The imprints of primordial non-gaussianities on large-scale structure: scale dependent bias and abundance of virialized objects

Abstract

We study the effect of primordial nongaussianity on large-scale structure, focusing upon the most massive virialized objects. Using analytic arguments and N-body simulations, we calculate the mass function and clustering of dark matter halos across a range of redshifts and levels of nongaussianity. We propose a simple fitting function for the mass function valid across the entire range of our simulations. We find pronounced effects of nongaussianity on the clustering of dark matter halos, leading to strongly scale-dependent bias. This suggests that the large-scale clustering of rare objects may provide a sensitive probe of primordial nongaussianity. We very roughly estimate that upcoming surveys can constrain nongaussianity at the level |fNL| <~ 10, competitive with forecasted constraints from the microwave background.

16 pages, color figures, revtex4. v2: added references and an equation. submitted to PRD. v3: simplified derivation, additional references

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• The next non-Gaussianity frontier: what can a measurement with $\sigma (f_{\mathrm{NL}})\lesssim 1$ tell us about multifield inflation?
• The effects of primordial non-Gaussianity on the cosmological reionization
• Self-Calibrated Cluster Counts as a Probe of Primordial Non-Gaussianity
• The Power of Locality: Primordial Non-Gaussianity at the Map Level
• One- and Two-point Source Statistics from the LOFAR Two-metre Sky Survey First Data Release
• What Can We Learn by Combining the Skew Spectrum and the Power Spectrum?
• The squeezed limit of the bispectrum in multi-field inflation
• The Gigaparsec WiggleZ Simulations: Characterising scale dependant bias and associated systematics in growth of structure measurements
• Search for primordial non-Gaussianity in the quasars of SDSS-III BOSS DR9
• Constraints on anisotropic primordial non-Gaussianity from intrinsic alignments of SDSS-III BOSS galaxies
• Induced superhorizon tensor perturbations from anisotropic non-Gaussianity
• Conditional Probabilities in the Excursion Set Theory. Generic Barriers and non-Gaussian Initial Conditions
• Manyfield Inflation in Random Potentials
• Minimizing gravitational lensing contributions to the primordial bispectrum covariance
• Cosmic variance in inflation with two light scalars
• Large Scale Anisotropic Bias from Primordial non-Gaussianity
• Responses of Halo Occupation Distributions: a new ingredient in the halo model & the impact on galaxy bias
• SuperFaB: a fabulous code for Spherical Fourier-Bessel decomposition
• Cosmological Constraints with Clustering-Based Redshifts
• Khronon inflation
• Computation of the Halo Mass Function Using Physical Collapse Parameters: Application to Non-Standard Cosmologies
• Testing General Relativity on cosmological scales at redshift z ~ 1.5 with quasar and CMB lensing
• Probing Cosmic Origins with CO and [CII] Emission Lines
• A relativistic signature in large-scale structure
• Primordial non-Gaussianity with $\mu$-type and $y$-type spectral distortions: exploiting Cosmic Microwave Background polarization and dealing with secondary sources
• HInet: Generating neutral hydrogen from dark matter with neural networks
• Weighing neutrinos with the halo environment
• Primordial non-Gaussianity in the bispectra of large-scale structure
• Primordial Non-Gaussianity Estimation using 21 cm Tomography from the Epoch of Reionization
• Isocurvature Perturbations and Non-Gaussianity of Gravitationally Produced Nonthermal Dark Matter
• SHAM through the lens of a hydrodynamical simulation
• Constraining Scale-Dependent Non-Gaussianity with Future Large-Scale Structure and the CMB
• Quijote-PNG: Quasi-maximum likelihood estimation of Primordial Non-Gaussianity in the non-linear dark matter density field
• Coupling parsec and gigaparsec scales: primordial non-Gaussianity with multi-tracer intensity mapping
• Local primordial non-Gaussianity in the relativistic galaxy bispectrum
• Inhomogeneous non-Gaussianity
• CMB B-mode non-Gaussianity: optimal bispectrum estimator and Fisher forecasts
• Response approach to the squeezed-limit bispectrum: application to the correlation of quasar and Lyman-$\alpha$ forest power spectrum
