Constraints on Primordial Oscillatory Features from the Power Spectrum and Bispectrum of Redshift-Space Galaxy Clustering in DESI DR1

arXiv:2610.10530 · astro-ph.CO · Submitted 2026-10-07 · Read on arXiv

astro-ph.CO

Submitted: 2026-10-07

Updated: 2026-10-07

Code: https://github.com/sfschen/velocileptors

Terminology

• Bispectrum — 49× in this paper · explained in 3 episodes
• Clustering — 16× in this paper · explained in 2 episodes
• Non-Gaussianity — 5× in this paper · explained in 2 episodes
• Matter Power Spectrum — 4× in this paper · explained in 2 episodes
• Degeneracy — 3× in this paper · explained in 3 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Generalization — 1× in this paper · explained in 13 episodes
• N-body simulations — 1× in this paper · explained in 2 episodes
• Non-linear Coupling — 1× in this paper · explained in 2 episodes
• Primordial non-Gaussianity — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Velocity Dispersion — 1× in this paper · explained in 2 episodes

Sources

• Monodromy in the CMB: Gravity Waves and String Inflation
• Oscillations in the inflaton potential?
• Oscillations in the CMB from Axion Monodromy Inflation
• Resonant Non-Gaussianity
• Conformal Invariance and the Four Point Scalar Correlator in Slow-Roll Inflation
• Large non-Gaussianities with Intermediate Shapes from Quasi-Single Field Inflation
• Quasi-Single Field Inflation and Non-Gaussianities
• Primordial Non-Gaussianities from Inflation Models
• Scale-dependence of Non-Gaussianity in the Curvaton Model
• Features of heavy physics in the CMB power spectrum
• Signatures of Supersymmetry from the Early Universe
• Quasi-Single Field Inflation with Large Mass
• Effective field theory approach to quasi-single field inflation and effects of heavy fields
• On Soft Limits of Inflationary Correlation Functions
• Cosmological Collider Physics
• Non-Gaussianity as a Particle Detector
• On the Inflationary Perturbations of Massive Higher-Spin Fields
• Quasi Single Field Inflation in the non-perturbative regime
• Heavy-Lifting of Gauge Theories By Cosmic Inflation
• Light Particles with Spin in Inflation

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