in 2 episodes
• Accuracy — 14× in this paper · explained in 1 episode
• Chebyshev Polynomials — 12× in this paper · explained in 2 episodes
• Bayesian Inference — 9× in this paper · explained in 5 episodes
• Velocity Dispersion — 6× in this paper · explained in 2 episodes
• Matter Power Spectrum — 4× in this paper · explained in 2 episodes
• Non-Gaussianity — 4× in this paper · explained in 2 episodes
• Primordial non-Gaussianity — 4× in this paper · explained in 2 episodes
• Consistency — 3× in this paper · explained in 3 episodes
• Abundance — 2× in this paper · explained in 1 episode
• Generalization — 2× in this paper · explained in 13 episodes
• Robustness — 2× in this paper · explained in 5 episodes
• Adaptive Metropolis-Hastings — 1× in this paper
• Dark Energy Spectroscopic Instrument — 1× in this paper
• Geometric Mismatch — 1× in this paper · explained in 2 episodes
• Physical Constraints — 1× in this paper · explained in 7 episodes

Sources

• DESI 2024 II: Sample Definitions, Characteristics, and Two-point Clustering Statistics
• Euclid. I. Overview of the Euclid mission
• The SPHEREx Satellite Mission
• Acoustic Signatures in the Primary Microwave Background Bispectrum
• Primordial Non-Gaussianities from Inflation Models
• The Effective Field Theory of Multifield Inflation
• Testing Inflation with Large Scale Structure: Connecting Hopes with Reality
• Non-Gaussian features of primordial fluctuations in single field inflationary models
• Single field consistency relation for the 3-point function
• The imprints of primordial non-gaussianities on large-scale structure: scale dependent bias and abundance of virialized objects
• Constraints on local primordial non-Gaussianity from large scale structure
• The effect of primordial non-Gaussianity on halo bias
• Linear Redshift Distortions: A Review
• New Perspective on Galaxy Clustering as a Cosmological Probe: General Relativistic Effects
• The linear power spectrum of observed source number counts
• What galaxy surveys really measure
• Large-scale clustering of galaxies in general relativity
• Wide-angle and relativistic effects in Fourier-space clustering statistics
• Large Scale Limit of the Observed Galaxy Power Spectrum
• Ultra large-scale cosmology in next-generation experiments with single tracers

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