• The angular two-point correlation of NVSS galaxies revisited
• Probing primordial non-Gaussianity with the power spectrum and bispectrum of future 21cm intensity maps
• Non-Gaussianity from Self-Ordering Scalar Fields
• Large Scale Limit of the Observed Galaxy Power Spectrum
• Non-Gaussianities from the Standard Model Higgs
• Light Fields during Inflation from BOSS and Future Galaxy Surveys
• X-ray Cluster Constraints on Non-Gaussianity
• A numerical study of the effects of primordial non-Gaussianities on weak lensing statistics
• Primordial non-Gaussianity and non-Gaussian Covariance
• The Effect of Local non-Gaussianity on the Matter Bispectrum at Small Scales
• Fisher Forecasts for Primordial non-Gaussianity from Persistent Homology
• General relativistic corrections and non-Gaussianity in large scale structure
• Kinetic Sunyaev-Zel'dovich tomography with line-intensity mapping
• The WiggleZ Dark Energy Survey: Probing the Epoch of Radiation Domination using Large Scale Structure
• Unbiased Cosmological Parameter Estimation from Emission Line Surveys with Interlopers
• Imprints of primordial non-Gaussianities in X-ray and SZ signals from galaxy clusters
• Density-dependent clustering: I. Pulling back the curtains on motions of the BAO peak
• Cosmic Infrared Background anisotropies as a window into primordial non-Gaussianity
• Primordial trispectrum from kSZ tomography
• Multi-tracer power spectra and bispectra: Formalism
• PNG-UNITsims: Halo clustering response to primordial non-Gaussianities as a function of mass
• Constraints on Primordial non-Gaussianity from Future HI Intensity Mapping Experiments
• Constraining primordial non-Gaussianity by combining next-generation galaxy and 21 cm intensity mapping surveys
• Taming assembly bias for primordial non-Gaussianity
• The consistency condition for the three-point function in dissipative single-clock inflation
• The PDF perspective on the tracer-matter connection: Lagrangian bias and non-Poissonian shot noise
• Correlating CMB Spectral Distortions with Temperature: what do we learn on Inflation?
• Cosmological Inference from Galaxy-Clustering Power Spectrum: Gaussianization and Covariance Decomposition
• New Shapes of Primordial Non-Gaussianity from Quasi-Single Field Inflation with Multiple Isocurvatons
• Relativistic cosmological large scale structures at one-loop
• On the Equivalence of Barrier Crossing, Peak-Background Split, and Local Biasing
• Anatomy of bispectra in general single-field inflation -- modal expansions
• Optimization of spectroscopic surveys for testing non-Gaussianity
• Primordial Non-Gaussianity and Reionization
• Cosmological parameter inference from galaxy clustering: The effect of the posterior distribution of the power spectrum
• Constraints on general primordial non-Gaussianity using wavelets for the Wilkinson Microwave anisotropy probe 7-year data
• Detectability of large-scale power suppression in the galaxy distribution
• Divergence of Perturbation Theory in Large Scale Structures
• Non-Gaussianity and Excursion Set Theory: Halo Bias
• Density reconstruction from biased tracers and its application to primordial non-Gaussianity
• Lifting Primordial Non-Gaussianity Above the Noise
• Second-order gauge-invariant formalism for the cosmological observables: Complete verification of their gauge-invariance
• The Separate Universe Approach to Soft Limits
• Screening in perturbative approaches to LSS
• Measuring gravitational lensing of the cosmic microwave background using cross correlation with large scale structure
• Probing $\Lambda$CDM cosmology with the Evolutionary Map of the Universe survey
• Towards detection of relativistic effects in galaxy number counts using kSZ Tomography
• Beyond $\Lambda$CDM with HI intensity mapping: robustness of cosmological constraints in the presence of astrophysics
• Characterizing unknown systematics in large scale structure surveys
• Impacts of biasing schemes in the one-loop integrated perturbation theory
• The scale-dependent signature of primordial non-Gaussianity in the large-scale structure of cosmic reionization
• Main Sequence Scatter is Real: The Joint Dependence of Galaxy Clustering on Star Formation and Stellar Mass
• Oscillating Bispectra and Galaxy Clustering: A Novel Probe of Inflationary Physics with Large-Scale Structure
