Searching for signatures of inflationary massive fields in DESI Imaging data and Stage-V galaxy surveys

arXiv:2607.27175 · astro-ph.CO · Submitted 2026-07-29 · Read on arXiv

Walter Riquelme, Santiago Avila, Lucas Pinol, Hui Kong, Anna Porredon

astro-ph.CO

Submitted: 2026-07-29

Comments: 15 pages, 6 figures. Comments are welcome

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

Terminology

• Clustering — 26× in this paper · explained in 2 episodes
• Non-Gaussianity — 22× in this paper · explained in 2 episodes
• Primordial non-Gaussianity — 17× in this paper · explained in 2 episodes
• Degeneracy — 12× in this paper · explained in 3 episodes
• Bispectrum — 10× in this paper · explained in 3 episodes
• Wide-field Spectroscopic Telescope — 5× in this paper
• Large-Scale Structure — 4× in this paper
• Calibration — 3× in this paper · explained in 7 episodes
• Abundance — 2× in this paper · explained in 1 episode
• Dark Energy Spectroscopic Instrument — 2× in this paper
• Matter Power Spectrum — 2× in this paper · explained in 2 episodes
• Adam — 1× in this paper · explained in 2 episodes
• Aperture — 1× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Homogeneity — 1× in this paper · explained in 2 episodes
• Legacy Survey of Space and Time — 1× in this paper
• Redshift-Space Distortions (RSD) — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Weak Lensing — 1× in this paper · explained in 2 episodes

Sources

• Acoustic Signatures in the Primary Microwave Background Bispectrum
• Dominance of gauge artifact in the consistency relation for the primordial bispectrum
• The Observed Squeezed Limit of Cosmological Three-Point Functions
• 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
• Report of the Dark Energy Task Force
• The Clustering of Galaxies in SDSS-III DR9 Baryon Oscillation Spectroscopic Survey: Constraints on Primordial Non-Gaussianity
• Improved Primordial Non-Gaussianity Constraints from Measurements of Galaxy Clustering and the Integrated Sachs-Wolfe Effect
• Sloan Digital Sky Survey III Photometric Quasar Clustering: Probing the Initial Conditions of the Universe using the Largest Volume
• Constraints on primordial non-Gaussianity from 800,000 photometric quasars
• Redshift-weighted constraints on primordial non-Gaussianity from the clustering of the eBOSS DR14 quasars in Fourier space
• The clustering of galaxies in the completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Primordial non-Gaussianity in Fourier Space
• The DESI Experiment Part I: Science,Targeting, and Survey Design
• Overview of the DESI Legacy Imaging Surveys
• Local primordial non-Gaussianity from the large-scale clustering of photometric DESI luminous red galaxies
• Constraining primordial non-Gaussianity with DESI 2024 LRG and QSO samples
• Local primordial non-Gaussianity using cross-correlations of DESI tracers
• Constraining primordial non-Gaussianity from DESI DR1 quasars and Planck PR4 CMB Lensing
• Reanalyzing DESI DR1: 3. Constraints on Inflation from Galaxy Power Spectra & Bispectra

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