COLA with scale-dependent growth: applications to screened modified gravity models

Abstract

We present a general parallelized and easy-to-use code to perform numerical simulations of structure formation using the COLA (COmoving Lagrangian Acceleration) method for cosmological models that exhibit scale-dependent growth at the level of first and second order Lagrangian perturbation theory. For modified gravity theories we also include screening using a fast approximate method that covers all the main examples of screening mechanisms in the literature. We test the code by comparing it to full simulations of two popular modified gravity models, namely $f(R)$ gravity and nDGP, and find good agreement in the modified gravity boost-factors relative to $\Lambda$CDM even when using a fairly small number of COLA time steps.

31 pages, 11 figures. The code can be found at https://github.com/HAWinther/MG-PICOLA-PUBLIC

References in corpus (21)

• The Confrontation between General Relativity and Experiment
• Models of f(R) Cosmic Acceleration that Evade Solar-System Tests
• The DESI Experiment Part I: Science,Targeting, and Survey Design
• Wide-Field InfrarRed Survey Telescope-Astrophysics Focused Telescope Assets WFIRST-AFTA 2015 Report
• Evading Equivalence Principle Violations, Cosmological and other Experimental Constraints in Scalar Field Theories with a Strong Coupling to Matter
• Environmental Dependence of Masses and Coupling Constants
• Non-linear Evolution of f(R) Cosmologies III: Halo Statistics
• Non-linear evolution of f(R) cosmologies II: power spectrum
• N-body Simulations for f(R) Gravity using a Self-adaptive Particle-Mesh Code
• Non-linear evolution of f(R) cosmologies I: methodology
• N-Body Simulations of DGP and Degravitation Theories
• nIFTy Cosmology: Galaxy/halo mock catalogue comparison project on clustering statistics
• Theories of Dark Energy with Screening Mechanisms
• Bayesian analysis of the dynamic cosmic web in the SDSS galaxy survey
• Efficient simulations of large scale structure in modified gravity cosmologies with comoving Lagrangian acceleration
• Speeding up $N$-body simulations of modified gravity: Chameleon screening models
• A Fast Route to Non-Linear Clustering Statistics in Modified Gravity Theories
• Theoretical Accuracy in Cosmological Growth Estimation
• sCOLA: The N-body COLA Method Extended to the Spatial Domain
• Simulating cosmologies beyond $\Lambda$CDM with PINOCCHIO
• Testing approximate predictions of displacements of cosmological dark matter halos

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