• Probing the Early Universe with the CMB Scalar, Vector and Tensor Bispectrum
• Ultra-large-scale approximations and galaxy clustering: debiasing constraints on cosmological parameters
• Non-Gaussian halo abundances in the excursion set approach with correlated steps
• The 21cm radiation from minihalos as a probe of small primordial non-Gaussianity
• The local PNG bias of neutral Hydrogen, ${\mathrm{H}}_{\mathrm{I}}$
• Local Primordial Non-Gaussianities and Super-Sample Variance
• The Probability Distribution for Non-Gaussianity Estimators
• Cosmological parameter forecasts by a joint 2D tomographic approach to CMB and galaxy clustering
• General relativistic effects in the galaxy bias at second order
• A brief review on cosmological analysis of galaxy surveys with multiple tracers
• Halo-Galaxy Lensing: A Full Sky Approach
• Primordial Power Spectrum features and $f_{NL}$ constraints
• The Poisson equation at second order in relativistic cosmology
• Probing Primordial Non-Gaussianity with Weak Lensing Minkowski Functionals
• Enhanced local-type inflationary trispectrum from a non-vacuum initial state
• Effective Theory of Squeezed Correlation Functions
• Constraints on a scale-dependent bias from galaxy clustering
• Redshift Space Distortion of 21cm line at 1<z<5 with Cosmological Hydrodynamic Simulations
• Biases on cosmological parameters by general relativity effects
• Testing Multi-Field Inflation with Galaxy Bias
• Halo statistics in non-Gaussian cosmologies: the collapsed fraction, conditional mass function, and halo bias from the path-integral excursion set method
• Large-scale Velocities and Primordial Non-Gaussianity
• Volume Statistics as a Probe of Large-Scale Structure
• Scale-dependent bias from multiple-field inflation
• Halo/Galaxy Bispectrum with Primordial non-Gaussianity from integrated Perturbation Theory (iPT)
• Generic inference of inflation models by non-Gaussianity and primordial power spectrum reconstruction
• Hybrid-basis inference for large-scale galaxy clustering: combining spherical and Cartesian Fourier analyses
• The nonlinear probability distribution function in models with local primordial non-Gaussianity
• Can we really measure fnl from the galaxy power spectrum?
• Primordial Non-Gaussianity and the Statistics of Weak Lensing and other Projected Density Fields
• Modeling assembly bias with machine learning and symbolic regression
• The impact of systematic uncertainties in N-body simulations on the precision cosmology from galaxy clustering: a halo model approach
• Constraining Primordial Non-Gaussianity with Moments of the Large Scale Density Field
• Quijote-PNG: The Information Content of the Halo Mass Function
• Probing primordial non-Gaussianity with 21 cm fluctuations from minihalos
• Halo assembly bias from a deep learning model of halo formation
• Measurement of Void Bias Using Separate Universe Simulations
• Estimates for the impact of Ultraviolet Background fluctuations on galaxy clustering measurements
• A multitracer analysis for the eBOSS galaxy sample based on the effective field theory of large-scale structure
• Probing higher-order primordial non-Gaussianity with galaxy surveys
• The effects of primordial non-Gaussianity on giant-arc statistics
• Using galaxy pairs to investigate the three-point correlation function in the squeezed limit
• Compensated Isocurvature Perturbations in the Galaxy Power Spectrum
• The Extreme Tail of the Non-Gaussian Mass Function
• Imprint of non-linear effects on HI intensity mapping on large scales
• The probability distribution for non-Gaussianity estimators constructed from the CMB trispectrum
• Observing relativistic features in large-scale structure surveys -- I: Multipoles of the power spectrum
• Application of cross correlations between CMB and large scale structure to constraints on the primordial non-Gaussianity
• On the optimality of the spherical Mexican hat wavelet estimator for the primordial non-Gaussianity
• Geometric and dynamic distortions in anisotropic galaxy clustering
• Probing the primordial Universe with 21-cm line from cosmic dawn/epoch of reionization
• Measuring the Energy Scale of Inflation with Large Scale Structures
• Robust Neural Network-Enhanced Estimation of Local Primordial Non-Gaussianity
• Constraining primordial non-Gaussianity with CMB-21cm cross-correlations?
