An improved fitting formula for the dark matter bispectrum

Details An improved fitting formula for the dark matter bispectrum An improved fitting formula for the dark matter bispectrum

2011-11-18

arxiv.org/abs/1111.4477v2

Journal of Cosmology and Astroparticle Physics, Issue 02, pp. 047 (2012)

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

16 pages, 5 figures. Published in JCAP

Scientific paper

10.1088/1475-7516/2012/02/047

In this paper we present an improved fitting formula for the dark matter bispectrum motivated by the previous phenomenological approach of Scoccimarro & Couchman (2001). We use a set of LCDM simulations to calibrate the fitting parameters in the k-range of 0.03 h/Mpc

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