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N-body simulations for ƒ (R) gravity using a self-adaptive particle-mesh code

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N-body simulations for ƒ (R) gravity using a self-adaptive particle-mesh code. / Zhao, Gong-Bo; Li, B.; Koyama, Kazuya.

In: Physical Review D, Vol. 83, No. 4, 02.02.2011, p. 044007.

Research output: Contribution to journalArticlepeer-review

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Zhao, Gong-Bo ; Li, B. ; Koyama, Kazuya. / N-body simulations for ƒ (R) gravity using a self-adaptive particle-mesh code. In: Physical Review D. 2011 ; Vol. 83, No. 4. pp. 044007.

Bibtex

@article{d9d1ea1abda64544bffe215092e8e008,
title = "N-body simulations for ƒ (R) gravity using a self-adaptive particle-mesh code",
abstract = "We perform high-resolution N-body simulations for f(R) gravity based on a self-adaptive particle-mesh code MLAPM. The chameleon mechanism that recovers general relativity on small scales is fully taken into account by self-consistently solving the nonlinear equation for the scalar field. We independently confirm the previous simulation results, including the matter power spectrum, halo mass function, and density profiles, obtained by Oyaizu et al. [Phys. Rev. D 78, 123524 (2008)] and Schmidt et al. [Phys. Rev. D 79, 083518 (2009)], and extend the resolution up to k∼20  h/Mpc for the measurement of the matter power spectrum. Based on our simulation results, we discuss how the chameleon mechanism affects the clustering of dark matter and halos on full nonlinear scales.",
author = "Gong-Bo Zhao and B. Li and Kazuya Koyama",
year = "2011",
month = feb,
day = "2",
doi = "10.1103/PhysRevD.83.044007",
language = "English",
volume = "83",
pages = "044007",
journal = "Physical Review D",
issn = "1550-7998",
publisher = "American Institute of Physics Publising LLC",
number = "4",

}

RIS

TY - JOUR

T1 - N-body simulations for ƒ (R) gravity using a self-adaptive particle-mesh code

AU - Zhao, Gong-Bo

AU - Li, B.

AU - Koyama, Kazuya

PY - 2011/2/2

Y1 - 2011/2/2

N2 - We perform high-resolution N-body simulations for f(R) gravity based on a self-adaptive particle-mesh code MLAPM. The chameleon mechanism that recovers general relativity on small scales is fully taken into account by self-consistently solving the nonlinear equation for the scalar field. We independently confirm the previous simulation results, including the matter power spectrum, halo mass function, and density profiles, obtained by Oyaizu et al. [Phys. Rev. D 78, 123524 (2008)] and Schmidt et al. [Phys. Rev. D 79, 083518 (2009)], and extend the resolution up to k∼20  h/Mpc for the measurement of the matter power spectrum. Based on our simulation results, we discuss how the chameleon mechanism affects the clustering of dark matter and halos on full nonlinear scales.

AB - We perform high-resolution N-body simulations for f(R) gravity based on a self-adaptive particle-mesh code MLAPM. The chameleon mechanism that recovers general relativity on small scales is fully taken into account by self-consistently solving the nonlinear equation for the scalar field. We independently confirm the previous simulation results, including the matter power spectrum, halo mass function, and density profiles, obtained by Oyaizu et al. [Phys. Rev. D 78, 123524 (2008)] and Schmidt et al. [Phys. Rev. D 79, 083518 (2009)], and extend the resolution up to k∼20  h/Mpc for the measurement of the matter power spectrum. Based on our simulation results, we discuss how the chameleon mechanism affects the clustering of dark matter and halos on full nonlinear scales.

U2 - 10.1103/PhysRevD.83.044007

DO - 10.1103/PhysRevD.83.044007

M3 - Article

VL - 83

SP - 044007

JO - Physical Review D

JF - Physical Review D

SN - 1550-7998

IS - 4

ER -

ID: 59114