• Probing a panoply of curvaton-decay scenarios using CMB data
• Cosmology with the thermal-kinetic Sunyaev-Zel'dovich effect
• Analysis method for 3D power spectrum of projected tensor field with fast estimator and window convolution modelling: an application to intrinsic alignments
• Measuring ultra-large scale effects in the presence of 21cm intensity mapping foregrounds
• Non-Gaussian CMB and LSS statistics beyond polyspectra
• LiteBIRD Science Goals and Forecasts: A full-sky measurement of gravitational lensing of the CMB
• Primordial tensor bispectra in $\mu$-CMB cross-correlations
• Inflation and Dark Energy from spectroscopy at $z>2$
• Integrated perturbation theory for cosmological tensor fields. I. Basic formulation
• Cosmology with the Square Kilometre Array by SKA-Japan
• Non-Gaussian Shape Recognition
• Independent constraints on local non-Gaussianity from the peculiar velocity and density fields
• Antisymmetric galaxy cross-correlations as a cosmological probe
• Joint analyses of 2D CMB lensing and 3D galaxy clustering in the spherical Fourier-Bessel basis
• Non-Gaussian Shape Discrimination with Spectroscopic Galaxy Surveys
• Exploring the effects of primordial non-Gaussianity at galactic scales
• Likelihood of the Power Spectrum in Cosmological Parameter Estimation
• Consistency relations for large scale structures with primordial non-Gaussianities
• Stochastic inflation and primordial black holes
• Exact Analytic Solution for Non-Linear Density Fluctuation in a LCDM Universe
• Non-Gaussian signatures of general inflationary trajectories
• Evolution of Non-linear Fluctuations in Preheating after Inflation
• Cosmology from HI galaxy surveys with the SKA
• Cosmological Fisher forecasts for next-generation spectroscopic surveys
• Constraining higher-order parameters for primordial non-Gaussianities from power spectra and bispectra of imaging survey
• New Horizons in Cosmology with Spectral Distortions of the Cosmic Microwave Background
• Shot noise in multi-tracer constraints on $f_{\text{NL}}$ and relativistic projections: Power Spectrum
• Non-Gaussian Halo Bias Beyond the Squeezed Limit
• The 21cm Power Spectrum and the Shapes of Non-Gaussianity
• Statistics of a single sky: constrained random fields and the imprint of Bardeen potentials on galaxy clustering
• Scale Dependence of the Halo Bias in General Local-Type Non-Gaussian Models I: Analytical Predictions and Consistency Relations
• Scale-dependent bias from the primordial non-Gaussianity with a Gaussian-squared field
• Quantifying the redshift space distortion of the bispectrum III : Detection prospects of the multipole moments
• Quijote-PNG: Quasi-maximum likelihood estimation of Primordial Non-Gaussianity in the non-linear halo density field
• The full-sky Spherical Fourier-Bessel power spectrum in general relativity
• Constraints on primordial non-Gaussianity from the cross-correlation of DESI Luminous Red Galaxies and $Planck$ CMB lensing
• The pairwise velocity probability density function in models with local primordial non-Gaussianity
• Constraints on primordial non-Gaussianity from WMAP7 and Luminous Red Galaxies power spectrum and forecast for future surveys
• Halo Counts-in-cells for Cosmological Models with Different Dark Energy
• Fingerprints of Anomalous Primordial Universe on the Abundance of Large Scale Structures
• Non-local bispectra from super cosmic variance
• Imprint of primordial non-Gaussianity on dark matter halo profiles
• The Renormalization Group for Large-Scale Structure: Primordial non-Gaussianities
• Constraining primordial and gravitational mode coupling with the position-dependent bispectrum of the large-scale structure
• The nonlinear redshift space probability distribution function in models with local primordial non-Gaussianity
• Constraints on Running of Non-Gaussianity from Large Scale Structure Probes
• A blind method to recover the mask of a deep galaxy survey
• The galaxy bias at second order in general relativity with Non-Gaussian initial conditions
• Primordial non-Gaussianity with Angular correlation function: Integral constraint and validation for DES
• The effects of peculiar velocities on the morphological properties of large-scale structure
