The cosmology dependence of galaxy clustering and lensing from a hybrid $N$-body-perturbation theory model

Abstract

We implement a model for the two-point statistics of biased tracers that combines dark matter dynamics from $N$-body simulations with an analytic Lagrangian bias expansion. Using Aemulus, a suite of $N$-body simulations built for emulation of cosmological observables, we emulate the cosmology dependence of these nonlinear spectra from redshifts $z=0$ to $z=2$. We quantify the accuracy of our emulation procedure, which is sub-per cent at $k=1h{\mathrm{Mpc}}^{-1}$ for the redshifts probed by upcoming surveys and improves at higher redshifts. We demonstrate its ability to describe the statistics of complex tracer samples, including those with assembly bias and baryonic effects, reliably fitting the clustering and lensing statistics of such samples at redshift $z\simeq 0.4$ to scales of $k_{\max }\approx 0.6h{\mathrm{Mpc}}^{-1}$. We show that the emulator can be used for unbiased cosmological parameter inference in simulated joint clustering and galaxy--galaxy lensing analyses with data drawn from an independent $N$-body simulation. These results indicate that our emulator is a promising tool that can be readily applied to the analysis of current and upcoming datasets from galaxy surveys.

19 pages, 17 figures. Updated to reflect the journal version. Code available at https://github.com/kokron/anzu

References in corpus (31)

• Array Programming with NumPy
• Transients from Initial Conditions in Cosmological Simulations
• The Effective Field Theory of Cosmological Large Scale Structures
• Galaxy Evolution from Halo Occupation Distribution Modeling of DEEP2 and SDSS Galaxy Clustering
• Clustering of dark matter tracers: generalizing bias for the coming era of precision LSS
• Constraining Early Dark Energy with Large-Scale Structure
• Cosmology with the SPHEREX All-Sky Spectral Survey
• Modelling baryonic feedback for survey cosmology
• Consistent Modeling of Velocity Statistics and Redshift-Space Distortions in One-Loop Perturbation Theory
• Analytic Prediction of Baryonic Effects from the EFT of Large Scale Structures
• The Gaussian streaming model and Lagrangian effective field theory
• Accurate initial conditions for cosmological N-body simulations: Minimizing truncation and discreteness errors
• Cross-correlation between the CMB lensing potential measured by Planck and high-z sub-mm galaxies detected by the Herschel-ATLAS survey
• Spatial Clustering of Dark Matter Halos: Secondary Bias, Neighbor Bias, and the Influence of Massive Neighbors on Halo Properties
• Simulations and symmetries
• Modeling Galaxies in Redshift Space at the Field Level
• Perturbative approach to covariance matrix of the matter power spectrum
• How Biased Are Halo Properties in Cosmological Simulations?
• CARPool: fast, accurate computation of large-scale structure statistics by pairing costly and cheap cosmological simulations
• The Effective Field Theory of Large-Scale Structure in the presence of Massive Neutrinos
• Testing gravity on large scales by combining weak lensing with galaxy clustering using CFHTLenS and BOSS CMASS
• Modeling CMB Lensing Cross Correlations with {\sc CLEFT}
• A Lagrangian Perturbation Theory in the presence of massive neutrinos
• The characteristic halo masses of half-a-million WISE-selected quasars
• Perturbative description of bias tracers using consistency relations of LSS
• Cosmological N-Body simulation: Techniques, Scope and Status
• WFIRST: The Essential Cosmology Space Observatory for the Coming Decade
• Testing General Relativity on cosmological scales at redshift z ~ 1.5 with quasar and CMB lensing
• Modeling features in the redshift-space halo power spectrum with perturbation theory
• Quantifying resolution in cosmological N-body simulations using self-similarity
• Redshift space power spectrum beyond Einstein-de Sitter kernels

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