Large-scale assembly bias of dark matter halos

Abstract

We present precise measurements of the assembly bias of dark matter halos, i.e. the dependence of halo bias on other properties than the mass, using curved "separate universe" N-body simulations which effectively incorporate an infinite-wavelength matter overdensity into the background density. This method measures the LIMD (local-in-matter-density) bias parameters $b_n$ in the large-scale limit. We focus on the dependence of the first two Eulerian biases $b_1^E$ and $b_2^E$ on four halo properties: the concentration, spin, mass accretion rate, and ellipticity. We quantitatively compare our results with previous works in which assembly bias was measured on fairly small scales. Despite this difference, our findings are in good agreement with previous results. We also look at the joint dependence of bias on two halo properties in addition to the mass. Finally, using the excursion set peaks model, we attempt to shed new insights on how assembly bias arises in this analytical model.

30 pages, 21 figures ; v2 : added references (sec. 1, 5), clarifications throughout ; v3 : clarifications throughout, version accepted by JCAP

References in corpus (10)

• Assembly bias in the clustering of dark matter haloes
• Halo assembly bias and its effects on galaxy clustering
• The Excursion Set Theory of Halo Mass Functions, Halo Clustering, and Halo Growth
• The dependence of dark halo clustering on the formation epoch and the concentration parameter
• Separate Universe Simulations
• The assembly bias of dark matter haloes to higher orders
• Effects of shear and rotation on the spherical collapse model for clustering dark energy
• Properties of Dark Matter Halos as a Function of Local Environment Density
• Halo assembly bias from Separate Universe simulations
• Excursion set peaks: the role of shear

Cited by in corpus (55)

• Large-scale dark matter simulations
• The Impact of Assembly Bias on the Galaxy Content of Dark Matter Halos
• Beyond Assembly Bias: Exploring Secondary Halo Biases for Cluster-size Haloes
• Halo assembly bias and the tidal anisotropy of the local halo environment
• Galaxy orientation with the cosmic web across cosmic time
• How does the cosmic web impact assembly bias?
• Spatial Clustering of Dark Matter Halos: Secondary Bias, Neighbor Bias, and the Influence of Massive Neighbors on Halo Properties
• Cosmic web anisotropy is the primary indicator of halo assembly bias
• Galaxies flowing in the oriented saddle frame of the cosmic web
• The multidimensional dependence of halo bias in the eye of a machine: a tale of halo structure, assembly and environment
• Responses in Large-Scale Structure
• The manifestation of secondary halo bias on the galaxy population from IllustrisTNG300
• On the influence of halo mass accretion history on galaxy properties and assembly bias
• Assembly bias in the local PNG halo bias and its implication for $f_{\mathrm{NL}}$ constraints
• The Secondary Spin Bias of Dark Matter Haloes
• Relating the structure of dark matter halos to their assembly and environment
• Priors on Lagrangian bias parameters from galaxy formation modelling
• Response Approach to the Matter Power Spectrum Covariance
• Cosmology with Stacked Cluster Weak Lensing and Cluster-Galaxy Cross-Correlations
• The physical origins of low-mass spin bias
• On the prospect of using the maximum circular velocity of halos to encapsulate assembly bias in the galaxy-halo connection
• Halo assembly bias from Separate Universe simulations
• The galaxy size - halo mass scaling relations and clustering properties of central and satellite galaxies
• Anisotropic halo assembly bias and redshift-space distortions
• Responses of Halo Occupation Distributions: a new ingredient in the halo model & the impact on galaxy bias
• Observational Measures of Halo Properties Beyond Mass
• Taming assembly bias for primordial non-Gaussianity
• One simulation to have them all: performance of the Bias Assignment Method against N-body simulations
• The cosmic web connection to the dark matter halo distribution through gravity
• Halo assembly bias from a deep learning model of halo formation
• On the kinetic Sunyaev-Zel'dovich effect as an observational probe for halo spin bias
• Measurement of Void Bias Using Separate Universe Simulations
• Excursion set peaks in energy as a model for haloes
• Separate Universe calibration of the dependence of halo bias on cosmic web anisotropy
• Probing gravity with redshift-space distortions: effects of tracer bias and sample selection
• Mock halo catalogs: assigning unresolved halo properties using correlations with local halo environment
• Bayesian framework to infer the Hubble constant from the cross-correlation of individual gravitational wave events with galaxies
• The Tessellation-Level-Tree: characterising the nested hierarchy of density peaks and their spatial distribution in cosmological N-body simulations
• The Ultramarine Simulation: properties of dark matter haloes before redshift 5.5
• Gas accretion and Ram Pressure Stripping of Haloes in Void Walls
• Consistency relations for the Lagrangian halo bias and their implications
• New insight into the variability of the Be star $\pi$ Aquarii: Determination of stellar and disk parameters
• Exploring the physical origins of halo assembly bias from early times
• Characterizing the assembly of dark matter halos with protohalo size histories: I. Redshift evolution, relation to descendant halos, and halo assembly bias
• Secondary halo bias through cosmic time II: Reconstructing halo properties using clustering information
• Evaluating the origins of the secondary bias based on the correlation of halo properties with the linear density field
• Mass accretion rates and multi-scale halo environment in cold and warm dark matter cosmologies
• How do uncertainties in galaxy formation physics impact field-level galaxy bias?
• Impact of cosmic web on the properties of galaxies in IllustrisTNG simulations
• Assembly bias in quadratic bias parameters of dark matter halos from forward modeling
• Towards an Observational Detection of Halo Spin Bias using Spin-Orbit Coherence
• Individual halo bias in models of $f(R)$ gravity
• On the Assembly Bias of Cool Core Clusters Traced by H$\alpha$ Nebulae
• The multi-dimensional halo assembly bias can be preserved when enhancing halo properties with HALOSCOPE
• The role of energy shear in the collapse of protohaloes