Scale-dependent bias from primordial non-Gaussianity with trispectrum

Jinn Ouk Gong; Shuichiro Yokoyama

doi:10.1111/j.1745-3933.2011.01124.x

Scale-dependent bias from primordial non-Gaussianity with trispectrum

Jinn Ouk Gong, Shuichiro Yokoyama

Department of Science Education

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

We study the scale-dependent bias of the halo power spectrum arising from primordial non-Gaussianity. We present an analytic result of the halo bias including up to the trispectrum contributions. We find that the scale-dependent bias opens a new possibility of probing the relation between the non-linearity parametersf_NL and τ_NL.

Original language	English
Pages (from-to)	L79-L82
Journal	Monthly Notices of the Royal Astronomical Society: Letters
Volume	417
Issue number	1
DOIs	https://doi.org/10.1111/j.1745-3933.2011.01124.x
State	Published - Oct 2011

Keywords

Cosmology: theory
Galaxies: haloes
Large-scale structure of Universe

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10.1111/j.1745-3933.2011.01124.x

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AB - We study the scale-dependent bias of the halo power spectrum arising from primordial non-Gaussianity. We present an analytic result of the halo bias including up to the trispectrum contributions. We find that the scale-dependent bias opens a new possibility of probing the relation between the non-linearity parametersfNL and τNL.

KW - Cosmology: theory

KW - Galaxies: haloes

KW - Large-scale structure of Universe

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Scale-dependent bias from primordial non-Gaussianity with trispectrum

Abstract

Keywords

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