• Scale-dependent Bias from the Reconstruction of Non-Gaussian Distributions
• Supergravity, $\alpha$-attractors and primordial non-Gaussianity
• Degeneracy between primordial non-Gaussianity and interaction in the dark sector
• Cosmic Degeneracies III: N-body Simulations of Interacting Dark Energy with Non-Gaussian Initial Conditions
• fNL - gNL mixing in the matter density field at higher orders
• Simultaneous effect of Modified Gravity and Primordial Non-Gaussianity in Large Scale Structure Observations
• The HalfDome Multi-Survey Cosmological Simulations: N-body Simulations
• Constraints on primordial non-Gaussianity from Galaxy-CMB lensing cross-correlation
• Validating galaxy clustering models with Fixed & Paired and Matched-ICs simulations: application to Primordial Non-Gaussianities
• Local Scale-Dependent Non-Gaussian Curvature Perturbations at Cubic Order
• De Sitter Quantum Loops as the origin of Primordial Non-Gaussianities
• Single-Field Inflation and the Local Ansatz: Distinguishability and Consistency
• Radio-optical synergies at high redshift to constrain primordial non-Gaussianity
• An improved estimator for non-Gaussianity in cosmic microwave background observations
• Constraining primordial non-Gaussianity with cosmological weak lensing: shear and flexion
• Local observer effect on the cosmological soft theorem
• Cosmic shear statistics in cosmologies with non-Gaussian initial conditions
• PRIMUS: Clustering of Star-forming and Quiescent Central Galaxies at $0.2<z<0.9$
• The effect of primordial non-Gaussianity on the skeleton of cosmic shear maps
• Exact Modeling of Power Spectrum Multipole through Spherical Fourier-Bessel Basis
• Statistics of the excursion sets in models with local primordial non-Gaussianity
• Testing primordial non-Gaussianities on galactic scales at high redshift
• Removing Interlopers From Intensity Mapping Probes Of Primordial Non-Gaussianity
• Mild quasi-local non-Gaussianity as a signature of modified gravity during inflation
• Towards an Observational Appraisal of String Cosmology
• Flat-sky Angular Power Spectra Revisited
• The exact analytical solution of the linear structure growth rate in LCDM cosmology and its cosmological applications
• The primordial information content of Rayleigh Anisotropies
• Physics of non-Gaussian fields and the cosmological genus statistic
• Constraints on Non-Gaussianity from Sunyaev--Zeldovich Cluster Surveys
• A forecast for the detection of the power asymmetry from galaxy surveys
• Improving CMB non-Gaussianity estimators using tracers of local structure
• Science-driven 3D data compression
• Loop-Induced Stochastic Bias at Small Wavevectors
• Baryon acoustic oscillations with the cross-correlation of spectroscopic and photometric samples
• Decoupling Local Primordial non-Gaussianity from Relativistic Effects in the Galaxy Bispectrum
• Capturing primordial non-Gaussian signatures in the late Universe by multi-scale extrema of the cosmic log-density field
• Tidal shear and the consistency of microscopic Lagrangian halo approaches
• Primordial non-Gaussianity -- the effects of relativistic and wide-angle corrections to the power spectrum
• Adiabatic Media Inflation
• Higher moments of primordial non-Gaussianity and N-body simulations
• Infrared (in)sensitivity of relativistic effects in cosmological observable statistics
• Scale-dependent bias from an inflationary bispectrum: the effect of a stochastic moving barrier
• All-sky angular power spectra from cleaned WISE$\times$SuperCOSMOS galaxy number counts
• On Observables in a Dark Matter-Clustering Quintessence System
• Halo/Galaxy Bispectrum with Equilateral-type Primordial Trispectrum
• Unraveling the nature of Gravity through our clumpy Universe
• Bispectrum constraints on Primordial non-Gaussianities with the eBOSS DR16 quasars
• The spatial gauge-dependence of single-field inflationary bispectra
• Anisotropic effective redshift and evolving clustering amplitude
• Constraining equilateral-type primordial non-Gaussianities from imaging surveys
• Non-Gaussian assembly bias from a semi-analytic galaxy formation model
• Constraints on primordial non-Gaussianity using multitracer technique for skew spectrum
