A fitting formula for the non-linear evolution of the bispectrum

Román Scoccimarro; H. M.P. Couchman

doi:10.1046/j.1365-8711.2001.04281.x

A fitting formula for the non-linear evolution of the bispectrum

Román Scoccimarro, H. M.P. Couchman

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Abstract

We present a fitting formula for the non-linear evolution of the bispectrum in cold dark matter (CDM) models, obtained from measurements in high-resolution numerical simulations. The formula interpolates between the perturbative and highly non-linear regimes, and generalizes previous results obtained for scale-free initial conditions.

Original language	English (US)
Pages (from-to)	1312-1316
Number of pages	5
Journal	Monthly Notices of the Royal Astronomical Society
Volume	325
Issue number	4
DOIs	https://doi.org/10.1046/j.1365-8711.2001.04281.x
State	Published - Aug 21 2001

Keywords

Large-scale structure of Universe
Methods: numerical

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1046/j.1365-8711.2001.04281.x

Cite this

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abstract = "We present a fitting formula for the non-linear evolution of the bispectrum in cold dark matter (CDM) models, obtained from measurements in high-resolution numerical simulations. The formula interpolates between the perturbative and highly non-linear regimes, and generalizes previous results obtained for scale-free initial conditions.",

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AB - We present a fitting formula for the non-linear evolution of the bispectrum in cold dark matter (CDM) models, obtained from measurements in high-resolution numerical simulations. The formula interpolates between the perturbative and highly non-linear regimes, and generalizes previous results obtained for scale-free initial conditions.

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KW - Methods: numerical

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A fitting formula for the non-linear evolution of the bispectrum

Abstract

Keywords

ASJC Scopus subject areas

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