• Contributions from primordial non-Gaussianity and General Relativity to the galaxy power spectrum
• Primordial Non-Gaussianity from LAMOST Surveys
• Effect of Priomordial non-Gaussianities on Galaxy Clusters Scaling Relations
• A halo model of extragalactic contamination to CMB lensing, delensing, and cross-correlations
• Constraints on primordial non-Gaussianity from Quaia
• Constraining primordial non-Gaussianity by combining photometric galaxy and 21cm intensity mapping surveys
• Impact of transforming to Conformal Fermi Coordinates on Quasi-Single Field Non-Gaussianity
• Abundance of peaks and dips in three-dimensional mass and halo density fields: a test for cosmology
• Incompatibility of Standard Galaxy Bias Models in General Relativity
• Constraining $f_{NL}$ using the Large-Scale Modulation of Small-Scale Statistics
• Including relativistic and primordial Non-Gaussianity contributions in cosmological simulations by modifying the initial condition
• Position-dependent Voronoi probability distribution functions for matter and halos
• Scaling of the 1-halo terms with bias
• Topological Echoes of Primordial Physics in the Universe at Large Scales
• Projected two- and three-point statistics: Forecasts and mitigation of non-linear RSDs
• Scale-dependent halo bias and the squeezed limit bispectrum in the presence of radiation
• Neural Network Reconstruction of Non-Gaussian Initial Conditions from Dark Matter Halos
• Multi-tracing the primordial Universe with future surveys
• Separating Angular and Radial Modes with Spherical-Fourier Bessel Power Spectrum on All Scales and Implications for Systematics Mitigation
• The ergodicity bias in the observed galaxy distribution
• Linear Relativistic Corrections in the Spherical Fourier-Bessel Power Spectrum
• Simulations of cm-wavelength Sunyaev-Zel'dovich galaxy cluster and point source blind sky surveys and predictions for the RT32/OCRA-f and the Hevelius 100-m radio telescope
• The Halo Mass Function from Excursion Set Theory with a Non-Gaussian Trispectrum
• VST ATLAS Galaxy Cluster Catalogue I: cluster detection and mass calibration
• Constraining primordial non-Gaussianity from the large scale structure two-point and three-point correlation functions
• Squeezing information from radio surveys to probe the primordial Universe
• Multipoles of the galaxy bispectrum on a light cone: wide-separation and relativistic corrections
• Fisher matrix for the angular power spectrum of multi-tracer galaxy surveys
• Parity Violation in Galaxy Shapes: Primordial Non-Gaussianity
• Largest scales from the largest galaxy surveys: the pseudo Karhunen-Loève method
• Multi-wavelength spectroscopic probes: prospects for primordial non-Gaussianity and relativistic effects
• 21-cm power spectrum and ionization bias as a probe of long-mode modulated non Gaussian sky
• The Extended Zel'dovich Mass Functions of Clusters and Isolated Clusters in the Presence of Primordial Non-Gaussianity
• The large-scale monopole of the power spectrum in a Euclid-like survey: wide-angle effects, lensing, and the `finger of the observer'
• Generalized local ansatz for scale-dependent primordial non-Gaussianities and future galaxy surveys
• Measuring CMB non-Gaussianity as a probe of Inflation and Cosmic Strings
• Precision calculation of the EFT likelihood with primordial non-Gaussianities
• Squeezed bispectrum from multi-field inflation with curved field space metric
• Systematics mitigation for catalogue-based angular power spectra
• A revisited Correction to the Halo Mass Function for local-type Primordial non-Gaussianity
• Quijote PNG: The information content of the halo power spectrum and bispectrum
• Primordial non-Gaussianity systematics from redshift mismatch with SPHEREx
• Beyond the two-point correlation: constraining primordial non-gaussianity with density perturbation moments
• Void probability function in the Quijote simulations
• Clustering redshifts with the 21cm-galaxy cross-bispectrum
• The Kaiser-Rocket effect: three decades and counting
• Non-Gaussianity in the Squeezed Three-Point Correlation from the Relativistic Effects
• Enhancing Bispectrum Estimators for Galaxy Redshift Surveys with Velocities
• Constraining effective neutrino species with bispectrum of large scale structures